Package: 82293-00B Release Date: January, 1997 AirLink Pro T1/E1 Rack Mount I n s t a l l e r ’ s CYLINK CORPORATION 910 Hermosa Court Sunnyvale, California 94086, USA 1-408-735-5800 CYLINK LIMITED U.K.
COPYRIGHT © 1994 - 1997 Cylink Corporation World Rights Reserved. Cylink Corporation provides this Manual “as is,” without warranty of any kind, either express or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Cylink Corporation may make improvements and changes to the product described in this Manual at any time and without any notice.
LITHIUM BATTERY The digital module in the AirLink Pro T1/E1 Rack Mount contains a lithium battery molded into the real-time clock component. The lithium battery is NOT a customer-replaceable part. The lithium battery could explode if mistreated. Do not attempt to expose the battery by opening the real-time clock component. Do not attempt to recharge the battery. Do not dispose of the component by fire.
STATEMENT OF WARRANTY CYLINK products, except as stated otherwise in an applicable price list, are warranted against defects in workmanship and material for a period of one (1) year from date of delivery as evidenced by CYLINK’s packing slip or other transportation receipt.
Table of Contents Preface .........................................................................................................ix Who Should Read This Guide................................................................. x Prerequisite Knowledge .......................................................................... x Guide Organization ................................................................................ x Guide Conventions ................................................................
Preparing a Place..................................................................................2-4 General Physical and Environmental Characteristics.......................2-5 Lightning Protection........................................................................2-5 Rack Mounting............................................................................... 2-5 Power and Grounding Requirements................................................. 2-5 Setting Up the System................................
Setting Alarm Control Parameters.......................................................3-18 Alarm Reporting .......................................................................... 3-18 Alarm Level ................................................................................. 3-19 1-Hour Errored Seconds Threshold ................................................ 3-20 1-Hour Unavailable Seconds Threshold ........................................ 3-20 24-Hour Errored Seconds Threshold .....................
Diagnostic Tools..................................................................................4-13 Radio QRSS Testing ..................................................................... 4-13 Loopback Tests ............................................................................. 4-15 Rack Mount Unit Working with Ruggedized Unit ................................4-22 Features of Various Units ..............................................................4-23 Appendix A: Messages .....................
List of Figures F igure Rev. B - 1/97 P age N um ber Figure 1-1 AirLink Pro T1/E1 Rack Mount Unit .................................1-2 Figure 1-2 Typical AirLink Pro T1/E1 Rack Mount Operating Environment....................................................1-4 Figure 1-3 A Point-to-Point Backup Link.......................................... 1-6 Figure 1-4 Block Diagram of the AirLink Pro T1/E1 Rack Mount........1-8 Figure 2-1 AirLink Pro T1/E1 Rack Mount Front Panel........................
x Figure 4-7 AirLink Pro T1/E1 Rack Mount in Normal Operation ......4-17 Figure 4-8 AirLink Pro T1/E1 Rack Mount in Local Loop Test, Near End..............................................4-18 Figure 4-9 AirLink Pro T1/E1 Rack Mount in Remote Loop Test, Near End...........................................4-19 Figure 4-10 AirLink Pro T1/E1 Rack Mount in Local Loop Test, Far End................................................4-20 Figure 4-11 AirLink Pro T1/E1 Rack Mount in Remote Loop Test, Far End...
PREFACE About This Guide The AirLink Pro T1/E1 Rack Mount Installer’s Guide covers the information needed to unpack, install, configure, and operate the AirLink Pro T1 or the Airlink Pro E1 system. Begin by reading this preface for more information about how this guide supports your use of the AirLink Pro T1/E1 Rack Mount system. Inside this chapter: Who Should Read This Manual...............................................xiii Prerequisite Knowledge .......................................................
AirLink Pro T1/E1 Rack Mount Installer’s Guide About This Guide Who Should Read This Manual This is an installation guide for persons who must perform or coordinate the tasks associated with unpacking and installing the AirLink Pro T1/E1 Rack Mount. Prerequisite Knowledge Throughout this guide are explanations and procedures that presume working familiarity with basic telephone trunking and transmission concepts and practices, as well as basic digital data communications concepts and practices.
AirLink Pro T1/E1 Rack Mount Installer’s Guide About This Manual The guide is divided into the following sections: Guide Section Description Chapter 1: Product Description Describes the features and capabilities of the AirLink Pro T1/E1 system. Chapter 2: Installation and SystemAdministration Outlines the procedures for unpacking and installing the AirLink Pro T1/E1 Rack Mount system hardware, connecting the antenna, and performing initial operation checks.
AirLink Pro T1/E1 Rack Mount Installer’s Guide About This Guide Typographic Conventions ❚ Terminal displays are shown as text in the Courier font: AIRLINK PRO T1> get configuration Site Name: Sunnyvale 2 Application: Burst Mode: Coding: Equalization: PN Code: RF Power: 6.
AirLink Pro T1/E1 Rack Mount Installer’s Guide About This Manual WARNING These notes warn you of situations that could endanger your personal health if you do not heed the instructions. Customer Support If after reading this guide you encounter any trouble installing or using the AirLink Pro T1/E1 Rack Mount, please contact your local distributor. If problems are not resolved, you can call Cylink’s Customer Service for assistance.
AirLink Pro T1/E1 Rack Mount Installer’s Guide About This Guide Return all equipment to: Cylink Corporation 1350 Bordeaux Drive Sunnyvale, CA 94089 Attn: Repair and Return Department RMA No: xxxxxxxxxx Reader Response Cylink’s Technical Publications Department wants its documents to meet your requirements. To this end, your ideas about the documentation are valuable.
CHAPTER 1 Product Description This chapter introduces the AirLink Pro T1/E1 Rack Mount and provides an overview of the features and capabilities. Inside this chapter: Introduction to the AirLink Pro T1/E1 Rack Mount ...........................................................1-2 Features and Capabilities ...................................................1-3 Rev.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Product Description Introduction to the AirLink Pro T1/E1 Rack Mount The AirLink Pro T1 and the AirLink Pro E1 systems are spread-spectrum transceivers that operate in the license-free 5.725 to 5.850 GHz (C-band) Industrial Scientific Medical (ISM) band. The AirLink Pro T1/E1 Rack Mount uses a Spread Spectrum modulation technique to create a high-quality, pointto-point radio link between itself and another AirLink Pro T1/E1 Rack Mount located many miles away.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Product Description Features and Capabilities The AirLink Pro T1/E1 Rack Mount supports a range of sophisticated control capabilities and options, including: ❚ Remote control of far-end ❚ Built-In Testing Equipment (BITE) ❚ Flexible, interactive user interface through an ASCII terminal ❚ Easily modified configuration parameters ❚ Local and remote monitoring, diagnostic, and maintenance capabilities ❚ Separate end-to-end communication channel for con
AirLink Pro T1/E1 Rack Mount Installer’s Guide Product Description Figure 1-2 Typical AirLink Pro T1/E1 Rack Mount Operating Environment The AirLink Pro T1/E1 Rack Mount link is effectively transparent to the T1/E1 equipment on either end: ❚ Accepts T1/E1 as input ❚ Presents T1/E1 as output AirLink Pro T1 operation is independent of the protocol used, so the AirLink Pro T1 supports both the Bipolar with Eight-Zero Substitution (B8ZS) and the Alternate Mark Inversion (AMI) coding formats.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Product Description Buffering is only a few milliseconds, so no perceptable degradation occurs to voice or data communications. AirLink Pro T1/E1 Rack Mount Antenna The antenna is usually a two-foot or four-foot solid-parabolic dish for the 5.7 GHz C-band, with a narrow beam and high gain. For other kinds of antennas, contact your distributor.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Product Description AirLink Pro T1/E1 Rack Mount and are entered in the event queue. To report alarms, attach a modem and dial-out to the maintenance center. Using the terminal user interface, query either the local AirLink Pro T1/E1 Rack Mount or the remote AirLink Pro T1/E1 Rack Mount for status, performance and alarm information, and make configuration changes for either the local or remote end of the link.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Product Description Mount units. The AirLink Pro T1/E1 Rack Mount pair switch the protected T1/E1 line to provide a protected bypass T1/E1 path. The backup switch can be opened or closed by an external switch or relay wired to the CSU SEL connector on the rear panel of the AirLink Pro T1/E1 Rack Mount. Alarm Relay Contacts Major and minor alarm contacts are built into the AirLink Pro T1/E1 Rack Mount.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Product Description Figure 1-4 Block Diagram of the AirLink Pro T1/E1 Rack Mount 1-8 Rev.
CHAPTER 2 Installation and System Administration This chapter outlines general planning and the procedures for unpacking, and installing the AirLink Pro T1/E1 Rack Mount hardware, connecting cables, and performing power-up checks. This chapter also contains important instructions regarding safety in setting up the AirLink Pro T1/E1 Rack Mount system. Inside this chapter: Overview ................................................................................ 2-2 Unpacking .................................
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration Overview This chapter discusses the general technical requirements of antenna and RF transmission line installation,and focuses on the task of installing the AirLink Pro T1/E1 Rack Mount system at each end of the communication link, integrating all of the equipment, and performing a system check and alignment before turning the system over to normal customer traffic.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration Identifying Physical Features Figure 2-1 AirLink Pro T1/E1 Rack Mount Front Panel Front Panel The AirLink Pro T1/E1 Rack Mount front panel (Figure 2-1) consists of a metal panel that contains five status and alarm LEDs identified with graphical icons and two RJ-11 jacks.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration Table 2-1 AirLink Pro T1/E1 Rack Mount Rear-Panel Connectors Connector Type Function Network Management 9-Pin Male Subminiature D Connects a modem to the AirLink Pro T1/E1. Terminal RJ - 11 Terminal connection CSU 6-Pin Captive Wire Terminal Block Connects the T1/E1 Line from an external device such as a CSU. Used for wire line backup only.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration General Physical and Environmental Characteristics The AirLink Pro T1/E1 Rack Mount radio unit measures approximately 17 inches wide, 3 inches high, and 10 inches deep, and weighs approximately 10 pounds. Lightning Protection The AirLink Pro T1/E1 Rack Mount is provided with secondary protection on all signal leads to the printed circuit assemblies in the unit.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration NOTE No internal fusing is provided, because to do so would violate the specifications of UL1459 section 70. (No fusing is allowed in the grounded side of a DC input circuit unless the hot side is also fused.) When the fuse in the hot side blows, the fuse in the grounded input must also blow. Since this equipment accepts either polarity, external circuit protection must be provided in the hot side of the feeder circuit.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration Figure 2-3 Typical Antenna Mounts Rev.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration System Grounding Direct grounding of the antenna, mast, and tower provides some protection against lightning strikes and static buildup. A direct electrical connection should be made to a suitable grounding rod at the base of the tower or mast using at least # 10 AWG ground wire, or its equivalent, and non-corrosive hardware. For details and safety standards, consult the appropriate electrical code or a similar document.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration Rev.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration The AirLink Pro T1/E1 Rack Mount can be installed into a standard 19-inch or 23-inch equipment rack using the rack-mount hardware included with the unit. It requires 4U (7.0”) of rack mounting space, of which 1U space above and below the unit is necessary for proper ventilation. Two standard blank panels can be used over the openings. To mount the AirLink Pro T1/E1 Rack Mount in an equipment rack: 1.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration Figure 2-4 23” Rack Mount Connecting the Antenna Cable To connect the antenna cable to the AirLink Pro T1/E1: Rev. B - 1/97 1. Locate the N-type connector on the rear panel of the AirLink Pro T1/E1 Rack Mount (see Figure 2-2). 2. Plug the RF cable connector firmly into the N-type jack connector and handtighten the cable connector shell onto the jack connector collar. 3.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration T1 DTE Line Connection To connect the T1 line cable to the DTE: 1. Locate the DTE terminal block on the Airlink Pro T1/E1 Rack Mount rear panel (see Figure 2-2). 2. Prepare the cable wire so that individual leads are separate. Strip a small portion of insulation off each wire lead. 3. With the help of a screw driver, push back one of the plastic levers located on the terminal block.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration Belden Part No. 8729 (UL Rating CMP (Plenum)) Individually shielded twisted pairs. Berk-Tek Part No. 230249 (Plenum) Berk-Tek Part No. 230131 (Non Plenum) These cables have an overall foil shield. The recommended E1 cable: The E1 signal can be either unbalanced, in which case the coaxial cables listed can be used or it can be unbalanced, in which case the balanced twisted pair cables can be used. 4.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration Figure 2-5 Alarm Relay Contacts The major and minor alarm contacts built into the AirLink Pro T1 are SPDT relay contacts rated at 8 VA (0.25 A maximum at 100 VDC maximum) isolated from the ground. The alarm relays are de-energized when the AirLink Pro T1/E1 Rack Mount is in an alarm state: the NO contact is closed; the NC contact is open.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration terminal device can be “shared” across all the AirLink Pro T1 systems by a terminal switching device. A terminal device or a personal computer can have specific data cabling requirements (refer to Appendix B, Specifications, for connector pin assignments), and usually requires a grounded alternating current power outlet.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration Figure 2-7 Modem Connection to the AirLink Pro T1/E1 Rack Mount Order Wire Connection The Order Wire interface is a 64 kbps pulse modulation (PCM) voice communication channel. This part of the AirLink Pro T1/E1 Rack Mount RF protocol does not use any part of the 1.544 Mbps T1 channel or the 2.048 Mbps E1 channel. The Order Wire interface meets V.21 and V.32 modem specifications.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration Figure 2-8 Two-Wire Order Wire Connection Order Wire communication can only occur when there is an active radio link between the local and remote AirLink Pro T1/E1 Rack Mount units and the RSQ is 6 or higher. Communication across the order wire interface is initiated by picking up the telephone at either end of the link. When the RSQ is below 6, the AirLink Pro T1/E1 Rack Mount software mutes the order wire.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration Figure 2-9 Four-Wire Order Wire Connection CAUTION 2-18 The order wire interface must not be connected directly to the Public Switched Telecommunications Network. Rev.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration External Power Supply Connection Figure 2-10 ELPAC Power Supply For the ELPAC Power Supply Rev. B - 1/97 1. Locate the Power terminal block on the unit’s rear panel and insert the red wire of the power supply into the +V spring pin connector of the terminal block. 2. Insert the white wire into the -V spring pin connector of the terminal block. 3. Ensure that the two wires are securely held by the connectors.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration Figure 2-11 FORTRON Power Supply For the FORTRON Power Supply 1. Locate the Power terminal block on the rear panel of the unit and insert the brown wire of the power supply into the +V of the terminal block. 2. Insert the black wire into the -V spring pin connector of the terminal block. 3. Ensure that the two wires are securely held by the connectors.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration Figure 2-12 Burst Sync Wiring Terminating the Burst Sync Bus The burst sync bus is terminated by inserting a short jumper wire in the TERM A and TERM B locations as defined by the rear panel labels.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration In a new hub installation, the units at the hub must all be masters, and the corresponding remote units must be slaves. At a hub, set up each individual link first as a point-to-point link and then align each link separately with all the other AirLink Pro T1/E1 Rack Mount units turned off.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration Equalization: PN Code: RF Power: 0 - 133 feet 1 10 dBm Alarm Reporting: Immediate Alarm Level: Status Date/Time: May 1 1996 10:35:00 NOTE You might need to alter more configuration values in order to ensure correct operation, during your AirLink Pro T1/E1 Rack Mount installation. Refer to Chapter 3 for more information on configuring the AirLink Pro T1/E1 Rack Mount.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration Figure 2-13 Test Point Locations 2. Swing the antennas on both ends of the link horizontally and vertically (but not at the same time!) until the observed voltage peaks. Swing the antennas through the main lobe and both side lobes to check that the antenna is aligned on the main lobe and not one of the side lobes.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Installation and System Administration The system displays a list of status information similar to the following: AIRLINK PRO T1/E1> query status Site Name: Sunnyvale 2 DTE Loss: Radio Sync Loss: Burst Sync Loss: Test in Progress: DTE AIS: RF AIS: Tx Fail: Rx Power: Tx Power: Temperature: 4. NO NO N/A FE Radio Remote Loop OFF OFF NO -60.5 dBm 12.
CHAPTER 3 Configuration This chapter describes how to use the AirLink Pro T1/E1 Rack Mount command-line terminal user interface to set and change configuration parameters. The information in this chapter includes descriptions of all the AirLink Pro T1/E1 Rack Mount configuration commands and options, and lists the default configuration settings. Inside this chapter: Overview ................................................................................ 3-2 Using the ASCII Terminal Interface .............
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Overview To configure the AirLink Pro T1/E1 Rack Mount, connect an ASCII terminal or a personal computer to the Terminal port of the AirLink Pro T1/E1 Rack Mount. The AirLink Pro T1/E1 Rack Mount ASCII terminal interface provides a command-line interface for manipulating the operation of the AirLink Pro T1/E1 Rack Mount, including configuring operational parameters, monitoring operation, and responding to alarm conditions.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Transmit Rate = 19200, 9600, 4800, 2400, or 1200 bps Auto Answerback = OFF Comm = FDX (No Echo) RS232 Data Leads Only (RxD and TxD) Local Echo = OFF To connect the terminal, follow these steps: 1. Connect the terminal (or a computer in terminal emulation mode) to the Terminal port with the EIA/TIA-232 cable as described in Chapter 2. 2. Turn on the terminal; adjust the contrast and brightness as required.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Command-Line Format The general syntax of a command line consists of a basic command keyword followed by additional keywords and operands that qualify the command keyword: BASIC_KEYWORD KEYWORD_1 … KEYWORD_n operand; comment The command-line format and syntax is based upon the following : ❚ Separators: Each keyword or operand must be separated by a separator character—a space or a TAB character.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration ❚ Choosing from a range of numbers: The notation {n1 .. n2} indicates that you can specify a number within the range of numbers shown in the active command context, for example, given the range {0 .. 24}, you would specify a single number from 0 to 24. ❚ Special keystroke sequences: Press +R to repeat the previous command. Press to clear the command line and start a new command.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration AIRLINK PRO T1/E1> set site name name where name is any convenient description of up to 60 alphanumeric characters.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration For example, to set the time of the local AirLink Pro T1/E1 Rack Mount, type the following command at the AirLink Pro T1/E1 Rack Mount prompt: AIRLINK PRO T1/E1> set time 10:35:00 To set the time of the remote unit, use the command: AIRLINK PRO T1/E1> remote set time time For outdoor use, print (AU) in the Site name when the Access Unit is installed.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration instance of the new password, the new password is accepted. A password can be any convenient combination of up to 16 alphanumeric characters. For example, the local AirLink Pro T1/E1 Rack Mount is new and currently has no password.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration T1 Equalization The length in feet from the DSX point. To set the equalization for the local unit, type the following command at the AirLink Pro T1 prompt: AIRLINK PRO T1/E1> set equalization operand where operand is one of the following: 0, 133, 266, 399, or 533. If you do not specify a value, the system assumes the default value: 0.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Setting Link Parameters The AirLink Pro T1/E1 Rack Mount Link parameters include the following: ❚ Application ❚ Burst Mode ❚ PN Code ❚ RF Power ❚ Order Wire Type ❚ Interface Type (E1 only) Depending upon your application, you will need to set or change values for one or more of these configuration parameters. NOTE These are service-affecting configuration parameters.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration 8. Backup Master at a hub To set the application for the local AirLink Pro T1/E1 Rack Mount, type the following command at the AirLink Pro T1/E1 Rack Mount prompt: AIRLINK PRO T1/E1> set application operand where operand is a number in the range 1 to 6. If you do not specify a value, the system assumes the default value: 4 (master unit in a point-to-point link).
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Figure 3-1 Point-to-Point Link Hub Application (Different Paths) (Applications 1, 2, and 8) In a hub, where more than one AirLink Pro T1/E1 Rack Mount master unit is located at a central site (Figure 3-2), one of the master units must be configured as the primary master at the hub (application 1), providing burst synchronization, while a second unit is selected as the backup hub master (application 8).
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Figure 3-2 Hub Application Different paths Hub Application (Same Path) (Application 7) This example involves the use of antenna pairs configured to take advantage of fixed horizontal and vertical wave polarization. Wave polarization is achieved by mounting the antenna pair so that the feedhorns of both antennas are aligned either vertically or horizontally (per manufacturer’s instructions).
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Figure 3-3 Hub Application Same Path Repeater (Applications 3 and 5) In a repeater, the two AirLink Pro T1/E1 Rack Mount units that form the crossover point between the previous segment of the entire repeater link and the next segment of the repeater link are referred to as the repeater site (Figure 3-4).
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration of the master unit at the repeater site so that the slave at the repeater site provides the burst synchronization signal for the master unit of the next segment of the link.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration where operand is either Normal or Test. If you do not specify a value, the system assumes the default value: Normal .
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration To set the PN code of the remote unit, use the command: AIRLINK PRO T1/E1> remote set pn code operand RF Power Level When there are a number of AirLink Pro T1/E1 Rack Mount pairs in a hub arrangement, the received signal levels are dependent on the distances to the remote sites. Adjust the transmit power level to minimize cross-channel interference and ensure that the received levels at the hub are of equal power.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Interface Type (E1 Only) Set the interface operand on the E1, where the operand is balanced or unbalanced.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration To set the alarm reporting priority for the local unit, type the following command at the AirLink Pro T1/E1 Rack Mount prompt: AIRLINK PRO T1/E1> set alarm reporting operand where operand is either Request or Immediate. If you do not specify a value, the system assumes the default value: Immediate.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration 1-Hour Errored Seconds Threshold This parameter sets the number of errored seconds (ES) events that must occur in a one-hour interval before an entry is inserted in the Alarm queue. The 1-hour ES threshold is compared to the number of errored seconds in the past hour. If the 1-hour ES count is greater than the threshold value, the unit inserts a message in the alarm log.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration AIRLINK PRO T1/E1> remote set threshold 1_hr uas operand 24-Hour Errored Seconds Threshold This parameter sets the number of errored seconds (ES) events that must occur in a 24-hour interval before an entry is inserted in the Alarm queue. The 24-hour ES threshold is compared to the number of errored seconds in the past 24 hours. If the 24-hour ES count is greater than the threshold value, the unit inserts a message in the alarm log.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration To set the 24-hour UAS threshold of the remote unit, use the command: AIRLINK PRO T1/E1> remote set threshold 24_hr uas operand Receive (Rx) PowerThreshold This parameter sets the minimum receive power level before an entry is inserted in the event queue. This threshold should be set approximately 10 dB below the receive power level to allow for occasional fading.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration AIRLINK PRO T1/E1> remote set threshold tx power operand Setting Modem Parameters Introduction TheAirLink Pro T1/E1 Rack Mount ASCII terminal and Network Management ports are EIA/TIA-232 interfaces that allow terminal devices or personal computers to control and monitor AirLink Pro T1/E1 Rack Mount operation at either end of a point-to-point link.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration For example: >>> AIRLINK-T1> Sunnyvale Engineering Unit 1 12 APR 95 14:33:59 Receive Power Below Threshold NOTE The particular alarm message chosen is the highest-priority alarm condition in effect when dialing commences. Connection and Configuration The unit is shipped with a default configuration of DISABLED and 9600 bps. Any changes to the default values can be made using the command line interface.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration 4. Configure the modem for error correction, if the modem is so equipped (newer modems). This is generally the factory default, but can be invoked by typing AT&Q5 on Hayes compatible modems, or AT&M4 on US Robotics modems. 5. Set the number of rings you want the modem to answer on, by typing ATS0=X where x is a digit from 1 to 9 (the number of rings), or 0 (zero) for no answer. 6.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Testing the Modem Link 1.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Login When first dialing in, the remote user is not required to enter a password if the local user is already logged in. Auto Answer Function If Auto Answer mode is selected, the unit sends an automatic answering command to the modem to answer incoming calls after a designated number of rings. Otherwise, the modem will be configured not to answer.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Repeat Alarm Count (2 - 1000 counts; default = 10) Events are alternately declared and cleared for cyclical alarm conditions and must be declared between 2 - 1000 counts during the period defined by Alarm Holdoff Time. The event does not have to be the same one each time. Dial-out is not attempted until the end of the alarm holdoff time, even if the Repeat Count is reached before then.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Telephone Numbers and Dial Format The primary telephone number is the first number dialed. Ringing will continue for a user-specified period (default is 30 seconds) before giving up as unanswered. When the connection to the primary telephone number is not successful, then the secondary number is attempted. If neither the primary nor the secondary number is successful, then the AirLinkT1 waits for a Dial Retry period before retrying.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration CONNECT telephone-number When the parameter is given as 1 or 2, the unit will dial the stored primary or backup phone number respectively. Otherwise, the modem will dial the number supplied on the command line. The telephone number must follow the syntax of the configured telephone numbers. CONNECT does not automatically retry upon dial-out failure; this is strictly a manual operation. To redial, use the control-R key to repeat the last command.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration 8 data bits no parity Protocol Modems Protocol modems support MNP or other data compression. Since protocol modems introduce unneeded complications for flow control, and the AirLink Pro T1/E1 Rack Mount modem data rate needs are modest, such protocols should be turned off. However, error correction should be enabled if available; it will prevent garbage characters from appearing on the remote terminal when the unit hangs up the modem.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Table 3-3 Modem Response Definitions 3-32 Modem Response Definition 0 (zero) Numeric version of "OK" OK Successful execution of non-dial command CONNECT [XXXX] carrier detected; XXXX = numeric bit rate RING Ringing detected NO CARRIER No connection established, or connection lost ERROR Error in command line NO DIALTONE No dial tone present BUSY Busy signal NO ANSWER 5 seconds of silence not detected if '@' dial modifier was u
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration User Interface Additions Table 3-4 ModemCommands Parameter Specification SET ALARM HOLDOFF 0-600 (seconds) SET ANSWER TIMEOUT 0-99 (seconds) SET CONNECTION TIMEOUT 0 - 43200 (seconds; 0 means no time-out) SET DIAL {TONE | PULSE} SET DIAL HOLDOFF 0-5000 (minutes, repeat dial holdoff) SET DIAL LEVEL {FAULT | ALARM | ADVISORY | STATUS} SET DIAL RETRY 15-3600 (seconds) SET MODEM MODE {DISABLED | DEDICATED DIAL_OUT | ANSWER | BOTH} S
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration GET MODEM QUERY RS232 view modem and dial-out parameters status of RS-232 handshaking lines Responses and Alerts Each of the following messages is an advisory. These advisories will not trigger a dial-out, but they are entered into the Event Queue.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Alarm Holdoff This is the period of time between the onset of the first alarm condition, and the unit dialing out to report the alarm. During this period, an alarm condition must have existed continuously, or a minimum number of events must have occurred. The minimum number of events is defined by Repeat Count. The alarm events must be all be at or above the severity level, as defined by Dial Level.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration or SET DIAL PULSE The default setting is TONE. Dial Retry If the unit dials an alarm and reaches a busy or no answer signal, the unit will dial a second number if one is specified. Both numbers are dialed before a holdoff period is imposed. There is no automatic retry when the unit is configured for manual dialing.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Modem DTR Mode This governs whether the modem port DTR line is permanently asserted or switched on only when the port is sending characters. The DTR line is not needed for use with smart modems. To change the mode, type the following command: SET MODEM DTR {SWITCHED | CONTINUOUS} The default mode is CONTINUOUS. Phone Numbers 1 and 2 Phone number 1 is the phone number that the unit will dial first when trying to send out an alarm message.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Answer Timeout For dialing out, this is the time period after that the unit will declare a noanswer condition, and if a second phone number is defined, attempt that number. To set this value, type the command: SET ANSWER TIMEOUT XX where XX is the period in (0 to 99) seconds. The default is 30 seconds. This can be adjusted depending on the number of rings that the remote modem is programmed to answer.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration The system displays a list of information similar to the following: AIRLINK PRO T1/E1> get configuration Site Name: Cylink Sunnyvale 2 Application: Burst Mode: Coding: Equalization: PN Code: RF Power: 1. Primary Master at a Hub Duplex B8ZS/HDB3 0 - 133 1 0.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Configuration Digital List: Digital Issue: Digital S/N: FPGA Rev: Software Rev: 1 A 001 14496-0100 1.
CHAPTER 4 Operations and Maintenance This chapter contains information on the operation and maintenance of the AirLink Pro T1/E1 Rack Mount procedures for monitoring the alarm queue, and describes how the AirLink Pro T1/E1 Rack Mount responds to particular alarm conditions. Inside this chapter: Overview.................................................................................4-2 Acquiring Status Information............................................4-2 Acquiring Alarm Information...................
AirLink Pro T1/E1 Rack MountInstaller’s Guide Operations and Maintenance Overview This chapter focuses on monitoring system operation by querying for status, performance, and alarm information through the terminal user interface. This chapter also includes descriptions of the LEDs on the AirLink Pro T1/E1 Rack Mount digital module. Finally, this chapter describes the diagnostic tests and procedures used to isolate and resolve errors occurring during radio unit operation.
Airlink Pro T1/E1 Rack Mount Installer’s Guide Operations and Maintenance ❚ Burst Synchronization Loss ❚ Test in Progress ❚ DTE Alarm Indicator Signal (AIS) ❚ RF Alarm Indicator Signal (AIS) ❚ Transmit module failure ❚ Receive power level ❚ Transmit power level ❚ Temperature All this information is available from both the local and the remote AirLink Pro T1/E1 Rack Mount units.
AirLink Pro T1/E1 Rack MountInstaller’s Guide Operations and Maintenance Site Name The site name identifies the role or location of the specified AirLink Pro T1/E1 Rack Mount. In the previous example, “Sunnyvale 2” is the site name. This parameter is optional and can be any convenient description up to 60 alphanumeric characters. When using the Dial Out Alarm feature, it is important to have a descriptive name because the Site Name is part of the specific alarm report.
Airlink Pro T1/E1 Rack Mount Installer’s Guide Operations and Maintenance DTE Alarm Indication Signal (AIS) DTE AIS is declared when Radio Sync Loss (RSL) is detected, or when there is an active loop test that does not involve this DTE connection. The AirLink Pro T1/E1 Rack Mount sends an unframed, all-ones signal toward the DTE. This condition is cleared after RSL ceases or the loop test is terminated.
AirLink Pro T1/E1 Rack MountInstaller’s Guide Operations and Maintenance While indicators provide an observable indication of alarm conditions and other behavior, the information available through the terminal connected to the system is easier to access and interpret. The Event Queue When an alarm is detected, a message is entered into the AirLink Pro T1/E1 Rack Mount event queue. The event queue is a chronological list of up to 256 events.
Airlink Pro T1/E1 Rack Mount Installer’s Guide Operations and Maintenance Figure 4-1 Conventional Carrier Failure Response If the microwave signal is lost between two AirLink Pro T1/E1 units (Figure 4-2), both AirLink Pro T1/E1 units enter the local alarm state and send an unframed, all-ones AIS (blue alarm) back toward its neighboring network device. When the RF signal is regained, the AirLink Pro T1/E1 will come out of the alarm state in about 10 ms.
AirLink Pro T1/E1 Rack MountInstaller’s Guide Operations and Maintenance AIRLINK PRO T1/E1> query alarms The system displays a list of alarm information similar to the following: AIRLINK PRO T1/E1> query alarms 8: 7: 6: 5: 4: 3: 2: 1: NOTE 8001: C006: 8007: C006: C006: 8001: C006: C000: 20 20 20 20 20 20 20 20 SEP SEP SEP SEP SEP SEP SEP SEP 1995 1995 1995 1995 1995 1995 1995 1995 15:11:32 15:11:31 15:09:50 15:09:50 15:07:51 15:06:22 15:06:22 14:59:22 QRSS Test Started All Tests Cleared FE Remote Lo
Airlink Pro T1/E1 Rack Mount Installer’s Guide Operations and Maintenance The size of the Alarm Queue is 256 lines. No more alarms are logged when the action is full. AirLink Pro T1/E1 Rack Mount Indicators The AirLink Pro T1/E1 Rack Mount has five front-panel indicators. These indicators (LEDs) are duplicated on the rear panel. Refer to Figure 4-3 and 4-4. Figure 4-3 Front Panel Indicators Figure 4-4 Rear Panel Indicators Rev.
AirLink Pro T1/E1 Rack MountInstaller’s Guide Operations and Maintenance Table 4-1 Visual Indicators Name Color Function Power Green Indicates that primary power is applied to the equipment and the power supply is working. Major Alarm Red When ON, indicates that one or more of the following events has occurred.
Airlink Pro T1/E1 Rack Mount Installer’s Guide Operations and Maintenance ❚ Receive Signal Quality (RSQ) The AirLink Pro T1/E1 Rack Mount uses a Cyclic Redundancy Check (CRC) error-checking system that constantly monitors the link error performance. The CRC calculation is only performed on the T1/E1 payload. The CRC sequence is a 16-bit sequence that is appended to the end of the burst.
AirLink Pro T1/E1 Rack MountInstaller’s Guide Operations and Maintenance < 10E-xx When there are no errors, the result of the calculation is displayed as < 10E-xx, where 10E-xx is the number of bits transmitted, for example < 10E-08. n.nE-xx When there are errors, the result of the calculation is displayed as the bit error rate, for example 1.6E-07. Errored Seconds An errored second is any one-second interval during which there is a CRC-16 error.
Airlink Pro T1/E1 Rack Mount Installer’s Guide Operations and Maintenance you query performance at this point, you should see that the counter has been reset.
AirLink Pro T1/E1 Rack MountInstaller’s Guide Operations and Maintenance Figure 4-5 AirLink Pro T1/E1 Rack Mount QRSS Test Initiating the Test The QRSS test is separate for each direction. This helps isolate unsymmetric faults, such as RF interference versus antennae cable faults. The QRSS test can be initiated by a command entered through the terminal user interface. You can initiate a QRSS test from either end of the AirLink Pro T1/E1 Rack Mount link.
Airlink Pro T1/E1 Rack Mount Installer’s Guide Operations and Maintenance When you enter Y (yes) to confirm the request, the system starts the QRSS test. AIRLINK PRO T1/E1> test qrss WARNING: Start QRSS test? (Y/N) y Site Name: Sunnyvale 2 OK AIRLINK PRO T1/E1> If you enter N (no) or just press , the system ignores the event queue reset request.
AirLink Pro T1/E1 Rack MountInstaller’s Guide Operations and Maintenance Resetting The QRSS Error Register To reset the QRSS error register and restart a test, type the following at the command prompt: AIRLINK PRO T1/E1> reset QRSS NOTE The command RESET TEST does not reset the error count. The results of the last QRSS test will remain on the QUERY PERFORMANCE screen until RESET QRSS is initiated.
Airlink Pro T1/E1 Rack Mount Installer’s Guide Operations and Maintenance Figure 4-7 shows end-to-end communication on a typical AirLink Pro T1/E1 Rack Mount link. Figures 4-8 and 4-9 show the two types of loopback tests in operation. Figure 4-7 AirLink Pro T1/E1 Rack Mount in Normal Operation Rev.
AirLink Pro T1/E1 Rack MountInstaller’s Guide Operations and Maintenance Local Loop Test, Near End The Local Loop test (Figure 4-8) sets a loopback at the T1/E1 interface of the local (near end) radio unit and causes the T1/E1 signal to be returned to the DTE. The AirLink Pro T1/E1 Rack Mount sends an unframed, all-ones Alarm Indication Signal (AIS) toward the downstream (far end) AirLink Pro T1/E1 Rack Mount.
Airlink Pro T1/E1 Rack Mount Installer’s Guide Operations and Maintenance Remote Loop Test, Near End The Remote Loop test, Near End (Figure 4-9) causes the over-the-air received T1/E1 signal to be looped back at the output of the receive T1/E1 signal processing circuits. This loopback includes all of the radio circuits and approximately 90% of the digital circuits. The affected AirLink Pro T1/E1 Rack Mount sends an unframed, all-ones Alarm Indication Signal (AIS) toward the DTE.
AirLink Pro T1/E1 Rack MountInstaller’s Guide Operations and Maintenance When you enter Y (yes) to confirm the request, the system starts the loop test. OK AIRLINK PRO T1/E1> Site Name: Sunnyvale 2 Local Loop Test, Far End The Local Loop test (Figure 4-10) sets a loopback at the T1/E1 interface of the remote (far end) radio unit and causes the T1/E1 signal to be returned to the DTE.
Airlink Pro T1/E1 Rack Mount Installer’s Guide Operations and Maintenance Remote Loop Test, Far End The Remote Loop test, Far End (Figure 4-11) causes the over-the-air received T1/E1 signal to be looped back at the output of the receive T1/E1 signal processing circuits. This loopback includes all of the radio circuits and approximately 90% of the digital circuits. The affected AirLink Pro T1/E1 Rack Mount sends an unframed, all-ones Alarm Indication Signal (AIS) toward the DTE.
AirLink Pro T1/E1 Rack MountInstaller’s Guide Operations and Maintenance OK AIRLINK PRO T1/E1> Site Name: Sunnyvale 1 If you query the status information while the test is running, you can verify that the test is running: AIRLINK PRO T1/E1> query status Site Name: Sunnyvale 2 DTE Loss: Radio Sync Loss: Burst Sync Loss: Test in Progress: DTE AIS: RF AIS: Tx Fail: Rx Power: Tx Power: Temperature: NO NO N/A Remote Loop OFF OFF NO -60.5 dBm 12.
Airlink Pro T1/E1 Rack Mount Installer’s Guide Operations and Maintenance Features of Various Units The following table shows the features the AirLink Pro T1/E1 Rack Mount as compared to the AirLink Pro T1/E1 Ruggedized Unit. Ruggedized with Access Unit Ruggedized without Access Unit Rack Mount Unit Access Unit Loop Yes No No Order Wire 2 wire 2 wire 2 wire or 4 wire E1 Interface Select Hardware Jumpers Hardware Jumpers Software Selected Rev.
APPENDIX A Messages This chapter describes AirLink Pro T1/E1 Rack Mount Messages. Inside this chapter: General Information ............................................................ A-2 Fault Messages .................................................................... A-3 Alarm Messages .................................................................. A-3 Advisory Messages ............................................................. A-4 Status Messages .................................................
AirLink Pro T1/E1 Rack Mount Installer’s Guide Messages General Information AirLink Pro T1/E1 Rack Mount messages are only accessible through a terminal device connected to a Terminal port on the AirLink Pro T1/E1 Rack Mount. All messages are coded with a four-digit alphanumeric code so that higher-level network management software can detect the message.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Messages Fault Messages Fault messages (see Table A-1) indicate service-affecting failures; contact Cylink Customer Support for help. Table A-1 Fault Messages Code Message 0000 Transmit Power Below Threshold 0001 Synthesizer Loss of Lock 0002 Transmitter Failure Alarm Messages Alarm messages (see Table A-2) indicate conditions or events that insert an entry into the Event queue and may cause an alarm state.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Messages Advisory Messages Advisory messages (see Table A-3) indicate conditions or events that insert an entry into the Event queue, but do not cause an alarm state. Except for “Event Queue Full,” which does not indicate a service-affecting condition, these messages generally indicate that the system is working, but that something the operator has done—such as starting a test—is preventing data from passing from one end of the link to the other.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Messages Status Messages Status messages (see Table A-4) indicate the negation of another alarm or advisory condition or event. Table A-4 Status Messages Rev.
APPENDIX B Specifications This appendix is the reference for the specifications of the AirLink Pro T1/E1 Rack Mount system. Inside this chapter: General Specifications........................................................B-2 Interface Specifications.....................................................B-4 Signal-to-Pin Assignments...............................................B-11 Terminal and Modem Adaptor Cables...........................................................B-16 Configuration Defaults.......
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications AirLink Pro T1/E1 Rack Mount Specifications Typical of the design quality and extensive testing, the AirLink Pro family is designed to meet the following specifications: Environmental Requirements Temperature Operating: -40C to +60C (-40 to +140 Fahrenheit) Storage: -40C to +60C Humidity Operating: 10% to 95% non-condensing Storage: 10% to 95% non-condensing Altitude 200 feet below sea level to 13,000 feet above sea level Electromagnetic Inter
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications Shock Transportation/Handling Shock Drop Test NSTA Project 2A for packaged devices Operation Shock Bellcore TR-TSY-000487, Section 5.1.4.9 (Vibration Test-Low Level) Vibration Operational Vibration Bellcore TR-TSY-000487, Section 5.1.4.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications Table B-1 Power NOTE Input Voltage 21 to 56 VDC Input Power 25 Watts (Maximum) Input Current 1.0 Amps @ 24 Volts 500 Ma @ 48 Volts Input Polarity Input is floating. Either input may be grounded. Input Protection Nominal fuse = 2.0 A Slow Blow Input Reverse Voltage Protection Provided. Series diode. No current will flow if the input voltage is reversed.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications T1 DSX-1 Interface The DS1 interface in the AirLink Pro T1 performs according to the specifications of DSX-1 cross connects as specified in ANSI T1.102-1987 and Bellcore # TR-NWT-000 499. Table B-3 T1 DSX-1 Interface Transmission Line Rate 1.544 Mbps ± 150 bps Line Coding Bipolar 8-Zero Substitution (B8ZS) or Alternate Mark Inversion (AMI) Impedance 100 Ω ±5% Pulse Shape An isolated pulse shall fit the template shown in T1.102, Figure 1.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications Airlink Pro E1 Interface General Specifications The E1 interface in the AirLink E1 performs according to the specifications in the ITU-T Fascicle III.4 Recommendation G.703, Section 6. Transmission Line Rate 2.048 Mbps ± 200 bps Line Coding High Density Bipolar 3 (HDB3) or Alternate Mark Inversion (AMI) Impedance 120 Ω ±5% (balanced) 75 Ω ±5% (unbalanced) E1 Interface Output Specifications Pulse Amplitude 3.0 volts ±10% (balanced) 2.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications E1 Interface Input Specifications Signal Level No more than 6 dB loss, referenced to the pulse mask. The transmission medium is assumed to have an F1/2 characteristic and the loss is measured at 1024 kHz. Return Loss Frequency Range (kHz) 51 to 102 102 to 2048 2048 to 3072 Loss of Signal Threshold Loss of signal is reported upon detection of 175 ± 75 consecutive zeros.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications Table B-5 Transmitter B-8 Power Output 100 mW (20 dBm) maximum Load Impedance: 50 Ω nominal Tx Output Detector Accuracy ± 2 dB Output Level Control Digitally controlled attenuator, Dynamic Range: -4 to +20 dBm Resolution: can be set in 1 dB steps Accuracy: ± 2 dB @ 25° C; ± 3 dB over operating temperature range Output Level Detector Generates an alarm when the output falls below the user defined threshold RF Port Protection Open or
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications Table B-6 Receiver Input Impedance 50 Ω nominal. VSWR < 2:1 over the frequency and temperature range RF Input Protection +10 dBm continuous without damage Maximum RF Input Power Without Causing Dribbling Errors -25 dBm Receiver Dynamic Range > 40 dB Receive Signal Strength ± 2 dB Receive Level Detector Dynamic range: 40 dB Accuracy: ± 3 dB Frequency Band 5.725 to 5.850 GHz Noise Figure 5.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications Table B-7 2-wire Order Wire Terminating Impedance 600 Ω ± 5% Coding Method 64 kbps PCM Open Circuit Battery Feed Voltage 24 VDC Battery Feed Current 100 mA maximum Maximum Input Signal Meets V.21 and V.32 modem specifications; no ringing required End-end loss 0 dBm Table B-8 4-wire Order Wire B-10 Terminating Impedance 400 Ω ± 5% Coding Method 64 kbps PCM Nominal input 0 dBm Nominal output 0 dBm End-end loss 0 dBm Rev.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications Signal-to-Pin Assignments This section presents the pin assignments and functions for connector and captive-wire terminal blocks on the AirLink Pro T1/E1 Rack Mount: ❏ ❏ ❏ ❏ ❏ ❏ ❏ ❏ NOTE Network Management AirLink Control AirLink Pro T1/E1 Rack Mount CSU/DSU T1/E1 DTE CSU SEL Power & Alarm Order Wire Occasionally, industry names and terms change.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications 2-wire Order Wire Connector Location: AirLink Pro T1/E1 Rack Mount Front Panel Connector Type: RJ-11 Modular Jack Table B-10 2-wire Order Wire Pin Signal/Function Direction 1 No Connection ----- 2 No Connection ----- 3 Order Wire Tip Not Applicable 4 Order Wire Ring Not Applicable 5 No Connection ----- 6 No Connection ----- 4-wire Order Wire Connector Location: AirLink Pro T1/E1 Rack Mount Rear Panel Connector Type: 4-Pin Ca
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications Table B-12 Network Management EIA/TIA Circuit ITU-T Circuit 1 CF 2 Pin Description Direction 109 Received Line Signal Detector To AirLink Pro T1/E1 Rack Mount BB 104 Received Data To AirLink Pro T1/E Rack Mount 3 BA 103 Transmitted Data From AirLink Pro T1/E1 Rack Mount 4 CD 108.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications Table B-14 Major Alarm Connector Location: AirLink Pro T1 Rear Panel Connector Type: Four-Pin Captive Wire term Block Pin Signal/Function Explanation 1 COM Alarm Relay Common Contact 2 NO Alarm Relay Normally Open Contact 3 NC Alarm Relay Normally Closed Contact 4 GND Ground 5 CSU-SEL Strap from Pin 5 to Pin 6 6 CSU-SEL Activates the CSU SEL relay Table B-15 Minor Alarm B-14 Pin Signal/Function Explanation 1 COM Alarm
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications CSU Connector Location: Rear Panel Connector Type: Six-Pin Captive Wire Terminal Block Table B-16 CSU Pin Signal Description Direction 1 IN Input Data (Tip) To AirLink Pro T1 2 IN Input Data (Ring) To AirLink Pro T1 3 GND Cable Shield Ground 4 OUT Output Data (Tip) From AirLink Pro T1 5 OUT Output Data (Ring) From AirLink Pro T1 6 GND Cable Shield Ground DTE Connector Location: Rear Panel Connector Type: Six-Pin Captive
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications Terminal and Modem Adapter Cables Use the following figures to fabricate cables to connect terminals and modems to the AirLink Pro T1. Figure B-1 Terminal Cable: AirLink Pro T1 Terminal Port to a DB-25 Terminal Port Figure B-2 Modem Cable: AirLink Pro T1 Terminal Port to a DB-25 Modem Port B-16 Rev.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications Figure B-3 Terminal Cable: AirLink Pro T1 Terminal Port to a DB-9 Terminal Port Figure B-4 Modem Cable: AirLink Pro T1 Terminal Port to a DB-9 Modem Port Rev.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications Terminal Configuration Before connecting the ASCII terminal to the unit, configure the terminal with the following parameters: Terminal Mode = VT100 Column = 80 Autowrap = ON Monitor Mode = OFF Cursor Keys = Normal Newline Mode = ON Character Set = DEC Supplemental Key Code = ASCII Break key = ON Minimum Break Length = 2 character times (17 msec.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications Configuration Defaults The following table lists default configuration/operational values. Table B-18 Configuration Defaults Parameter Value Notes Application 4.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Specifications Dialout Parameter Defaults Table B-19 AirLink Pro T1/E1 Rack Mount Dialout Parameters B-20 Parameter Default ALARM HOLDOFF 10 seconds ANSWER TIMEOUT 30 seconds CONNECTION TIMEOUT 3600 seconds (1 hour) DIAL FORMAT TONE DIAL HOLDOFF 10 minutes DIAL LEVEL ALARM MODEM MODE DISABLED MODEM RATE 9600 MODEM RTS CONTINUOUS MODEM CTS IGNORE MODEM DTR CONTINUOUS MODEM VOLUME LOW MODEM XOFF IGNORE PHONE 1 (blank) PHONE 2 (bl
APPENDIX C Commands This command-list associated with the AirLink Pro T1/E1 Rack Mount covers the keywords to logging in and out, testing, local and remote access, and how to use help.
Airlink Pro T1/E1 Rack Mount Installer’s Guide Commands Command Keyword List This section lists the available command keywords and operands used to set, view, or change configuration parameter values. The command line syntax uses a set of keywords to get or set parameters, to query status, and to reset counter and queues. Only the first four letters of each keyword are necessary. Add space between keywords.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Commands ALARM REPORTING: {Request | immediate} ALARM LEVEL: {Status | Advisory | Alarm | Fault} DATE: MM/DD/YY TIME: HH:MM:SS PASSWORD: 16 character alphanumeric string. THRESHOLD 1 HR ES 1 HR UAS 24 HR ES 24 HR UAS Rx Power Tx Power {1..999} {1..99} {1..999} {1..99} {-35...-85} {-3...
Airlink Pro T1/E1 Rack Mount Installer’s Guide Commands REPEAT COUNT {0...99} RINGCOUNT {0...
AirLink Pro T1/E1 Rack Mount Installer’s Guide Commands R e sponses and Ale rts Each of the following messages is an advisory. These advisories will not trigger a dial-out, and they are entered into the Event Queue. "Modem Busy" "No Modem" "No Answer" "No Dialtone" All numeric responses are followed by (ASCII 13 decimal). All “word” responses are followed by and (ASCII 10 decimal).
Airlink Pro T1/E1 Rack Mount Installer’s Guide Commands AIRLINK PRO T1/E1> login NOTE Throughout this manual, the command line prompt AIRLINK PRO T1> represents the E1 command line prompt AIRLINK PRO E1>. The system prompts you to enter the password. If the password is accepted, the system displays an OK response and gives access to the commands.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Commands If you press before the command is complete, the command interpreter displays the next valid keyword or operand that you can enter. If the command is complete, the system will execute the command.
APPENDIX D Glossary This glossary provides definitions of some of the more important specialized terms and acronyms associated with the operation of the AirLink Pro T1/E1 Rack Mount. Rev.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Glossary A Ampere: A unit of electrical current related to the actual number of electrons moving past a given point per second. AIS Alarm Indication Signal. To maintain transmission continuity, an Alarm Indication Signal (AIS) is transmitted to the network upon Loss of Signal (LOS) or Loss of Clock (LOC). It is halted when the triggering signal is terminated. An AIS is an unframed, all-ones signal. AMI Alternate Mark Inversion.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Glossary BER Bit Error Rate. The measure of the frequency of errors in a digital transmission, typically expressed in exponential notation (e.g., 10-6 BER). Blue Alarm Signal An unframed all-ones bit pattern sent by equipment at the far end to indicate that an alarm condition exists upstream in a circuit leading to the downstream equipment. Also known as an All Ones Keep-Alive or Alarm Indication Signal (AIS).
AirLink Pro T1/E1 Rack Mount Installer’s Guide Glossary level of the DS1 (T1), DS2 (T2), and DS3 levels of the North American digital hierarchy. DTE Data Terminating Equipment. A communication device that is the source or destination of signals on a network. dynamic range The difference between the maximum receiver input signal and the minimum receiver input signal level (receiver sensitivity). The measure of the maximum achievable fade margin of a radio system.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Glossary hub configuration A system configuration in which several AirLink ProT1/E1 units are co-located. Usually, one unit acts as the burst synchronization master for all the other units at the site. jitter Jitter is short-term, high-frequency variations of the significant instants (clock measuring points) from their ideal position in time. kbps The abbreviation/notation for “one thousand bits per second.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Glossary generated within limited parameters. The stream (sequence) is typically used for encoding data for communication. QRSS Quasi-Random Signal Sequence. A test pattern used to test the continuity and integrity of a link. receiver sensitivity The measure of the ability of a receiver to differentiate between the selected signal and background noise for a specific performance.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Glossary UAS one-second interval during which Radio Sync Loss is active. Yellow Alarm The indicator of a remotely-detected failure, such as an Outof-Frame (OOF) condition. When a Red alarm is declared, a Yellow alarm is transmitted in the opposite direction. In the ESF format, a Yellow alarm is signaled by a transmission of alternating eight ones and eight zeros in the ESF Data Link bits.
Index Rev.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Index A acquiring alarm information, 4-5 administrative parameters date, 3-10 password, 3-11 site name, 3-9 time, 3-10 AirLink T1/E1 ASCII Terminal Interface, 1-4 features and capabilities, 1-3 front panel, 2-3 AirLink T1/E1 alarm control parameters 1-hour ES threshold, 3-23 1-hour UAS threshold, 3-23 24-hour ES threshold, 3-24 24-hour UAS threshold, 3-24 alarm level, 3-22 alarm reporting, 3-21 Rx power threshold, 3-25 Tx power threshold, 3-25 AirLink T1/E1 li
AirLink Pro T1/E1 Rack Mount Installer’s Guide Index F fire resistance, B-2 full-duplex, 1-4 G get configuration command, 3-26 get revision command, 3-27 get threshold command, 3-27 P password command, 3-7 performance information, 4-9 Ping-Pong analogy, 1-2,1-4 PN code command, 3-16 power-on self-test, 2-16 power supply ELPAC, 2-19 FORTRON, 2-20 Point-to-point link, 3-15 Preparing a Place, 2-4 pseudo-random noise.
AirLink Pro T1/E1 Rack Mount Installer’s Guide Index Specifications DTE interface T1, B-2 DTE interface E1, B-3 general, B-2 radio interface, B-5 spread-spectrum, 1-2 Spread Spectrum modulation, 1-2 system grounding, 2-8 T T1/E1 DTE input loss, 4-3 T1/E1 link backup capability, 1-6 temperature, 4-4, B-2 terminal connection, 2-14 terminal configuration, B-14 terminal user interface, 1-5 test in progress, 4-4 threshold settings, 3-21 time command, 3-6 Time Division Duplex, 1-4 transmit module failure, 4-4 t
AirLink ProT1/E1 Rack M ount Configuration W orksheet Pair ID/Name— Master: Slave: Serial Number— Master: Slave: Pair Location— Master: Slave: Antenna Type: Cable Length: P AR AM E TE R V ALU E S M AS TE R A d m in is tra tiv e P a ra m e te rs S ite N am e ≤ 6 0 a lp ha n um e ric ch ars (null string) S ite N a m e , M a ste r: S ite N a m e , S lave: T im e m m /d d /y y (d e fa ult: 0 1 / 0 1 / 9 1 ) D ate h h :m m :s s (d e fa ult: 0 0 : 0 0 : 0 0 ) P assw o rd ≤ 1 6 a lp ha n um e
C onfiguration N otes
Package Number 81921-00A Updates Packages: 81915-xxx 81922-xxx April 1995 TM AirLink T1/E1 S U P P L E M E N T (U.S./Canada Installation Rules) CYLINK CORPORATION 910 Hermosa Court Sunnyvale, California 94086, U.S.A. (408) 735-5800 CYLINK LIMITED U.K.
UPDATES TO THE AIRLINK T1 & E1 Installer’s Guides This supplement to the AirLink T1 Installer’s Guide and AirLink E1 Installer’s Guide contains information needed to make the system comply with Federal Communications Commission Rules and Regulations and the Canadian Industry Canada Certification. All information in this supplement supersedes that in the Installer’s Guide. This supplement is divided into two sections.
AirLink T1/E1 Installer’s Guide Supplement - U.S./Canada Installation Rules United States Installation Regulations FCC Notice to Users Federal Communications Commission (FCC) Rules on spread spectrum devices, such as the AirLink T1 or AirLink E1, require that you be notified of the following: FCC regulations require that this device be professionally installed by a person knowledgeable in electronics and trained in the correct installation of this device. All interface cables must be shielded.
AirLink T1/E1 Installer’s Guide Supplement - U.S./Canada Installation Rules It is imperative that the installer calculate the EIRP of this installation with non-Cylink antennas and adjust the transmit output power so that the maximum allowable EIRP is not exceeded. NOTE Exceeding specified levels may create an installation that violates United States FCC Rules and Regulations. The EIRP depends on the transmit output power, the antenna feedline and connector losses, and the antenna gain.
AirLink T1/E1 Installer’s Guide Supplement - U.S./Canada Installation Rules In the following example, given antenna gain of 25 dBi, feedline loss of 3 dB, and connector loss of 1 dB, the transmit output power cannot be adjusted to more than 32 milliwatts (15 dBm). Example (a) Maximum allowable EIRP: + 36 dBm (b) Plus feedline loss: + 3 dB (c) Plus connector loss: + 1 dB (d) Minus antenna gain: - 25 dB (1) Resultant AirLink T1/E1 transmit output power (sum of a through d): 15 dBm (2) U.
AirLink T1/E1 Installer’s Guide Supplement - U.S./Canada Installation Rules Canadian Installation Regulations Industry Canada Notice to Users The Industry Canada Rules on spread spectrum devices, such as the AirLink T1 or AirLink E1, require that you be notified of the following: Industry Canada requires that this device be professionally installed by a person knowledgeable in electronics and trained in the correct installation of this device. All interface cables must be shielded.
AirLink T1/E1 Installer’s Guide Supplement - U.S./Canada Installation Rules NOTE Exceeding specified levels may create an installation that violates Industry Canada’s Rules and Regulations. The EIRP depends on the transmit output power, the antenna feedline and connector losses, and the antenna gain. The transmit output power must be reduced by the amount in dB required to limit the EIRP to no more than 36 dBm.
AirLink T1/E1 Installer’s Guide Supplement - U.S.
