ISM Brno Sp reap SPECTRUM Section 1 TRACER DESCRIPTION INTRODUCTION The Tracer provides dual T1 transport by way of a spread spectrum microwave link for distances up to 20 miles or more depending on path engineering. System performance is determined, in part, by the engineering of the microwave link. Each end of a Tracer link is composed of two units ~the base band processor (BBP) and the radio frequency converter (RFC). Two BEDSIDE-1 (T1) interfaces are provided on the rear of the BBP.
I 1 Preliminary 12/18/98 Pace 2 Sen 1 APPLICATIONS Any application that would typically use metallic Tl asa transport can use the Tracer instead. The figure below illustrates a typical application. Antenna 4 ® we canto Mast. tad) 1 I coe “: macerate. | races: (or Torrance: Processor Bandaged processor {ire Rack mount, To XL, Hea Hast And Rack mounts R¥Ca mey be oxide to accommodate individual sys Figure 1-1.
Cranmer SELECTION Page 3 Tracer Description Dine Sequence A direct sequence transmitter spreads the signal by mixing the data with the output of 2 pseudo random number generator which changes state at a rate higher than the data rate. This rate is called the “chipping” rate. The Tracer chipping rate is twelve times the data rate. Coon Many different pseudo random sequences exist.
I i Preliminary 12/18/98 Pace 4 Renown 1 The transmitter at one end (TxA) of a link will transmit in the lower half of the spectrum. Consequently the receiver ai the other end will receive in the lower half of the band and transmit in the upper half. Thus, a system will operate in one of two frequency plans -transmit in the upper and receive in the lower or vice versa. These two plans are called Plan A and Plan B. One end of a path will be on Plan A and the other will be on Plan B.
Pact 5 Tracer Nondescript For the T1 receiver to operate correctly, a minimum number of “1s” must exist on the T1 facility. If the data cannot be guaranteed to met this requirement, then another line coding format is used. In the bipolar 8 zero substitution (BRAZOS) scheme, a string of eight “0s” is replaced by a special sequence of eight bits that contains a bipolar violation. The receiver, upon recognizing this sequence, reinserts the eight “Os” and the data is recovered intact.
Preliminary 12/18/98 Past 6 Section 1 Tracer System CONFIGURATION A Tracer system is composed of three major subsystems —~ a base band processor, a radio frequency converter, and an antenna. The following section describes the system components. Baseman Procession or BBP The BBP {TRAN part number 1280.003L1) isa 1-U, 19° rack mountable unit that provides the system electrical interfaces, user controls and indicators, and performs the spread spectrum processing for the system.
ny Pat 7 Tracer Description The interfaces are illustrated in the BBP Block Diagram below. The functions of the BBP are partitioned into three printed circuit boards or PCB, all contained in the same enclosure. Sebastian Processor Board IF Internecine Board Figure 1-5. BBP Block Diagram 86/81/71 Hungarian The DS1/DSX-1 interfaces provided for each channel are the same.
Preliminary 12/18/98 Past 8 See non 1 For connections to other CAPE-type equipment, such as an TRAN TAU-100, 2 straight-through T1 cable is provided by TRAN (part number 3127.004) and is included with the BBR. V-100 RS-232 Trainmen A serial interface port using RS-232C signal levels is provided for attaching a VT-100-compatible terminal. The connection is made via a DB-25 connector on the rear panel. The data rate is configured for 9600 bps, 8 data bits, no parity, and 1 stop bit.
Pact § Tracer Description AC/DC Power The unit receives power via one of two connectors. Power for the entire system is provided by these interfaces. The three-pin circular DIN connector is provided to connect an optional TRAN desktop AC adapter (TRAN part number 1360.DSK24VL1), providing 24 volts DC. The three-pin terminal block allows the connection of any DC power source providing between 21 and 56 volts DC. The power consumption of the entire system is 30 watts.
I Pace 10 Sec non 1 The LED associated with the DS1/DSX-1 interfaces are listed below. There are two sections of identical indicators -one for each DS1/DSX-1 interface. BF. ..
Pave 11 Cetacean Deescalation The monitor points provided on the front panel of the system are listed below Demodulated received base band output Demodulated received base band output Recovered clock for observing EYE pattern DC voltage indicating strength of the received signal at the antenna System 5 volts Stent 5 volts System +12 volts System -12 volts Voltage supplying RF power + System ground RF PWR GND ns Reno Frequency Converter os RFC The radio frequency converter or RFC {TRAN par number 1280.
I Preliminary 12/18/98 See 12 Section 1 This signal is used to align the antenna during installation and 0 verify that the link is performing as designed. A third test point is provided to monitor the transmitter output power during system configuration. The only connections that must be made in the field are a coax connection between the BBP and the RFC and a coax connection between the RFC and the antenna. The “IF” connector provides the connection between the BBP and the rack or mast-mounted RFC.
I Page 13 Tracer Description for mast-mounting near the antenna for enhanced system performance. The RFC mast-mount and rack-mount housings are illustrated below. Figure 1-11. Rack-Mount REC Housing ANTENNA 6/81/71 Harelipped Tracer is intended to be coupled with an antenna that is directional & and provides signal gain. There are several reasons for this requirement: + Tracer operates in point-to-point applications; therefore, an unidirectional antenna is not needed.
I seen 2 INSTALLATION Unpack, Inspect Carefully inspect the Tracer for any shipping damages. If damage is suspected, file a claim immediately with the carrier then contact TRAN Customer Service. Hf possible, keep the original shipping container for use in shipping the Tracer back for repair or for verification of damage during shipment. Before beginning installation, verify that all of the fallowing components are present.
Preliminary 12/18/98 Pace 16 Simon 2 Provided by customer ~~ + Antenna feed line cable + Antenna and mounting hardware * BBP to mast-mounted RFC IF interconnect cable * VT-100 terminal and interface cable (optional) volt DC power source (available from TRADESMAN, either polarity referenced to ground INSTALLATION Location Install the Tracer in a location that requires minimal antenna feed line length (the loss in this cable directly affects overall system performance).
IL Pace 17 Installation The attachment-plug receptacles in the vicinity of the product or system are all grounding type, and the equipment grounding conductors serving these receptacles are to be connected to earth ground at the service equipment. A supplementary equipment grounding conductor shall be installed between the product or system and ground that is in addition to the equipment grounding conductor in the power supply cord.
Past 18 Section 2 Preliminary 12/18/98 DS1/D8X-1 INTERFACE The rear panel of the Tracer has (wo sis of jacks labeled TIA and T1B which provide the same functionality. The pin assignments for the eight-position modular jack are listed below. Function Send data {ring} .. Send data {dp} Not used .. Receive data (ring) Receive data (tip) Bantam jack connections are provided for test equipment access. Data is received on the jack labeled “IN” and is transmitted on the jack labeled “OUT.
I ay Link Prancing Pres 19 Instillation The line build-out (LBO) must be set for each DS1/DSX-1 interface. The LBO setting allows each BEDSIDE-1 interface transceiver to drive the interface with the correct signal strength based on the fine attenuation between Tracer and the attached equipment. The LBO is independently set for each interface via rotary switches on the front panel.
Preliminary 12/18/98 Past 20 Section 2 Antenna Neptune Loss Feed line loss is a function of feed line type and length. Feed line loss per 100 feet for several types of coax at IF and RF frequencies is detailed in the table below. The IF loss applies to BBP/RFC interconnection, and the RF loss applies to RFC/antenna interconnection, Antenna manufacturers’ specifications may vary. IF Loss/100 feet RF Loss/100 feet Cable AUGSBURG linen 37 RG8 WT . 20 “Marcella” RGS “Afr comm” on 1 7," Wave guide Wave guide L.
Page 21 INSTALLATION Pam Loss The free space path loss is given by Loss(dB) = 96.6 + 20 log, f « 20log,,D where D is distance in miles fis operating frequency in GHz A tabulation of various path loss is given below. Link Distance Path Loss | Link Distance Path Loss {in miles) in dB) {in miles) (in dB} 1.
Page 22 Sec now 2 Terrain factors are listed below Terrain Terrain Factor Smooth 4 Average 1 Mountainous . iY, The nominal received signal level is -60 dBm. For help in link planning, use the path loss calculation worksheet below.
Pace 23 INSTALLATION The transmitter power is set by way of a potentiate on the front panel of the BBP or via the configuration page of the interface VT-100. The RFC must be attached by way of the IF cable during this operation. Attach an RF power meter to the N-type antenna connector on the REC, and adjust the power by way of the potentiate or VI-100 until the desired transmitter power is obtained. For convenience, the transmitter power adjustment should be made before the RFC Is installed on the mast.
I Preliminary 12/18/98 Pace 24 Stanchion 2 3. Unscrew the cable assemblies from the ports labeled “Tx” and “Rx” on the REC, and the ports labeled “2422” and "2462" on. the dip lexer, depending on the frequency Plan (Plan A or Plan B). 4, Unscrew the cable assembly from the port labeled “Antenna” on the dip lexer. 5. Remove the four screws from the bottom of the RFC that hold the dip lexer in place. 6. Turn the dip lexer over revealing the opposite frequency plan (from Plan A to Plan B, or vice versa). 7.
1 Pact 25 INSTALLATION Carving Power If the TRAN-supplied tabletop power source is used, simply plug it into the circular receptacle located in the “DC Power” area on the rear of the BBR. If a source volts DC (30 watts), either polarity referenced to ground, is available, it may be attached to the terminal block located on the rear of the BBR The positive lead should be attached to the side of the block and the negative lead should be attached to the -" side of the block.
a) Preliminary 12/18/98 Pact 28 Econ 2 WARNING tis possible for the spreading code to be changed remotely through the VI-100 interface from the other end of the link. When this is performed, communications will be fast 10 the far end. The spreading code will change to code “07 and communications will be lost as soon as {his change Is made. If this happens. the Spreading Code on the local unit to code “6”. The units should regain communications as soon as the correct code Is selected. Co-Lo carve Mutilate 2.
my Page 27 RF Low The “RF Low" LED indicates that the received signal is within 10dB of the minimum received signal strength DBMS. 1f this indicator is on, the link performance may be marginal. The antennas should be peaked in azimuth and elevation until the desired signal level is achieved.
I Preliminary 12/18/98 Past 28 for both alarm types. Under normal operating conditions there is no continuity between the Normally-open and Common contacts and under an alarm condition continuity between those contacts exists. The Normally-closed and Common contacts normally have continuity, while under alarm conditions, these contacts are open.
Nosecone 3 OPERATION VT-100 User Inveteracy The Tracer may be accessed with a VI-100 compatible terminal set to 9600 bits per second, 8 data bits, and no parity, connected 10 the RS-232 port on the back of the unit. Once a terminal is connected, pressing the ESC key will present the System Status screen. If password access has been enabled, then press “Enter” or “Return” in order to see the “Enter Password:” message. Tracer is shipped with password protection disabled.
IL 1 Preliminary 12/18/98 Pact 30 Econ 3 Password Tracer provides optional password protection of the terminal interface. If enabled, a password prompt is presented at power up, reboot, or alter thirty minutes of inactivity on the terminal. The default configuration is “No password.” Password protection is enabled via the configuration menu. The password is also set via the configuration menu. 1f the password is forgotten, physical access to Tracer is required to access the terminal interface.
He Pace 31 Opera non Mav Menu Secession System Rumpus Pace This page displays the status of major system components. This is a status screen only; no configurations can be performed. More detailed information can be obtained by way of the Main Menu. Current System Status Elopes Time 80:14:59 oo.
I Preliminary 12/18/98 Park 32 Section 3 Mav Menu Pace Pressing “M” on any screen will take the user to the Main Menu, from which the subsequent screens can be accessed, TRACER Main Keno, Rev: A chive: ragtag 13 11 Status Page 2) Tia Performance History 3) T18 Performance History 53 Test Menu 8) Configuration Hen 73 Ho wove Access Press £50 for System Status: Figure 3-2. Main Ens Page T1 Snares Pace The status of the two T1 interfaces is displayed on this screen.
yi Paar 33 Serrano Cannes A Statistics Ease This screen presents detailed error statistics for TIA. The data is presented as Error ed Seconds and Severely Error ed Seconds. The counts for the most recent 24 hours are recorded in 15-minute increments. Twenty-four-hour totals are recorded for the most recent days. TRACER Tia Performance History Site: Andean 28 Hour Registers 18 Minute Registers represent SES -USES 0008 00BA0 «Current =» 460 660 290 98 Press ‘for Main Menu Figure 3-4.
Preliminary 12/18/98 Pace 34 Econ 3 Augean Page This screen presents alarm information for the system. The T1A or T1B alarms are described in the chapter entitled “Troubleshooting.” 1f any of the T1A or T1B alarms are active, a minor alarm will be indicated at the alarm contacts. The RF link alarm will be activated when communication between the BBP and the RFC has failed. Code Sync, Carrier Sync, and T1 Mux Framer alarms indicate that various portions of the spread spectrum data pump are not operating.
| Pace 35 Operation Each menu selection is described below: 1. Loops the local T-A Interface towards the local customer equipment. 2. Loops the local TI-B Interface towards the local customer equipment. 3. Loops the local T-A interface towards the remote customer equipment, over the RF Link. Loops the local T-B interface towards the remote customer equipment, over the RF Link. Loops the remote T-A Interface towards the local customer equipment, over the RF Link. .
MN Preliminary 12/18/98 Pace 36 Beer ion 3 The menu selections are described below. TIA and T1B Framing allow each T1 to be configured for SF or ESF framing, T1A and T18 Line Code allow each T1 to be configured for AMI or BRAZOS. T1A and T1E Line Build out allow each T1 to be configured for the appropriate line foldout, based on the distance to the T1 equipment. WARNING \t 18 possible for the spreading code te be changed remotely through the VI-100 interface farm the other’ end of the link.
J Section 4 TROUBLESHOOTING GENERAL If you experience a problem with the Tracer system, check to ensure that all connectors, coaxial cables, antennae and Ts are alt properly connected; and that the system configuration ensures proper transmit and receive levels for the RF equipment. Then, if the problem persists, follow the actions recommended in this section.
“1 Preliminary 12/18/98 Pact 38 Econ 4 Propriety DESCRIPTIONS AND RECOMMENDED ACTIONS Each problem described below is followed by a list of Possible Causes, each of which is followed by a number (or numbers) corresponding to a Recommended Action {or Actions). IMPORTANT 1 problems persist after you have followed the Recommended Actions, contact TRAN Technical Support at (300) 726-8663.
J Port 39 Troy lesson MP OR TAN T em if problems persist after you have Toweled the Recommended Actions, contact TRAN Technical Support at (800) 726-8663. Check all connections between the BBP, the RFC, and the antenna. Check the IF and RF cables for shorts. Check the connections inside the mast-mount or rack-mount RFC. . Replace the RFC. se ®N ° “BPV" usr ov T-Aor Bis um This alarm will activate when the incoming T1 stream presents BP's.
J I Preliminary 12/18/98 Pace 40 Sec non 4 IMPORTANT If problems persist after you have followed the Recommended Actions, contact TRAN Technical Support at (800) 726-8663. “LB-A” or “LB-B” 15 Lr This alarm will activate when a software or manual T1 loop back has been established. Recommence Action Possible Cause {SEE LIST BELOW) « A loop back has been commanded from the VT-100 user interface. S12 » The “LB-A” or “LB-B" button has been pressed. . 12 Recommence Actions: 1.
uy Pace 41 TROUBLESHOOTING IMPORTANT If problems persist after you have followed the Recommended Actions, contact TRAN Technical Support at (800) 726-8663. “AISLE" INDICATOR 1§ FLASHING This alarm is activated when the T1 interface at the remote end is not receiving a T1 signal (it is in Red alarm). In this circumstance the interface with the flashing AISLE indicator is transmitting an AIS (keep alive) signal.
“ Preliminary 12/18/98 Pace 42 Sec non 4 IMPORTANT if problems persist after you have followed the Recommended Actions, contact TRAN Technical Support at (800) 726-8663. “TEST'" LIGHT IS LIT OR BLINKING ‘The test alarm will remain on (solid) during power-up, indicating a self-test is in progress. The light will flash or remain on (solid) if the self-test fails, Recompense Acton Poss Isle Cause {SEE LIST BELOW) » One-flash interval indicates a RAM test failure. ..
J ll Por 43 Troubleshooting IMPORTANT if problems persist after you have followed the Recommended Actions, contact TRAN Technical Support at (800) 726-8663. FAL" LIGHT 15 LIT AFTER PRESSING “Remote Tes” Sutton The Remote Fail light will activate after a Remote Test has failed. RECOMMENDED ACTION Passive Cause (SEE LIST BELOW) + The 10-second BERT has failed over the RF link to the far-end. + The RX power may be below or near the 91 dbm threshold. . ren er .
Preliminary 12/18/98 Pace 44 Section 4 IMPORTANT ff problems persist after you have followed the Recommended Actions, contact TRAN Technical Support at (800) 726-8663. Troubleshooting Using THE VI-100 User INTERFACE This section provides information for troubleshooting the Alarm Menu on the VT-100 user interface. The conditions present in the Alarm Menu are software indications and should match the front panel LED indications.
IL “I Pace 43 TROUBLESHOOTING em AM PORTENT if problems persist after you have followed the Recommended Actions, contact TRAN Technical Suppurate at (800) 726-8663. Recommence Afros: 1. Check the incoming BEDSIDE-1 signal for BP's using a T1 test set. 2. Correct the line code on the Tracer or BEDSIDE-1 equipment. YELLOWISH Augean This alarm indicator will flash when a T1 Yellow alarm occurs.
ay Preliminary 12/18/98 Page 46 Sermon 4 IMPORTANT if problems persist gaiter you have followed the Recommended Actions, contact TRAN Technical Support at (800) 726-8663. RF Link Amaru or Cope Sync Alarm The RF Link Alarm will activate when the link is down or not operational, The Code Sync Alarm will activate when data synchronization has not been achieved between the RF link. Recommence Action Possess Cause . {SEE UST BELOW) + The RF link is down. ..
Pace 47 TROUBLESHOOTING IMPORTANT if problems persist after you have followed the Recommended Actions, contact TRAN Technical Support at (800) 726-8683. Carmine Save Alan or T1 Mux Frames Amaru The Carrier Sync alarm will activate when frequency synchronization has not been achieved between the RF link. The TL Mux Framer alarm will activate when synchronization between the T1 mux on each radio has not been achieved. Recompense Anion Posse Cause “ (SEE LIST BELOW) The RF link is down. .
Preliminary 12/18/08 Pace 48 Sec nos 4 IMPORTANT 1 problems persist after you have followed the Recommended Actions, contact TRAN Technical Support at (800) 726-8663. ES Overawes w TT Stars Meu This value indicates the number of Error ed Seconds in the T1 data stream. Recommence ACTION Possessive Cause {SEE UST BELOW) + nan A Ml-coded T1, a BPV or frame bit error has occurred, . err ES-coded T1, a BPV or CRC error has occurred. wl RECOMMENDED ACTIONS: 1.
section 5 SPECIFICATIONS This section lists the specifications for the Tracer system. TRANSLITERATE Quip Power. +20 dBm, maximum Frequency Range 2400 to 2483.5 MHz Channel Bandwidth .. 40 MHz {twa channels) VF. 140 MHz Receiver Receive Level, range... Receive Level, maximum Receive Level, nominal dBm (10° BER) 30 dBm -60 dBm. wy £ g AGC Range. 61 dBm g 3 — Frequency Pan ® Plan 2.422 GHz, Rx 2.462 GHz 2 Plan «. Tx 2.462 GHz, Rx 2.
Il Preliminary 12/18/98 Pace 50 Section 5 INTERFACE SPECIFICATIONS Capacity... L2xT1 Connection .. . RJ-48C, bantam Line Code . AMI, BBS Framing .. F ESF Alarms . AIS, Red, Yellow, BP's Loop backs . Local and remote, per T1 channel User Inveteracy Front Panel...
I Page 51 SPECIFICATION. Mast Li nit Operating Temperature 40°C 10 65°C Size 21" high x 9" diameter Humidity 100% Weight 181st Power Input Voltage volts DC, either polarity referenced to ground Power Consumption CORE corrector 30 was ..
1 econ 6 WARRANTY, ORDERING AND RETURN INFORMATION WARRANTY Tran will replace or repair this product within five years from the date of shipment if it does not meet its published specifications or fails due to defects in materials and workmanship. For detailed warranty, repair, and return information, refer to the Tran Equipment Warranty, Repair, and Return Policy and Procedure.
Pace 54 Sec non 6 Testicular Support Standard support hours are 7am. to 7 p.m. CST, Monday through Friday. Emergency technical support is available 24 hours a day, seven days a week.
GLOSSARY Across Use In Tis Manual Alternate Mark lo version Bipolar 8 zero substitution Bit error rate Base band Processor Cyclic Redundancy Check Data Communications Equipment Data Terminal Equipment . Extended super frame Federal Communications Commission . Forward error correction . Intermediate Frequency . Industrial, Scientific, and Medical . Loop back . Quadrature Phase Shift Keying . Radio frequency . Radio frequency converter . Received signal strength indicator . Receive . Super frame .
Pace A-1 Cane Connections. Arpeggio A CABLE CONNECTIONS The cable connections required for various configurations are detailed below Termite Connection (DB) Tracer (DCE) Terminal (TEDDY Number Name Number Name Personal Computer Connection (DB) Tracer (DA Number Name Number Name 2. tre RXD 4. terr 1 RIS 5. ree 8 CTS 6. DSR ree 6 DSR 7.
61280.003L11A Pace B1 FCC Resumptions serene 8 FCG REGULATIONS 1. This equipment complies with Part 68 of the FCC Rules. On the bottom of this equipment is a label that contains, among other information, the FCC Registration number for this equipment. If requested, provide this information to your telephone company. 2. Below isa list of all applicable registration jack USO Cs (Facility Interface Codes and Service Order Codes) for the equipment.
Pace B-2 Appease B 8. This equipment may not be used on public coin service provided by the telephone company. Connection to party lines is subject to state riffs. (Contact your state public utility commission ot corporation commission for information.) 9. Connection of Private Communication Systems: Private communication systems (microwave, etc.) may be directly connected to the network through the use of VP couplets; or to station ports behind registered host systems.
Page B 3 FCG Recur anons Riparian ror Connection of Customer Premises Equipment To 1.544 Reps aviator Subarea Die Rial Services For the work to be performed in the certified territory of {Te co Awe) State of County of I (Nauru) (Busyness ADDRESS) eee DING duly swot, SEAS (Neutron Nurser) I have responsibility for the operations and maintenance of the terminal equipment to be connected to 1.544 Bps and/or sub rate digital services.
Page B4 Cenozoic B 1 attest that the of the digital CPE responsible for the establishment, maintenance, and adjustment of the encoded analog content and billing information has (have) been trained to perform these functions by successfully having completed one of the following (check appropriate blocks): [ 1A.