ABSR-757 / BSR-757 Base Station User Guide Part Num)er 1 sector: 9AN0001 Part Num)er 2 sectors: 9AN0002 Part Num)er 3 sectors: 9AN0003 User guide PN 3B:0041
Copyright and Compliance Information Copyright B 2007 Arcadian NetDorks Inc. All rights reserved. Arcadian NetDorks Inc. reserves the right to alter all eJuipment specifications and descriptio in this pu)lication Dithout prior notice. No part of this pu)lication shall )e deemed part of any contract or Darranty unless specifically incorporated )y reference into such contract or Darranty.
FCC Compliance Information NOTE: This eJuipment is authorized under FCC ID <72ABS:757 to operate in the A )lock of the Upper 700 SHz Guard Band pursuant to Part 27 of the FCCVs rules. This eJuipment is limited for maximum E:P of 60 dBm. The eJuipment Das authorized Dith antenna gain of 13.3 dBd. A higher gain antenna should not )e used. In addition, this eJuipment has )een tested and found to comply Dith the limits for a Class A digital device pursuant to Part 15 of the FCCVs rules.
Table of Contents About This Guide ....................................................................... Intended Audience ...................................................................................... Document O)[ectives .................................................................................. Document Conventions............................................................................... HoD This Guide is organized ....................................................................
Ta)le of Contents Electrical Service :ecommendations ..................................................... Shelter Security ...................................................................................... Unpacking and Inspection........................................................................... Physical Installation..................................................................................... Initial Operation Procedure .................................................................
Ta)le of Co Chapter 6 Troubleshooting......................................................................... On-Site Trou)leshooting ............................................................................. General Trou)leshooting Guidelines ...................................................... Initial Operation a Trou)leshooting Issues ............................................. ]STS Digital Display and LED Indications............................................ ]STS Trou)leshooting.............
About This Guide The ABS:-757 / BS:-757 Base Station User Guide is part of the documentation package for the Arcadian NetDorks. The guide descri)es the BS:-757 Base Statio and hoD to install, configure and maintain it. In this guide, the term Base Station re to the Base Station :ack hardDare, softDare, and management facilities. It does n refer to the antennas, pole, and antenna ca)les, and they are not discussed in this guide.
1 OvervieD How This Guide is organized This guide is organized into the folloDing chapters and appendices: Chapter 1: Overview This chapter provides an overvieD of the Arcadian NetDorks, the Base Station, and configuration of the system. Chapter 2: Base Station Components This chapter includes descriptions of the Base Station rack, and the various Base Station components.
1 Ov Obtaining Documentation To o)tain additional documentation, please contact infodarcadiannetDorks.com. Documentation Feedback ]e Delcome your comments a)out this guide. Please send comments to: Email address: helpdeskdarcadiannetDorks.com Please include in the comment the name and version num)er of the guide.
1 OvervieD List of Abbreviations FolloDing is a list of the a))reviations used in the guide.
1 Ov Abbreviation Meaning ITU-T Telecommunication Standardization Sector of the International Telecommunication Union K)ps Kilo)its per second KHx Kilohertz LAN Local Area NetDork LOS Line of Sight LLC Logical Link Control procedure SAC Sedia Access Control S)ps Sega)its per second SHz Segahertz SIB Sanagement Information Base SSU Sonitor Sodem Unit SPEG Soving Picture Experts Group Ss Sillisecond STU Saximum Transmission Unit NLOS Non Line of Sight NSS NetDork Sanagement S
1 OvervieD 6 Abbreviation Meaning TFTP Trivial File-Transfer Protocol US Upstream
1 Overview Arcadian NetDorksVs ABS:-757 / BS:-757 Base Station is a component of the Arcadian NetDorks access system. This system provides point to multipoint )road) Direless access over the 700 SHz A-Guard Band freJuencies. The system ena)le utilities to operate secure Direless netDorks for communications and Supervisory Control And Data AcJuisition (SCADA) of their remote assets.
1 OvervieD The folloDing figure illustrates the Arcadian NetDorks access system. Figure 1: Arcadian Networks System Arcadian NetDorkshs solutions are standards-)ased. The Arcadian NetDorks syste architecture is Internet Protocol (IP)-)ased and utilizes a version of the ca)le indus DOCSIS standard, adapted to the Direless environment.
1 Ov As illustrated in Figure 1, the main components of the system include: ! The ABS:-757 / BS:-757 Base Stations, descri)ed in this guide. ! The Direless modems. The Base Station supports several modem types: ! <490i - this is an industrial Direless modem located in the utility su)station s It includes a <487i data modem Dith additional interfaces, such as four seria ports (typically for SCADA devices), three Fast Ethernet ports, and a ]iFi access point. This modem is descri)ed in the V490i User Guide.
1 OvervieD ! The NSS, descri)ed in the NMS User Guide. Overview of the Base Station The Arcadian NetDorks BS: is a pre-configured rack, containing all the componen necessary for operating a secure Direless netDork for communications.
1 Ov Base Station Basic Description The folloDing is a simplified )lock diagram of the three-sector Base Station.
1 OvervieD The Base Station supports three separate Transmit (TX) and :eceive (:X) :F-pat for the three sectors. Each :F path includes a transmitter and a receiver. The actu freJuencies for one- and tDo-sectors Dill )e determined )y the customer. The )asic components and process of the Base Station include: ! Downstream (transmit) path description: Signals arrive at the ]STS from the customerVs )ack)one netDork. The ]STS guad DoDnstream card output is a T signal.
1 Ov System Configuration Description The folloDing ta)le descri)es the system configuration. Parameter One-Sector Two-Sector Three-Sector Num)er of Sectors 1 2 3 Num)er of DoDnstream Channels 1 2 3 DoDnstream Channel ]idth 330 KHz 330 KHz 330 KHz DoDnstream Channel Sodulation 64 gAS 64 gAS 64 gAS DoDnstream Channel FreJuencies 757.170, 757.5, 757.830 SHz 757.170, 757.5, 757.830 SHz 757.170, 757.5, 757.
2 Base Station Components The Base Station is housed in a rack, eJuipped for three sectors. The folloDing )lo diagram descri)es the )ase station components for each sector (the ]STS serves the sectors).
! PoDer Amplifier, Dhich is connected to the :F Front )ox ! :F Front )ox, including a Diplexer and a Directional coupler Receive path components (for each sector): ! :F Front Box. The :F front )ox includes: # # # # # # Diplexer LNA1 Bandpass filter LNA2 Splitter, for Post-LNA test point DoDnconverter, Dhich doDn converts the signal from the 787-788 SHz freJuency range to 44 SHz center freJuency.
Base Station Front and Back Views Figure 4: ABSR757 front view picture 16 Figure 5: Front view diagram
Figure 6: ABSR757 Rear view picture Base Station User Guide Figure 7: Rear view interconnections
BSR Physical Components The BS: (Base Station :ack) is a complete unit, assem)led and ready to )e use D installed. The various components of the Base Station are descri)ed )eloD. Base Station Main Components The Base Station includes the folloDing main components: ! WMTS, descri)ed on page 18. ! Upconverter, descri)ed on page 22. ! PoDer Amplifier, descri)ed on page 21. ! ABSR757 RF Front box on page 22 ! Test Points, descri)ed on page 25. ! MMU (Monitoring Sodem, descri)ed on page 25.
! To extend the system, more upstream and doDnstream modules can )e inserted the ]STS. Each module consists of a universal card, a rear card (Upstream or DoDnstream), and an appropriate softDare application. TDo slots are reserved, o for the host card and one for the CkF card. The system can )e extended to any com)ination of 6 communication modules. WMTS Physical Description The ]STS is mounted in a standard 19j )y 6U high rack-mounted chassis, as illustrated in Figure 9: ]STS Chassis a Front Panel.
Figure 8: WMTS Chassis – Rear Panel 20
Figure 9: ]STS Chassis a Front Panel shoDs the ]STS chassis Dith (from left to right) Upstream module, DoDnstream module, Control and ForDard card, Host car and PoDer Supplies.
Upconverter The digital QAM Upconverter includes three independent plug-in Upconverte modules. The unit uses a common power supply. The Upconverter converts 44 MHz IF signal to the RF 757-758 band, implementing spectrum inversion. T unit utilizes high quality circuit, enabling high quality RF signal. Each Upconverter module rear panel includes IF In, RF Out and RF -30 dB tes point. The RF test point is use for permanently connect the Upconverter to th MMU (monitor modem unit), enabling BTS self test.
Figure 12: Power Amplifier Front panel (above PA Power supply) Figure 13: Power Amplifier Rear panel ABSR757 RF Front box The BS: includes three :F Front )oxes, each for a sector. The :F front )ox includes (figure 2): # Diplexer The Diplexer separates the TX/:X signal )eing transmitted to/from the ante The Diplexer supports a very high TX to :X signal separation.
# # delivers it to the DoDnconverter. The LNA module includes tDo LoD Noise Amplifiers in series. A narroD )and BPF ()and pass filter) is placed )etDeen amplifiers to improve received signal filtering. The LNA module has a fixed g Splitter, for Post-LNA :F test point DoDnconverter, Dhich doDn converts the signal center freJuency 787.5 SH 44 SHz, implementing spectrum inversion.
Test Points summary The BS: includes test points that ena)le measuring output of the DoDnstream Upconverters pre-PA, and provide :F samples of various upstream and doDnstrea signals. The folloDing ta)le lists the test points.
3 Installing the Base Station The Base Station :ack is delivered as a complete unit. All the su)-components De installed, Dired and pre-tested in the rack. The installation you need to perform con of the folloDing steps: ! Installation Prerequisites, descri)ed on page 26. ! Unpacking and Inspection, descri)ed on page 29. ! Physical Installation, descri)ed on page 30. ! Initial Operation Procedure, descri)ed on page 30. ! ! Setting the WMTS Network Properties, descri)ed on page 31.
3 Installing the Base S ! Vibration a The BS: should )e placed on a sta)le pedestal, to prevent vi)ration near)y eJuipment, such as generators. ! Power delivery a The poDer should )e capa)le of delivering 110< 2K
3 Installing the Base Station The selection, routing, and length of coaxial ca)le are extremely important in the installation. Buy the )est ca)le you can o)tain, route it via the shortest Day to the antenna, and keep it straight. Do not form it into sharp )ends on its Day. Do not us more ca)le fittings for the installation than a)solutely necessary. All cautions here eJually to all coaxial ca)les in the system, )oth input and output.
3 Installing the Base S ]e recommend that proper AC line conditioning and surge suppression )e provide the primary AC input to the poDer amplifier. All electrical service should )e installe Dith your national electrical code in your area, any applica)le provincial or state co and good engineering practice. Special consideration should )e given to lightning protection of all systems in vieD of the vulnera)ility of most transmitter sites to light Lightning arrestors are recommended in the service entrance.
3 Installing the Base Station Physical Installation Physically install the BS: according to the folloDing steps. Perform the steps in the given order: 1. FolloD all the prereJuisite reJuirements (refer to Installation PrereJuisites on page 26). 2. FolloD the unpacking and inspection instructions (refer to Unpacking and Inspe on page 29). 3. Ensure the rack is physically sta)le. 4.
3 Installing the Base S 7. Check the Upconverter front panel LEDs (PLL, IF level, :F level). The LEDs sh )e Green. 8. Connect the serial port of the PC to local monitor serial port located in front the Upconverter module. i. At the prompt (oo), type the command adc ii. The Upconverter parameters (input level, output level, voltage) Dill appe iii. Check for proper signal levels. 9. PoDer ON the PA Dith the rear panel On/Off sDitch. 10.
3 Installing the Base Station ! PC ! Crossed Ethernet ca)le (or straight if there is a sDitch )etDeen ]STS and the P Editing and Downloading the Regtree File This process includes the folloDing steps: ! Editing the :egtree file. ! Setting the netDork properties in the :egtree file. ! Compiling the :egtree file. ! :unning TFTP server. ! :unning ]mtsConfig tool. ! Connecting to the ]STS. ! DoDnloading the neD :egtree file. To edit the Regtree file: ! The regtree.
3 Installing the Base S 2. Change the folloDing entries as folloDs: ! CmtsIPAddress a IP address of the ]STS. ! CmtsSubnetMask a su)net mask of the ]STS. ! GatewayIPAddress a gateDay IP address for the ]STS. 3. To ena)le SNSP access to the ]STS, change the folloDing entries: ! DevNMAccessIP1 a IP address of Arcadian NetDorks NSS server. ! DevNMAccessCommunity a SNSP community attri)ute for authorizing the NSS.
3 Installing the Base Station Figure 16: Location of SETIP.)at 2. Copy the regtree.rtr to the directory in Dhich the ]STS image file are locat To Run the TFTP server: 1. Open the TFTP server, in this example, Pumpkin.exe. fou can )ring up the Op dialog DindoD )y clicking Options (see Figure 17). This ena)les you to chang doDnload directory. Figure 17: PumpKIN TFTP Settings 2. Change the doDnload path to the directory path of the ]STS image files and t RegTree.rtr file.
3 Installing the Base S 3. Save the TFTP server doDnload path as the default value )y exiting and then restarting the TFTP server. To Run the WMTSConfig tool: 1. Open ]STSConfig.exe tool to perform the doDnload to the ]STS. This tool is located in the …p{build}p\Tools\WMTSConfig directory of the )uild. The initial screen appears. Figure 18: ]STS Configuration Tool 2. :ight-click to display a popup DindoD from Dhich you select Activate (see Figure 18). The WMTSConfig screen is enabled.
3 Installing the Base Station Figure 19: Active ]STS Configuration Tool To Connect to the WMTS: 1. ]hile the application is active, click Connect (see Figure 19). The Connect window appears, enabling you to choose the type of connection to open (Serial or IP). Figure 20: Specifying the Connection Type 2. Connect the Ethernet ca)le from the PC to the Ethernet port on the ]STS Con k ForDard card. 3. In the Connect DindoD (Figure 20): ! Select IP address and specify the IP address of the ]STS.
3 Installing the Base S ! Enter your PC IP address in the TFTP Server IP Address field ! Enter the file name, regtree.rtr, in the Version File field. 2. Click Start Software Download. After the download command is sent to the WMTS, a message appears in the Command Log window of the WMTSConfig tool (see Figure 21). This message does NOT indicate that the download has occurred.
3 Installing the Base Station " Note: The Cisco router located in the <390iA is considered outside the Arcadian NetDorks netDork. Adding the WMTS to the NMS Once you have the ]STS permanent IP address, you should add the ]STS to th NSS. :efer to the NMS User Guide for instructions. Provisioning the Monitoring Modems The procedure for provisioning a monitoring modem is identical to any other modem provisioning. :efer to the NMS User Guide for instructions.
3 Installing the Base S " DoDnstream SN: ! 33 dB SSU Output PoDer 62 q 4 dBm< Upstream :eceived SN: ! 22 dB Note: Sore extensive :F tests can )e run using the test points (refer to Test Point Signal Verifications on page 71), and integration Dith the remote CPE modems.
4 Configuring the Base Station Caution: The Base Station arrives pre-configured. Under ordinary circumstances, there is no need to configure it. Do not reconfigure the Base Station unless it is really necessary. This chapter includes the folloDing: ! Learning the Basic Base Station Frequency Setup, descri)ed on page 43. This is important for an understanding of the any Base Station configuration. ! Configuring the WMTS, descri)ed on page 46. ! Monitoring the PA The PA includes 3 separate PA modules.
4 Configuring the Base Station Protection: false Voltage: %24.1 V (23.8/24.1/24.3) LED: Green Blocked tick: 0 Fan#2 ----! Status: BLOCKED PWM duty cycle: 0 Protection: false Voltage: %24.1 V (23.8/24.1/24.3) LED: Red Blocked tick: 13560 Power Supply1 -------------AC: OK DC: OK Temp: NORMAL PA: -Enable: true Status: activated Voltage: 27.9 V (%27.6/%28.0/%28.3f) Current: %4.2 A (%3.9/%4.1/%4.
4 Configuring the Base S BoardRev = 6 SW Ver = PA-0.0.8 HW Ver = 0 ! ipasena)lejcommand: pa_enable [0/1] ! itempsunitjcommand: temp_unit 0/1 (oC/oF) ! Configuring the Upconverter, descri)ed on page 47. Basic Base Station Frequency Setup The folloDing sections descri)e the )asic doDnstream and upstream freJuency se the Base Station. Downstream Channel Frequency Setup The ]STS doDnstream channel is configured for 330 KHz Didth at 64gAS for ea sector.
4 Configuring the Base Station The doDnstream IF freJuencies are pre-assigned at the ]STS. fou can change t settings using the DoDnstream Channel Configuration Senu of the Arcadian NetDo Configuration Tool (refer to the NMS User Guide). Upstream Channel Frequency Setup The received upstream signal from the antenna is delivered to the DoDnconverter, amplification in the LNA module. The DoDnconverter receives a fixed upstream :F freJuency (787.5 SHz) and converts it to a fixed IF freJuency (44.0 SHz).
4 Configuring the Base S Upstream Received level and SNR Setup The upstream received level and the related received :F SN: are determined )y t received level at the ]STS Hex card receiver input port, since the :F :X path (LN DoDnconverter, etc) has a constant gain. The optimum :F SN: delivers the maxim SN: for the maximum reJuired coverage. The typical :F SN: is 24 dB (for 325 KH 16gAS upstream channel and 20 miles coverage).
4 Configuring the Base Station Configuration Tools The configuration tools listed )eloD are located in the tool&utilities disk that arrives the Base Station and Dhich the technician should copy to his/her laptop. Ta)le 4: Base Station Configuration Tools Tool Configured File or Device Description ]STSConfigurationFileEditor :egtree.txt (any standard ASCII text file editor may also )e used to edit the text version of the file) :egtree.rtr (doDnloada)le version of the text file) :egtree.
4 Configuring the Base S Monitoring the PA The PA includes 3 separate PA modules. The PA parameters can )e locally or remotely controlled and monitor. The remote monitoring is through the :CU (see N instruction manual). Locally Monitoring the PA 7. In order to configure the Upconverter gain, connect the serial port of the PC to local monito serial port located in front of the Upconverter module.
4 Configuring the Base Station Current: %4.2 A (%3.9/%4.1/%4.
4 Configuring the Base S Open the Windows HyperTerminal (or other terminal) application and set the PC serial port accordi the following configuration: ! Baud rate: 19200 ! Data bits: 8 ! Parity: None ! Stop Bits: 1 ! No Flow Control 11. In order to check the current attenuation setting, at the prompt (oo), type the command >> att ATTENUATOR - rotary = 0 ATTENUATOR - setting = 6 ATTENUATOR - total = 6 ATTENUATOR - Value 6 dB 12.
5 Maintaining the Base Station Base station maintenance includes the folloDing: ! ]STS LED indications and connector/sDitch functions. ! DoDnconverter connectors and LEDs functions. ! PoDer Amplifier controls. ! PoDer and Signal level tracking to check that the values of the folloDing items ar Dithin the expected value range. ! ]STS version upgrade.
5 Saintaining the Base S WMTS LEDs and Connectors The folloDing sections descri)e the functions of the LEDs and connectors/sDitches located on the various ]STS cards.
5 Saintaining the Base Station Universal Cards LEDs and Connectors LED Color Indication Power Green ON Dhen rear card is present Cnt Green Flashing Dhen Controller and ForDarder (CkF) application is active Fwd Green Flashing Dhen Controller and ForDarder (CkF) application is active Dwnstr Green Indicating transmit data traffic Dhen channel is active (only Dhen used for doDnstream) Upstr Green Indicating receive data traffic Dhen channel is active (only Dhen used for upstream) 100M Lan OK
5 Saintaining the Base S Sharp IF Filter Card LEDs Sharp IF filter Sector 1 IN Active LED Color Indication Active Green ON Dhen ]STS poDer is on Hot Swap Red If lit, after pressing HOT S]AP sDitch, the card can )e pulled out and released Connector/Switch Type Function IN F-type Connection to 43100A doDnconverter, used to input signals for filtering OUT F-type Connection to 4-Day splitter, used to output filtered signals Hot Swap Push button :eJuest for Card release Dhile system is ON
5 Saintaining the Base Station Modulator Rear Card LEDs and Connectors The modulator card holds four ports to connect four doDnstream channels. The tD indicators are specific for each channel, Dhile the hot sDap indicator is common to card.
5 Saintaining the Base S Demodulator Card LEDs and Connectors The demodulator card holds six ports to connect six upstream channels. The tDo t indicators are specific for each channel, the hot sDap is common to the card.
5 Saintaining the Base Station Power Amplifier Controls The PoDer Amplifier controls include the folloDing: PA Front Panel local :S232 Controls PA :ear Panel Controls ! DC Main ON/OFF a DC rocker sDitch (SPST) to supply DC to the PA )ox ]hen Sain DC is supplied )ut the DC ON/OFF sDitch of specific PA module is O the rear panel DC LED Dill )e :ED. ! DC ON/OFF per module a DC rocker sDitch (SPST) to supply DC to each PA module.
5 Saintaining the Base S Upgrading the WMTS Software " Note: In general, the application upgrade process is intended for trained technical support people Dho have authorization to perform ]STS installation and upgrades The softDare/firmDare upgrade includes update of the control, upstream and doDnstream applications on the universal cards. The upgrade process includes the folloDing steps: 1. Edit and compile the :egtree.
5 Saintaining the Base Station Figure 22: DoDnload of ]STS Image File 3. Click Start Software Download. 4. Sonitor the TFTP application DindoD (see Figure 23) to verify that doDnload to ]STS has occurred. Figure 23: TFTP DoDnload Sessage 5. ]hen the file transfer is complete, click System Restart in the ]STS Configur Tool DindoD (see Figure 24).
5 Saintaining the Base S " Note: The ]STS Dill not execute a System :estart command )efore the file trans complete. Verify that the last line in the Command Log window is ‘WMTS Restart'. The W reboots and uses the new RegTree.rtr file to configure itself. Figure 24: System :estart Sessage " Note: The ]STSConfig Command Log only displays messages sent to the ]STS does not knoD Dhether any of the commands succeeded.
5 Saintaining the Base Station Figure 25:
5 Saintaining the Base S This device complies Dith Part 15 of the FCC :ules.
6 Troubleshooting This chapter provides trou)leshooting information. On-Site Troubleshooting General Troubleshooting Guidelines The first and most important aspect of trou)leshooting is to )e systematic. Note Dh you looked and Dhat you found. Look first for the o)vious. ! Sake a physical inspection of the entire facility.
6 Technical Specifications 64 Symptom Possible Fault Correction Upconverter LCD display not lit PoDer cord not properly connected Check poDer cord connection.
6 Technical Specific Symptom Possible Fault Correction Upconverter freJuency value in LCD display not correct The value Das changed )y mistake. Set the freJuency to the correct value (746.5 SHz). For instructions, refer to Monitoring the PA The PA includes 3 separate PA modules. The PA parameters can )e locally or remotely controlled and monitor. The remote monitoring is through the :CU (see NSS instruction manual). Locally Monitoring the PA 15.
6 Technical Specifications Symptom Possible Fault PoDer Amplifier LED k fan not operating AC poDer not connected to the PoDer Amplifier Correction 3. Check poDer cord connection. 4. Check UPS operation.
6 Technical Specific Symptom Possible Fault Correction SSU acJuires doDnstream signal, )ut doesnVt finish upstream registration process Upstream spectrum Inversion is not ON Check the Spectrum Inversion )ox on the Arcadian NetDorks Configuration Tool Upstream menu (refer to the NMS User Guide for instructions). It should )e ON. ]hen the HIGH :EFLECTED PO]E: message appears, the PA shuts doDn for f minutes, after Dhich it turns )ack on and checks again for high
6 Technical Specifications ! 2 - Default mapping ! 3 - Address acknoDledge ! 4 - End of mapping ! 5 - N/A ! 6 - Semory address ! 7 - End of memory doDnload ! 8 - End of address mapping ! 9 - End of initialization CkF Card LED Indicators Function 68 LED Status Cnt Fwd Dwnst Upst Set card )ase address Off Off Off On Set DindoD )ase address Off Off On Off Set doDnload address Off Off On On DoDnload application to card Off On Off On DoDnload firmDare Off On On On Set entry point
6 Technical Specific WMTS Troubleshooting Symptom Recommended Action None of the LEDs are on 1. Check the On/Off SDitch and see that its state is ON. 2. Check if the poDer ca)le is connected. 3. Check the fuse )ox and see if the fuses are conducti)le. 4. If all of the a)ove is Dorking properly, call a technician. The LEDs in one of the card are not on 1. Check if the card is inserted properly. 2.
6 Technical Specifications Remote Troubleshooting Via the NMS There are several parameters that are measured )y either the ]STS or the SSU. These parameters are polled periodically )y the NSS, and kept in a data)ase for statistics. A threshold can )e set for some of these parameters. ]hen such a thres is crossed, the NSS issues an alarm event. The folloDing is a list of these paramet and their functionality.
6 Technical Specific NMS Troubleshooting Tests – Troubleshooting Procedur The folloDing are trou)le shooting procedures for cases Dhere the measuremen differ from the expected levels. Note that the FAT results for the device are inclu in the package. Parameter Expected Value Possible Fault Correction DoDnstream :eceived PoDer - 16 q 3 dBm< Fault in one of the folloDing: ]STS DS card, Upconverter, PA, splitters, ca)les and connectors.
6 Technical Specifications " Note: The folloDing tests should )e performed )y a trained technician only. Thes tests reJuire external eJuipment such as a cali)rated Spectrum Analyzer.
A Technical Specific A Technical Specifications BRS-757 Base Station Specifications General RF Parameter Specification Dimensions 23j Didth x 90j height x 27.
A Technical Specifications WMTS Specifications Mechanical IF Interfaces Performance Parameter Specification Sounting :ack mount Dimensions 19j x 15j x 15j, 48.
A Technical Specific Downconverter Specifications Parameter Specification Input freJuency 787.5 SHz Output FreJuency 44 SHz Spectrum inversion fes Flatness d 44 q1SHz q0.3 dB FreJuency accuracy y3 KHz Gain 18 dB Phase noise {dBc/Hz| ! -80 d 500 Hz ! -95 d 1 KHz ! -100 d10KHz ! -105 d100KHz Output P1dB z10 dBm Supply 6.
A Technical Specifications Upconverter Specifications Upconverter specifications: Parameter Specification RF parameters Input freJuency 44 SHz Output freJuency 757.5 SHz LO freJuency 801.
A Technical Specific Upconverter Pin 1 a Data 1 Pin 2 a Data 2 Pin 3 a GND :S232 Front panel connector per Upconverter Plug connector 6 pins: Pin 1 a DC IN Pin 2 a GND Pin 3 a Data 1 Pin 4 a Data 2 Dimension ]idth Height Depth PoDer supply (internal) 110/220
A Technical Specifications Electrical Characteristics Physical characteristics Fan General Parameter Specification Spurious emission o 60 dBc Harmonic suppression o 60 dBc Input :F connector SSA Output :F connector N-Type ESI Filtered max AC poDer 7A AC Sax, 110< Sinimal rack space 4U ]eight 3 Kg Operating temperature 32F to z122F, Num)er of fans per PA module one in operation, second for )ackup Operating voltage and poDer 24 <, 1.
A Technical Specific Base Station User Guide
A Technical Specifications 80
