ADC Telecommunications DVLRCSSMR Digivance Long Range Coverage Solution SMR System User Manual 75134

ADC Telecommunications Inc Digivance Long Range Coverage Solution SMR System 75134

Part 2 new manual

ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-11©2002, ADC Telecommunications, Inc.Figure 2-4. Remote Unit Cabinet User InterfaceBOTTOM VIEWOF CABINET(7) GFCI OUTLET(4) DOORSWITCH(1) AIR INLET FILTER(2) AC POWER CORD(3) CIRCUIT BREAKERRESET SWITCH(5) MODULE MOUNTINGSHELF(6) BATTERY TRAY(8) FIBER SLACKSPOOL(9) ANTENNACONNECTOR(10) FIBER CABLECONNECTOR (11) THREADS FORAC CONDUIT FITTING (12) GROUNDING LUG16793-AFCC ID: F8I-DVLRCSSMR Class II Permissive ChangeManual - Part 2
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-12©2002, ADC Telecommunications, Inc.4 SPECTRUM TRANSPORT MODULEThe Spectrum Transport Module (STM), shown in Figure 2-5,serves as the handset servicingdevice for the Digivance LRCS. The STM provides the following basic functions:• Provides RF transmit and receive connections to the Dual Duplexer/Splitter.• Provides optical connections to the HU.•Convertsthe digitized forward path optical signal to adigitized RF signal.•Convertsthe digitized RF signal to acomposite RF signal.• Digitizes the reverse path composite RF signal.•Convertsthe digitized reverse path RF signal to adigitized optical signal.• Provides an RS-232 connection to alocal EMS computer.• Transports alarm, control, and monitoring information via the optical fibers.• Provides an AC power connection and battery power connection.• Provides external alarm connection.Table 2-2. Remote Unit Cabinet User InterfaceREF NO DEVICE FUNCTIONAL DESCRIPTION1Airinlet filter A reusable filter that prevents the entry of dirt particles when out-side air is pulled into the cabinet for cooling.2ACpower cord Provides AC power to the STM.3 Circuit breaker reset switch Used to reset the battery heater circuit following correction of anovercurrent condition.4Doorswitch Indicates to the fault detection and alarm reporting system if thecabinet door is open (major alarm) or closed.5 Module mounting shelf Provides amounting point for the STM and LPA modules.6Batterytray Provides amounting point for the back-up battery (when used).7120Vac GFCI outlet(standard)Standard 120 Vac GFCI outlet for connecting AC power tools ortest equipment.8Fiberslack spool Provides astorage place for excess fiber pigtail slack.9 Antenna connector Provides lightning surge protection for the antenna connection.10 Fiber cable connector Provides both an entry point and strain relief for the fiber opticcable.11 3/4-inch NPT threaded hole Provides aconnection point for a3/4-inch AC conduit fitting.12 Grounding lug Provides aconnection point for an external grounding cable.
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-13©2002, ADC Telecommunications, Inc.Figure 2-5. Spectrum Transport Module4.1 Primary ComponentsThe STM consists of an electronic circuit board assembly, power supply, and fan assembly thatare mounted within apowder-coated sheet metal enclosure. The metal enclosure provides amounting point for the electronic components and controls RF emissions. Except for the fanunit, the electronic components are not user replaceable. The STM is designed for use withinthe RU cabinet. Except for the LPA interface connector, all controls, connectors, indicators, andswitches are mounted on the STM front panel for easy access. Acarrying handle is provided onthe front of the STM to facilitate installation and transport.4.2 MountingThe STM mounts on ashelf within the RU cabinet. Arunner on the bottom of the STM mesheswith atrack on the mounting shelf. The runner and track guide the STM into the installedposition. The electrical interface between the STM and LPA is supported by aD-sub femaleconnector located on the rear side of the STM. Acorresponding D-sub male connector mountedat the rear of the RU cabinet mounting shelf mates with the STM connector. Captive screws areprovided for securing the STM to the mounting shelf.17620-A.eps
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-14©2002, ADC Telecommunications, Inc.4.3 Fault Detection and Alarm ReportingThe STM detects and reports the following faults: remote unit fault, optical fault, power fault,temperature fault, power amplifier fault, and external (door open) fault. Various front panelLight Emitting Diode (LED) indicators turn from green to red or yellow if afault is detected.The status of the STM, the alarm state (major or minor), and other more detailed alarminformation is summarized and reported over the fiber optic link to the HU and also over theservice interface. In addition, the alarm state of the HU is received over the fiber optic link andreported to the service interface. This detailed information may be accessed remotely throughthe NOC/NEM interface or locally through the EMS software MI.4.4 RF Signal Cable ConnectionsTransmit and receive coaxial cable connections between the STM and the DDS are supportedthrough three N-type female connectors. The TX connector is used for the RF forward pathtransmit signal connection. The RX1 connector is used for the RF reverse path primary receivesignal connection. The RX2 connector is used for the RF reverse path diversity receive signalconnection. All coaxial jumper cables are provided with the DDS.4.5 RF Signal Level AdjustmentThe STM is equipped with adigital attenuator for adjusting the signal level of the forward pathRF output signal. The remote forward path attenuator adjusts the level of the output RF signalat the RU antenna port and will add from 0to 20 dB of attenuation to the output signal level.The attenuator can be set in 1dB increments. The attenuator is software controlled and isadjusted through the NOC/NEM interface or the EMS software MI.4.6 Optical Signal ConnectionsOptical connections between the STM and the HU are supported through three SC-type opticalconnector ports. Port 1is used for the forward path optical signal connection. Port 2is used forthe reverse path primary optical signal connection. Port 3is used for the reverse path diversityoptical signal connection.4.7 Service Interface ConnectionThe service interface connection between the STM and alocal laptop computer loaded with theEMS software is supported by asingle DB-9 female connector. The service interface connectorprovides an RS-232 DTE interface. The STM service interface connector supports localcommunications with both the STM and the corresponding HU.4.8 PoweringThe STM is powered by 120 or 240 Vac (50 or 60 Hz) power which is supplied through athree-conductor AC power cord. The power cord is provided with the RU cabinet. One end of the cordis hard-wired to the AC power outlet box and the other end is terminated with amolded-on plug
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-15©2002, ADC Telecommunications, Inc.cap. The power cord connects to a3-wire AC cord connector mounted on the STM front panel.Aswitch on the STM front panel provides AC power On/Off control.The STM (and the connected LPA) may be powered by a24 Vdc back-up battery system whichis available as an accessory kit. Aconnector is provided on the STM front panel for connectingthe wiring harness for the back-up battery system.4.9 CoolingContinuous air-flow for cooling is provided by asingle fan mounted on the rear side of the STMhousing. An alarm is provided that indicates if ahigh temperature condition (>50º C/122º F)occurs. If the temperature falls below 32º F(0º C), the fan automatically shuts off. The fan maybe field replaced if it fails.4.10 User InterfaceThe STM user interface consists of the various connectors, switches, and LEDs that areprovided on the STM front panel. The STM user interface points are indicated in Figure 2-6 anddescribed in Table 2-3.Figure 2-6. Spectrum Transport Module User Interface17621-A(4) ON/OFFSWITCH(5) AC POWERCONNECTOR(6) DC POWERCONNECTOR(1) PORT 1CONNECTOR(2) PORT 2CONNECTOR(3) PORT 3CONNECTOR(7) SERVICECONNECTOR(8-15) LEDINDICATORS(16) ALARMCONNECTOR(17) POWERMONITORCONNECTOR(18) PRIMARYRECEIVERCONNECTOR(19) DIVERSITYRECEIVERCONNECTOR(20) TRANSMITTERCONNECTOR
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-16©2002, ADC Telecommunications, Inc.Table 2-3. Spectrum Transport Module User InterfaceREF NOUSER INTERFACE DESIGNATION DEVICE FUNCTIONALDESCRIPTION1PORT1SCconnector(single-mode) Connection point for the forward path opticalfiber.2PORT2SCconnector(single-mode) Connection point for the reverse path primaryoptical fiber.3PORT3(diversity unit only) SC connector(single-mode) Connection point for the reverse path diversityoptical fiber.41/0 On/Offrockerswitch Provides AC power on/off control.5Nodesignation 3-wire AC powercord connector Connection point for the AC power cord.6Nodesignation 2- wire DC powercord connector Connection point for the back-up battery powercord.7 SERVICE DB-9 connector(female) Connection point for the RS-232 service inter-face cable.8ACPOWER Multi-colored LED(green/red)Indicates if the STM is powered by the AC powersource (green) or the back-up battery system(red). See Note.9 STANDBY Multi-colored LED(green/yellow/red)Indicates if the system is in the Normal state (off)Standby state (blinking green), Test state (blink-ing red), or Program Load state (blinking yel-low). See Note.10 HOST UNIT Multi-colored LED(green/yellow/red)Indicates if no alarms (green), aminor alarm(yellow), or amajor alarm (red) is detected at theHU. See Note.11 STM Multi-colored LED(green/yellow/red)Indicates if the STM is normal (green) or faulty(red). See Note.12 PA Multi-colored LED(green/yellow/red)Indicates if the power amplifier is normal(green), over temperature (yellow), has afan fail-ure (yellow), or is faulty (red). See Note.13 VSWR Multi-colored LED(green/yellow/red)Indicates if the forward path VSWR is above(red) or below (green) the fault threshold.14 PORT 1/PORT 2 Multi-colored LED(green/yellow/red)Indicates if the forward path optical signalreceived from the HU is normal (green), if no sig-nal is detected (red), or if errors are detected(red). See Note.15 PORT 3(diversity unit only)Multi-colored LED(green/yellow)Indicates if the diversity reverse path optical sig-nal received by the HU is normal (green), if nosignal is detected (yellow), or if errors aredetected (yellow). See Note.16 ALARM IN MINORALARM IN MAJORScrew-type terminalconnector (14–26AWG)Connection point for two external alarm inputs.The door-open switch lead wires are typicallyconnected to the major alarm terminals.17 No designation RJ-45 jack Connection point for the power monitor cable.
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-17©2002, ADC Telecommunications, Inc.5 LINEAR POWER AMPLIFIERThe Linear Power Amplifier (LPA), shown in Figure 2-7,works is conjunction with the STM toamplify the forward path RF output signal. The STM is interfaced with the LPA through the D-sub connectors and wiring harness located at the rear of the RU cabinet. The RF signal is passedto the LPA for amplification and then passed back to the STM for output via the STM’stransmitter (TX) port. The STM also supplies DC power to the LPA through the same interface.Figure 2-7. Linear Power Amplifier18 TX N-type female RFcoaxial connector Connection point for the DDS forward pathtransmitter cable.19 RX1 N-type female RFcoaxial connector Connection point for the DDS reverse path pri-mary receiver cable.20 RX2 N-type female RFcoaxial connector Connection point for the DDS reverse path diver-sity receiver cable.Note: Amore detailed description of LED operation is provided in Section 5.Table 2-3. Spectrum Transport Module User Interface, continuedREF NOUSER INTERFACE DESIGNATION DEVICE FUNCTIONALDESCRIPTION16798-A
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-18©2002, ADC Telecommunications, Inc.5.1 Primary ComponentsThe LPA consists of several electronic circuit board assemblies and two fan assemblies that aremounted within apowder-coated sheet metal enclosure. The metal enclosure provides amounting point for the electronic components and controls RF emissions. Except for the fanunits, the electronic components are not user replaceable. The LPA is designed for use withinthe RU cabinet. Except for the STM interface connector, all controls, indicators, and switchesare mounted on the LPA front panel for easy access. Acarrying handle is provided on the frontof the LPA to facilitate installation and transport.5.2 MountingThe LPA mounts on ashelf within the RU cabinet. Runners on the top and bottom of the LPAmesh with tracks on the mounting shelf. The runners and tracks guide the LPA into the installedposition. The electrical interface between the STM and LPA is supported by aD-sub femaleconnector located on the rear side of the LPA. Acorresponding D-sub male connector mountedat the rear of the RU cabinet mounting shelf mates with the LPA connector. Captive screws areprovided for securing the LPA to the mounting shelf.5.3 Fault Detection and Alarm ReportingThe LPA in conjunction with the STM detects and reports the following faults: power amplifierfault, output power fault, temperature fault, and fan fault. Various Light Emitting Diode (LED)indicators located on the front panels of both the STM and LPA turn from green to red or yellowif an LPA fault is detected. In addition, adigital display located on the LPA front panel providesvarious fault messages. The status of the LPA, the alarm state (major or minor), and other moredetailed information is summarized and reported (by the STM) over the fiber optic link to theHU and also to the service interface. This detailed information may be accessed remotelythrough the NOC/NEM interface or locally through the EMU software MI.5.4 PoweringThe LPA is powered by various DC voltages which are supplied by the STM over the electricalinterface provided by the D-sub connectors and wiring harness mounted within the RU cabinet.5.5 CoolingContinuous air-flow for cooling is provided by apair of fans mounted at the front and the rearside of the LPA housing. The front fan pulls cool air into the module and the rear fan exhaustsheated air out of the module. An alarm is provided that indicates if ahigh temperature condition(>50º C/122º F) occurs or if afan failure occurs. Either fan may be field replaced if it fails.5.6 User InterfaceThe LPA user interface consists of the various LEDs, message displays, and switches that areprovided on the LPA front panel. The LPA user interface points are described in Table 2-4 andindicated in Figure 2-8.
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-19©2002, ADC Telecommunications, Inc.Figure 2-8. Linear Power Amplifier User InterfaceTable 2-4. Linear Power Amplifier User InterfaceREF NOUSER INTERFACE DESIGNATION DEVICE FUNCTIONALDESCRIPTION1 RESET Momentary contactpush button switch Momentarily pressing the switch push buttonclears all alarms and restarts the amplifier2RFON OFF 2-position switch Placing the switch in the OFF position puts theLPA in astandby state with RF output disabled.Placing the switch in the ON position puts theLPA in the normal state with RF output enabled.3FAIL LEDindicator(yellow) Indicates the LPA is normal (off) or faulty(yellow).4 SHUTDOWN LED indicator (red) Indicates the LPA is in service (off) or shutdown(red).5Nodesignation Digital display Provides status and alarm messages. See Note.Note: Amore detailed description of the digital display messages is provided in Section 5.(1) RESETSWITCH(2) RF ON/OFFSWITCH(3) FAILLED(4) SHUTDOWNLED(5) DIGITALDISPLAY16804-A
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-20©2002, ADC Telecommunications, Inc.6 DUAL DUPLEXER/SPLITTERThe Dual Duplexer/Splitter (DDS), shown in Figure 9, serves as an interface device between theSTM and the primary and diversity antennas. The DDS provides the following basic functions:• Provides aforward path RF transmit signal connection for the STM.• Splits the forward path RF transmit signal for distribution to the two duplex filters.• Provides aprimary and diversity reverse path RF receive signal connection for the STM.• Duplexes the forward transmit and primary reverse path signals for connection to theprimary antenna.• Duplexes the forward transmit and diversity reverse path signals for connection to thediversity antenna.• Provides RF signal connections to the primary and diversity remote antennas• Provides switch selectable power level monitoring of the transmit signal at the primaryand diversity antenna ports.Figure 2-9. Dual Duplexer/Splitter6.1 Primary ComponentsThe DDS consists of an RF signal splitter, apair of duplex filters, RF power monitor interface,and asheet metal enclosure with integral mounting bracket. The DDS is designed for use withinthe RU cabinet. The sheet metal enclosure provides amounting point for the DDS componentsand ameans for securing the DDS within the cabinet. Cable connectors are mounted on the top,front, left, and right sides of the DDS. The RF power monitor interface is mounted on the frontside of the DDS for easy access. The various components of the DDS are not user replaceable.17622-A
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-21©2002, ADC Telecommunications, Inc.6.2 MountingThe DDS mounts within the RU cabinet just below the STM and LPA modules and in front ofthe battery tray. Screws are provided with the DDS for securing the DDS mounting bracket tothe bottom of the cabinet.6.3 Transmit Signal ConnectionsThe transmit signal connection to the DDS is through the RF signal splitter which is mounted ontop of the DDS enclosure. The splitter is equipped with N-type female connectors for both theinput and the output connections. The forward path transmit signal is supplied to the splitterinput connector over acoaxial jumper cable. The signals from the splitter output connectors aresupplied to the duplex filters. The duplex filters are equipped with SMA-type female connectorsfor the transmit signal connections. Apair of hybrid-type coaxial jumper cables are used to linkthe splitter output connectors to the duplexer input connectors. All cables required for thetransmit signal connections are provided with the DDS.6.4 Receive Signal ConnectionsThe receive signal connections to the DDS are through apair of SMA-type female connectors.Aseparate connector is mounted on each duplex filter. The primary receive signal is supplied toduplexer 1. The diversity receive signal is supplied to duplexer 2. Apair of hybrid-type coaxialjumper cables are used to link the STM receiver connectors to the duplexer receive connectors.All cables required for the receive signal connections are provided with the DDS.6.5 Antenna Cable ConnectionsThe antenna cable connections to the DDS are through apair of N-type female connectors. Aseparate connector is mounted on each duplex filter. Duplexer 1connects to the primary (1)antenna. Duplexer 2connects to the diversity (2) antenna. The DDS does not connect directly tothe antennas but instead connects to apair of lightning protectors that are mounted on thebottom of the RU cabinet (see Section 3.5). Apair of coaxial jumper cables are provided(included with the DDS) for connecting the duplexer connectors to the lightning protectors.6.6 RF Power Level MonitorThe DDS provides apair of LED indicators that show when the antenna ports are beingmonitored for the RF power level and also aswitch for selecting which port (ANT 1or ANT 2)will be monitored or if both ports will be monitored. Each LED indicator turns on (green) toindicate when the monitor function is active and off to indicate when the monitor function isinactive. The power monitor switch is used to manually select whether both antenna ports willbe monitored (switch in center position) or if only one port will be monitored (switch in eitherANT 1or ANT 2position). When both ports are monitored, the STM will monitor one port for10 seconds and then monitor the other port for ten seconds.
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-22©2002, ADC Telecommunications, Inc.6.7 User InterfaceThe DDS user interface consists of the various connectors, LEDs, and switches that areprovided on the exterior of the DDS. The DDs user interface points are indicated in Figure 2-10and described in Table 2-5.Figure 2-10. Dual Duplexer/Splitter User InterfaceFRONTRIGHT LEFT(1) DUPLEXER 1RECEIVECONNECTOR(3) DUPLEXER 1TRANSMITCONNECTOR(7) DUPLEXER 1ANTENNACONNECTOR(8) DUPLEXER 2ANTENNACONNECTOR(2) DUPLEXER 2TRANSMITCONNECTOR(4) DUPLEXER 2TRANSMITCONNECTOR(6) SPLITTER TRANSMITINPUT CONNECTOR(5) SPLITTER TRANSMITOUTPUT CONNECTORS(9) POWER MONITORCABLE CONNECTOR(10 & 11) POWERMONITOR LEDS(12) POWERMONITOR SWITCH17635-A
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-23©2002, ADC Telecommunications, Inc.7 DIGIVANCE ELEMENT MANAGEMENT SYSTEMThe Digivance Element Management System (EMS) is anetwork management tool that providescontrol and monitoring functions for the Digivance LRCS system. The EMS is used to provisionand configure new systems for operation, set system operating parameters, get system alarm andstatus messages, and upgrade the system software. The EMS supports both local control by anon-site service technician and remote control by aNetwork Operations Center (NOC).7.1 Primary ComponentsThe EMS, shown in Figure 2-11,consists of aPC-type desk-top computer (not provided) that isloaded with the EMS software. The EMS software is stored on aCD-ROM that is shipped withthe HU. The EMS software must be installed on the EMS computer along with the Java 2Version 1.3.1 Runtime Environment software which is also provided. Installation consists ofinserting the CD-ROM into the computer’s CD-ROM drive and then running the software installprograms. This places the Java 2Runtime Environment and EMS software files in assignedfolders on the computer’s hard drive.Table 2-5. Dual Duplexer/Splitter User InterfaceREF NOUSER INTERFACE DESIGNATION DEVICE FUNCTIONALDESCRIPTION1RX1 SMAconnector(female) Connection point for the reverse path receivecoaxial cable.2RX2 SMAconnector(female) Connection point for the reverse path diversityreceive coaxial cable.3TX SMAconnector(female) Connection point for the duplexer 1forward pathtransmit coaxial cable.4TX SMAconnector(female) Connection point for the duplexer 2forward pathtransmit coaxial cable.5Nodesignation N-type connector(female) Connection point for the duplexer 1forward pathtransmit coaxial cable.6Nodesignation N-type connector(female) Connection point for the duplexer 2forward pathtransmit coaxial cable.7 ANTENNA 1 N-type connector(female) Connection point for the antenna 1(primary)coaxial cable.8 ANTENNA 2 N-type connector(female) Connection point for the antenna 2(diversity)coaxial cable9Nodesignation RJ-45 connector(female) Connection point for the power monitor cable.10 ANT 1LEDindicator(green) Indicates if antenna port 1is being monitored(green) or not (off).11 ANT 2LEDindicator(green) Indicates if antenna port 2is being monitored(green) or not (off).12 No designation 3-position switch Switch to select whether antenna port 1(ANT 1),antenna port 2(ANT 2), or both antenna ports(center) will be monitored.
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-24©2002, ADC Telecommunications, Inc.Figure 2-11. Alarm Network UnitThe EMS software may also be installed on aPC-type lap-top computer (not provided). Alap-top version of the EMS computer can be used as aportable network management tool forservice and maintenance purposes. Alaptop EMS can be connected temporarily to asystem toenter the initial configuration data or to trouble-shoot problems and then removed when the taskis completed. Permanent control and monitoring functions would be provided by the desk-topEMS computer.7.2 Service Interface ConnectionThe service interface connection between the EMS computer and the HU or RU requires thatthe EMS computer be equipped with aDB-9 connector that is configured to provide an RS-232DCE interface. Astraight-through RS-232 interface cable (accessory item) equipped with amale DB-9 connector on one end and aPC-compatible connector on the other end is required tolink the EMS computer to the HU. When multiple HUs are networked together, the EMScomputer may be connected to the service connector on any one of the networked HUs.7.3 NOC Interface ConnectionThe NOC interface connection between the EMS computer and the NOC requires that the EMScomputer be equipped with aconnector that is configured to provide an RS-232 ASCIIinterface. The link between the EMS computer and the NOC would generally be supported by adata network or dial-up modem. Cables and equipment (not provided) to support the RS-232interface connection between the EMS computer and the data network or dial-up modem arerequired.CD-ROM WITH EMSSOFTWAREORPLUS16803-A
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-25©2002, ADC Telecommunications, Inc.7.4 EMS Software User InterfaceThe EMS software provides two user interfaces: the Maintenance Interface (MI) and theNetwork Operation Center-Network Element Manager (NOC/NEM) interface. Both interfacesprovide essentially the same functionality except only the MI can upgrade the HU/RU systemwith new system software. In addition, only the NOC/NEM interface can record and playbackalarm data.The MI is agraphical user interface that is presented at the EMS computer or on alaptopcomputer. The MI is used for local control and monitoring operations. The MI presents aseriesof displays and screens, such as the one shown in Figure 2-12,to provide the user with alarmand status information and to allow the user to set various operating parameters.Figure 2-12. EMS Maintenance Interface Host/Remote DisplayThe NOC/NEM interface is acommand line interface that is presented at an NOC terminal. TheNOC/NEM interface is used for remote control and monitoring operations. The NOC/NEMinterface consists of ASCII text strings that are input as SET or GET commands which arefollowed by the action or information required. Atext string response is received from thespecified system or systems to confirm the requested action or to report the requestedinformation. Examples of several typical NOC-MEM interface commands and the responsesreceived are shown in Figure 2-13.The NOC/NEM interface requires only aVT100 terminal/emulator or aPC-type computer that is loaded with acommunication software such asProcomm Plus. While primarily intended for use at the NOC, the NOC/NEM interfacecommands may also be input from the EMS computer.
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-26©2002, ADC Telecommunications, Inc.Figure 2-13. NOC/NEM Interface Typical Commands8 SPECIFICATIONSRefer to Table 2-6 for the Digivance LRCS system typical specifications. All specificationsapply after afive minute warm-up period.Table 2-6. System Typical SpecificationsPARAMETER SPECIFICATION REMARKSOptical - All UnitsFiber type 9/125, single-mode, darkNumber of fibers requiredNon-diversity with WDMDiversity with WDMNon-diversity without WDMDiversity without WDM1223The wavelength division multi-plexer (WDM) is an accessoryitem.Forward path wavelength 1550 ±20 nmReverse path wavelength 1310 ±20 nmDiversity path wavelength 1310 ±20 nmOptical budget 17 dB typicalSystem optical maximum –7 dBmOptical connectors Industry standard SC Host, remote, and WDM
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-27©2002, ADC Telecommunications, Inc.RF Forward Path - SMR 800 MHzSystem bandwidth 15 MHzFrequency range 851 to 866 MHzGain of host/remote link 80.85 dB at band center androom temperature Includes power amplifier.Gain flatness 1.5 dB across freq. range1dB variation across any 1.25MHz channelGainvariation 1.5 dBovertempandunit-to-unitGain adjustment Software adjustable in 20 stepsof 1dBOut-of-band rejection –40 dB bandwidth <30 MHzPropagation delay < 6µsmaximum Excludes fiber delay.Variable propagation delayadjustability Software adjustable in 1µsincre-ments over a 0 to 63 µsrangeSpurious free dynamic range –60 dBcTx peak to average 10 dBIntermodulation –55 dBc at remote outputMaximum composite RF inputsignal level –20 to –40 dBm, adjustable in 1dB increments(The host requires a–40 dB inputsignal level)–40 dBm with host attenuator at0dB–20 dBm with host attenuator at20 dBTxpathinsertionloss 6.0 dBOutput power 50 Watts at power amplifier out-put12 Watts (40.85 dBm) at eachDDS antenna portRF Reverse Path - SMR 800 MHzSystem bandwidth 15 MHzFrequency range 806 to 821 MHzGain 30 dB at band centerGain flatness 1.5 dB across frequency range<1dB variation across any 1.25MHz channelGain variation 3 dB over temperature and unit-to-unitOut-of-band rejection –40 dB bandwidth <30 MHzPropagation delay < 6µsmaximum Excludes fiber delayVariable propagation delayadjustability Software adjustable in 1µsincre-ments over a 0 to 63 µsrangeTable 2-6. System Typical Specifications, continuedPARAMETER SPECIFICATION REMARKS
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-28©2002, ADC Telecommunications, Inc.Intermodulation –62 dBcSystem noise figure 8 dBComposite RF output level –10 to –30 dBm, adjustable in 20steps of 1 ± 0.25 dB increments With –40 dBm maximum com-posite input signal level at theremote unit.Dynamic range 70 dB (two carriers)Physical/Environmental/Electrical - Host UnitDimensions (H×W×D) 3.5 × 17.2 × 15.3 inches(89 ×437 ×389 mm) Dimension for width does notinclude the mounting bracketswhich can be installed for either19- or 23-inch racks.Mounting 19- or 23-inch rack EIA or WECOWeight 18 lbs. (8.2 kg)Weather resistance Indoor installation onlyOperating temperature 0º to 50º C(32º to 122º F)Storage temperature –40º to 70º C(–40º to 158ºF)Humidity 10% to 90% No condensationExternal alarm connector Screw-type terminals NO and NC relay contactsDC power connector Screw-type terminal stripRF coaxial cable connectors N-type (female)Service connector DB-9 (female) RS-232 DTE interfaceCAN connectors RJ-45 jackPower input ± 24 or ±48 VdcPower consumption 55 wattsCurrent rating 1 Amp at –48 VdcReliability at 25ºC MTBF 80,000 hours Excluding fansPhysical/Environmental/Electrical - Remote UnitCabinet dimensions (H×W×D) 28.4 × 17.4 × 24.9 inches(721 ×442 ×632 mm)Mounting Wall or pole Pole mounting requires the polemount kit. (accessory)Weight 120 lbs (54.4 kg) Includes modules but not batteryWeather resistance NEMA-3R, removable dust filterOperating temperature –30º to 50º C(–22º to 122º F)Storage temperature –40º to 70º C(–40º to 158ºF)Humidity 10% to 90% No condensationExternal alarm connector Screw-type terminals External alarm inputsTable 2-6. System Typical Specifications, continuedPARAMETER SPECIFICATION REMARKS
ADCP-75-134 • Issue A • April 2002 • Section 2: DescriptionPage 2-29©2002, ADC Telecommunications, Inc.AC power connection 3/4- or 1/2-inch conduit Per local code or practice.Antenna cable connector N-type (female)Fiber optic cable size 0.375 to 0.875 inch (10 to 22mm) diameter cable 9/125, single-mode, darkLightning protection 20 kA IEC 1000-4-5 8/20 µswaveformService connector DB-9 (female) RS-232 DTE interfaceBattery backup operation 1 hourPower input 120 or 240 VAC , 50 or 60 Hz Operation on 240 VAC requiresremoval of the 120 VAC outlet.Power consumption 1200 wattsCurrent rating 9 Amps at 120 VacReliability at 25ºC MTBF 50,000 hours Excluding fans, battery, and airfilterTable 2-6. System Typical Specifications, continuedPARAMETER SPECIFICATION REMARKS
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