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Black Box MWU2000-G703, MWU2000-X21, MWU2000-V35 manual 129, To supply DC input through the RF cable

Models: MWU2000-G703 MWU2000-X21 MWU2000-V35

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2.048Mbps Wireless Modem

Figure D-2. Jumper Setting for 12 VDC Power Supply

To supply DC input through the RF cable

1.Connect the RF + Power Cable directly to the RF input in the Receive Amplifier.

2.Set the jumper Jp1 in the Rx Radio module to 12 VDC.

Figure D-3. Receive Amplifier powered via the RF cable Connection Diagram

TECHNICAL: 0118 931 2233

129

Image 129

Black Box MWU2000-G703, MWU2000-X21, MWU2000-V35 manual 129, To supply DC input through the RF cable

Contents

Basingstoke Road, Reading, Berkshire RG2 0QN 0118 965Sales 0118 965 048Mbps Wireless Modem048Mbps Wireless Modem Contents Set-up and Configuration Properly General About this Manual IntroductionProduct Description 2.048Mbps Wireless ModemSeamless Communication Error-Free Data TransferVersatility High Speed Communication048Mbps Wireless Modem Benefits Choice of Antennas, Cables and RF Accessories048Mbps Wireless Modem Components Co-locationRS530 Line Interface UnitFractional T1 With Echo Cancellation Fractional E1 with Echo CancellationModem Separate DSP Transmit and Receive Modems Adaptive EqualizationAntennas RadioFront Panel Indicators GeneralLine RXD and TXD Rx SyncTX Sync 048Mbps Wireless Modem Connections E1 or Fractional E1 LIU 048Mbps Wireless Modem ConnectorsInstallation Antennas and Accessories Installing the 2.048Mbps Wireless Modem GeneralPackage Components To Set the Clock Rate V.35/RS-530/X.21 only To Configure the Unit as MasterTo Configure Channels with Echo Cancellation- Fractional E1 To Configure Channels Fractional E1To Configure Channels- Fractional T1 To Configure Channels with Echo Cancellation- Fractional T1Basic Antenna Uni-8.5 Antennas, Cables and AccessoriesMedium Gain 12dBi Antenna Uni-12 Basic 8.5 dBi Antenna Showing Installation screwsMedium Gain 18dBi Antenna Uni-18 Medium Gain 12dBi AntennaHigh Gain Antenna Uni-24 Medium Gain 18dBi AntennaHigh Gain 24dBi antenna RF Accessories Antenna CharacteristicsTPA 24 Transmit Power Amplifier TPA 24 Connections Diagram Installing the TPAAchievable improvement through the use of LNA-10 LNA-10 Low Noise Receive AmplifierLNA Improvement table Installing the AL-1 Lightning Arrestor LNA-10 Cable Connection DiagramThin Cable Cable TypesThick Cable Low Loss Cable11. Wall Mount with Azimuth Alignment Only Antenna Sets12. Wall Mount with Azimuth and Elevation Alignment European Range Table USA Range Table Range TablesVisually Aligning the antennas Antenna AlignmentActivating the front panel LEDs Maximum Unregulated Range TableTo activate the front panel LEDs 14. Rssi measurement connection diagram15. Rssi test point accuracy 048Mbps Wireless Modem Synchronizing Co-located Modem Units 18. Default position NC of the Jumpers in the Receive ModuleSetting the relevant parameters Installing the AntennasMaximum Number Synchronized Links 21. Connecting Units for Synchronization Connecting the Master unitsSet-up and Configuration Functions Set-up and ConfigurationAccessing the Set-up and Configuration Functions Main MenuMode and Access Control Menu Parameters MenuCounters and Tracers Menu Testing System ResetTo access the Parameters Menu To make selections using the Parameters menuLIU Parameters Menu E1 Parameters MenuE1 Parameters Menu Items and Actions Fractional EI Parameters Manu E1 Alarm BufferFractional E1 parameters Menu Items and Actions Remote Alarm MethodFractional E1 Alarm Buffer Echo Canceller disabling methodLong haul/Short haul CRC4 UsageT1 Parameters Menu T1 Alarm BufferT1 Parameters Menu Items and Actions Pulse ShapeFractional T1 Parameters Menu 048Mbps Wireless Modem 048Mbps Wireless Modem Superframe Method D4 Yellow Alarm MethodCRC6 Usage Echo CancelerBit 7 Zero Suppression Pulse Density EnforcerFractional T1 Alarm buffer 35/RS530/X.21 Parameter Menu V.35/RS-530/X.21 Parameters Menu Items and ActionsDCE/DTE Functionality Options Clock Polarity Loopback Mode Menu Loopback Mode Menu Items and ActionsMCP Parameters Menu Line Interface Unit Type MenuLine Interface Unit Type Menu Options Total Link Delay MCP Parameters Menu OptionsMaster-Slave Modem Initialisation String Central Site Management Using a Dial-up ModemAT&f\n Radio and Modem Parameters Menu 11. Default Modem Rate According to Selected LIU Data Rat10. Radio and Modem Parameters Menu Options Modem RateRemote Parameters Hoping SequenceAdd/Remove Channels from Test Sequence Switch to Remote Monitor Switch to Local Monitor12. Remote Parameters Menu Options Ping Remote Unit Load Default Values MenuDownload remote database to remote unit Copy database and download to remote unitParameter Info. Screen 13. Load Default Values Menu optionsTo make selections from the Counters and Tracers Menu To access the Counters and Tracers MenuSystem Counters 2.048Mbps Wireless Modems Counter display14. Buffers Name and Description 15. Modem Rate Vs. Buffer Size Channel Tracer Rssi per channel16. Rssi Levels Channel Tracer Errors Per ChannelTime Tracer Errors versus Time Time Tracer Max Consecutive Errors versus TimeClear System Counters and Channel Tracer Set Time Tracer Resolution 17. Delay Setting⇒ To set the time intervals Clear Reset Counter Reset CountersMessage Watch AlarmsDescription CorrectionRemote Frame Alarm Message Rlos framer un-synchronized Radio AlarmsMessage Warning LIU Clock drift, Check clock configuration General AlarmsMessage Warning Difference in parameters between two units Site Survey Mode Change Access RightsMenu System Reset MenuIntroduction Troubleshooting⇒ To check the configuration of each unit Problem 2 Poor performance of radio link⇒ To check RF Installation ⇒ To check radio link performanceTo correct the configuration ⇒ To check each unit configurationTo check synchronization at radio level From the Parameters menu, select Parameters Info. Screen 048Mbps Wireless Modem To view isolated bursts of errors To reduce echo on voice channelsTo improve data rate Problem 7 The system resets with an error message 048Mbps Wireless Modem Error Messages Source If Faxes does not work properly If the telephones does not work properly048Mbps Wireless Modem Wireless Modem Technical Specifications Models Technical SpecificationsRadio Type Transmission TechniqueTransmitter Output Power Default Modem Rate According to Selected LIU Data RateChannel Bandwidth System BandwidthMaximum Spurious Level Receiver SensitivityReceiver Sensitivity as a Function of the Radio BER Maximum Receive Level Recommended Receive LevelAdjacent Channel Rejection Separate between TX and RX frequencies Adjacent Channel RejectionMaximum Number of Links to Synchronize Maximum Number of Synchronized LinksFilter Curves 101 Line Interface SpecificationsFractional E1 Interface Fractional T1 InterfaceInterface RS-530 InterfaceFront Panel LED Indicators Connectors103 Mechanical Specifications Environmental SpecificationsStandards LNA-10 Technical Specifications TPA 24 Technical Specifications105 Antennas Sets106 AL-1 Technical Specifications107 Configuration Options DCE/DTE ConfigurationTable A-1. Possible DTE/DCE Configurations Appendix a V.35/RS-530/X.21 ApplicationsTable A-2. Configuration 048Mbps Wireless Modem Standard Configuration109 Synchronizing your Modem to Another NetworkRS-530/V.35/X.21 Back-to-Back Configuration Connecting your 2.048Mbps Wireless Modem to another modemDCE Options 111Setting the DCE/DTE Mode Parameter To set the DCE/DTE modeDTE Options 113 Appendix B E1 / T1 Applications E1/T1 Connections and Common Problems Link SetupE1/T1 LIU Jumper Settings 115Table B- 1. E1/T1 Connections Figure B-2. E1/T1 Board Location To access the jumpers117 Figure B-3. E1 Unbalanced Coax connector, 75 WFigure B-6. T1/DSU Network Interface T1 CSU/DSU Applications119 E1/T1 Back-to-Back ConfigurationAppendix C Fractional E1/T1 Applications When to Use the Fractional E1/T1 LIU121 Table C-1. Channels CharacteristicTable C-2. Fractional E1/T1 Connections Fractional E1 LIU Jumper SettingsFigure C-2. Fractional E1 Board Location 123Figure C-3. Fractional E1 Unbalanced Coax connector, 75 W Fractional T1 CSU/DSU Applications 125Echo Cancellation in Fractional E1/T1 Applications Fractional E1/T1 Back-to-Back Configuration127 Potential Problems in Fractional E1/T1 ApplicationsTo separate DC input Appendix D Installing Other Types of Receive AmplifiersTo supply DC input through the RF cable 129Appendix E Pin Assignments LIU RS-530 Connector Pin AssignmentsE1/T1 and Fractional E1/T1 Pin Connections Table E-1. E1/T1 and Fractional E1/T1 Pin ConnectionsLIU D-25 to V.35 Cable Pin Assignments 131Figure E-3. LIU D-25 to X.21 Cable Pin Assignments LIU D-25 to X.21 Cable Pin Assignments