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Black Box MWU2000-V35, MWU2000-G703, MWU2000-X21 manual 107

Models: MWU2000-G703 MWU2000-X21 MWU2000-V35

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2.048Mbps Wireless Modem

Operating Environment:	Indoor/Outdoor
Grounding:	One of the female-type N connectors is mounted directly
	through a hole in the shelter wall and held in place with a
	lockwasher and nut.

TECHNICAL: 0118 931 2233

107

Image 107

Black Box MWU2000-V35, MWU2000-G703, MWU2000-X21 manual 107

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 ModemHigh Speed Communication Error-Free Data TransferSeamless Communication VersatilityCo-location Choice of Antennas, Cables and RF Accessories048Mbps Wireless Modem Benefits 048Mbps Wireless Modem ComponentsRS530 Line Interface UnitAdaptive Equalization Fractional E1 with Echo CancellationFractional T1 With Echo Cancellation Modem Separate DSP Transmit and Receive ModemsAntennas RadioLine Front Panel IndicatorsGeneral TX Sync RXD and TXDRx Sync 048Mbps Wireless Modem Connections E1 or Fractional E1 LIU 048Mbps Wireless Modem ConnectorsPackage Components Installation Antennas and AccessoriesInstalling the 2.048Mbps Wireless Modem General 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 TPA 24 Transmit Power Amplifier RF AccessoriesAntenna Characteristics 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 DiagramLow Loss Cable Cable TypesThin Cable Thick Cable11. Wall Mount with Azimuth Alignment Only Antenna Sets12. Wall Mount with Azimuth and Elevation Alignment European Range Table USA Range Table Range TablesMaximum Unregulated Range Table Antenna AlignmentVisually Aligning the antennas Activating the front panel LEDsTo 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 unitsMain Menu Set-up and ConfigurationSet-up and Configuration Functions Accessing the Set-up and Configuration FunctionsCounters and Tracers Menu Mode and Access Control MenuParameters Menu To make selections using the Parameters menu System ResetTesting To access the Parameters MenuE1 Parameters Menu Items and Actions LIU Parameters MenuE1 Parameters Menu Fractional EI Parameters Manu E1 Alarm BufferFractional E1 parameters Menu Items and Actions Remote Alarm MethodCRC4 Usage Echo Canceller disabling methodFractional E1 Alarm Buffer Long haul/Short haulPulse Shape T1 Alarm BufferT1 Parameters Menu T1 Parameters Menu Items and ActionsFractional T1 Parameters Menu 048Mbps Wireless Modem 048Mbps Wireless Modem Superframe Method D4 Yellow Alarm MethodPulse Density Enforcer Echo CancelerCRC6 Usage Bit 7 Zero SuppressionFractional T1 Alarm buffer DCE/DTE Functionality Options 35/RS530/X.21 Parameter MenuV.35/RS-530/X.21 Parameters Menu Items and Actions Clock Polarity Loopback Mode Menu Loopback Mode Menu Items and ActionsLine Interface Unit Type Menu Options MCP Parameters MenuLine Interface Unit Type Menu Master-Slave Total Link DelayMCP Parameters Menu Options Modem Initialisation String Central Site Management Using a Dial-up ModemAT&f\n Modem Rate 11. Default Modem Rate According to Selected LIU Data RatRadio and Modem Parameters Menu 10. Radio and Modem Parameters Menu OptionsAdd/Remove Channels from Test Sequence Remote ParametersHoping Sequence 12. Remote Parameters Menu Options Switch to Remote MonitorSwitch to Local Monitor Copy database and download to remote unit Load Default Values MenuPing Remote Unit Download remote database 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 ChannelClear System Counters and Channel Tracer Time Tracer Errors versus TimeTime Tracer Max Consecutive Errors versus Time ⇒ To set the time intervals Set Time Tracer Resolution17. Delay Setting Clear Reset Counter Reset CountersCorrection Watch AlarmsMessage DescriptionRemote 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 radio link performance Problem 2 Poor performance of radio link⇒ To check the configuration of each unit ⇒ To check RF InstallationTo check synchronization at radio level To correct the configuration⇒ To check each unit configuration From the Parameters menu, select Parameters Info. Screen 048Mbps Wireless Modem To improve data rate To view isolated bursts of errorsTo reduce echo on voice channels 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 Transmission Technique Technical SpecificationsWireless Modem Technical Specifications Models Radio TypeSystem Bandwidth Default Modem Rate According to Selected LIU Data RateTransmitter Output Power Channel BandwidthReceiver Sensitivity as a Function of the Radio BER Maximum Spurious LevelReceiver Sensitivity Adjacent Channel Rejection Maximum Receive LevelRecommended Receive Level Separate between TX and RX frequencies Adjacent Channel RejectionFilter Curves Maximum Number of Links to SynchronizeMaximum Number of Synchronized Links 101 Line Interface SpecificationsRS-530 Interface Fractional T1 InterfaceFractional E1 Interface Interface103 Front Panel LED IndicatorsConnectors Standards Mechanical SpecificationsEnvironmental Specifications Antennas Sets TPA 24 Technical SpecificationsLNA-10 Technical Specifications 105106 AL-1 Technical Specifications107 Appendix a V.35/RS-530/X.21 Applications DCE/DTE ConfigurationConfiguration Options Table A-1. Possible DTE/DCE ConfigurationsSynchronizing your Modem to Another Network 048Mbps Wireless Modem Standard ConfigurationTable A-2. Configuration 109RS-530/V.35/X.21 Back-to-Back Configuration Connecting your 2.048Mbps Wireless Modem to another modemDCE Options 111DTE Options Setting the DCE/DTE Mode ParameterTo set the DCE/DTE mode 113 Appendix B E1 / T1 Applications E1/T1 Connections and Common Problems Link SetupTable B- 1. E1/T1 Connections E1/T1 LIU Jumper Settings115 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 129Table E-1. E1/T1 and Fractional E1/T1 Pin Connections LIU RS-530 Connector Pin AssignmentsAppendix E Pin Assignments 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