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Black Box MWU2000-G703, MWU2000-V35, MWU2000-X21 - page 119

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2.048Mb

s Wireless Modem

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E1/T1 Back-to-Back Configuration

Figure B-8. E1/T1 Back-to-Back Configuration

Contents

Main 2.048Mb s Wireless Modem How To Contact your Local Black Box Page 4 2.048Mb s Wireless Modem Contents Page Page Page 8 2.048Mb s Wireless Modem Introduction About this Manual Product Description Main Features of the 2.048Mbps Wireless Modem RSSI Co-location Choice of Antennas, Cables and RF Accessories 2.048Mbps Wireless Modem Benefits 2.048Mbps Wireless Modem Components Line Interface Unit Page Radio Antennas Front Panel Indicators General Line Radio Page 18 Installation Antennas and Accessories Package Components Installing the 2.048Mbps Wireless Modem General To Configure the Unit as Master To Configure Channels - Fractional E1 To Configure Channels with Echo Cancellation- Fractional E1 To Configure Channels with Echo Cancellation- Fractional T1 Antennas, Cables and Accessories Antennas Page Page Page Page RF Accessories Page Page Page Page Cable Types Antenna Sets Page Range Tables Antenna Alignment Step-1 Visually Aligning the antennas Step 2 Activating the front panel LEDs Step 3 Fine tuning the adjustment of the antenna using RSSI Measurement Page Page Page Step-1: Installing the Antennas Step-2: Setting the relevant parameters Page Step-3 Connecting the Master units 44 Set-up and Configuration Set-up and Configuration Functions Accessing the Set-up and Configuration Functions Main Menu Parameters Menu Counters and Tracers Menu Mode and Access Control Menu System Reset Testing Parameters Menu To access the Parameters Menu: To make selections using the Parameters menu: LIU Parameters Menu 2.048Mb s Wireless Modem Page Page Page Page Page Page Page Page Page Page Page MCP Parameters Menu Page Page Page Radio and Modem Parameters Menu REMOTE Parameters Page Load Default Values Menu Page Counters and Tracers Menu System Counters Page Channel Tracer RSSI per channel Channel Tracer Errors Per Channel Clear System Counters and Channel Tracer Time Tracer Errors versus Time Set Time Tracer Resolution Reset Counters Clear Reset Counter Watch Alarms Page Page Page Page Mode and Access Control Menu Change Access Rights Site Survey Mode System Reset Menu 84 Troubleshooting Introduction Troubleshooting problems and solutions Problem 1: Two units are connected together but there is no radio link between them Problem 2: Poor performance of radio link Problem 3 There is a radio link but LUI does not operate, or is not synchronised Problem 4: There is a radio link and the LIU Operates, but the equipment does not synchronize Problem 5: The radio link is stable, but the error rate on the end equipment is unacceptable Page Page Page Page Page Page 95 Technical Specifications Wireless Modem Technical Specifications Models Radio Type Page Page Page Page Page Line Interface Specifications Page Front Panel LED Indicators Connectors Mechanical Specifications Environmental Specifications Standards Antennas Sets TPA 24 Technical Specifications LNA-10 Technical Specifications AL-1 Technical Specifications Page 108 Appendix A - V.35/RS-530/X.21 Applications DCE/DTE Configuration V.35/RS-530/X.21 Standards Configuration Options 2.048Mbps Wireless Modem Standard Configuration Connecting your 2.048Mbps Wireless Modem to another modem RS-530/V.35/X.21 Back-to-Back Configuration Setting the Jumper Configuration for the LIU-V.35 and LIU RS-530/X.21 Boards DCE Options DTE Options Setting the DCE/DTE Mode Parameter Page 114 s Wireless Modem Appendix B - E1 / T1 Applications Introduction E1/T1 Connections and Common Problems - Link Setup E1/T1 LIU Jumper Settings Page Page T1 CSU/DSU Applications Page 120 Appendix C Fractional E1/T1 Applications Introduction When to Use the Fractional E1/T1 LIU Fractional E1/T1 Connections and Common Problems -Link Set-up Page Page Page Fractional T1 CSU/DSU Applications Fractional E1/T1 Back-to-Back Configuration Echo Cancellation in Fractional E1/T1 Applications Potential Problems in Fractional E1/T1 Applications 128 Appendix D - Installing Other Types of Receive Amplifiers General Page 130 Appendix E Pin Assignments