Black Box Echo Series User Manual page 5

Composite Link Parameters......................................................................................................24
Back to Back demonstration connection ...................................................................................25
Internal Clock (other site in loop) .................................................................................25
Using an external Clock reference ............................................................................................26
External Channel Clock ...............................................................................................26
External Reference Clock ............................................................................................26
Through Clock (Master from D&I link)..........................................................................27
Troubleshooting .....................................................................................................................................28
Front Panel LEDs......................................................................................................................28
Diagnostics & Loopbacks..........................................................................................................29
Appendix A - Warnings ..........................................................................................................................30
Appendix B - Approval ...........................................................................................................................33
Appendix C - EMC Requirements ..........................................................................................................34
Limitation of Emissions: ............................................................................................................34
'D-Type' Connections...................................................................................................34
Mains Connection ........................................................................................................35
To Ensure that adequate immunity is achieved: .......................................................................35
Appendix D - Rear Panel Lay Out.........................................................................................................36
Appendix E - Supervisor Port Pinout......................................................................................................37
Appendix F - Composite Interface Pinouts............................................................................................38
Appendix G - RJ45 E1 Crossover Cable................................................................................................40
Appendix H - X.21/V.11 Data Channel Pinout........................................................................................41
Appendix I - X.21/V.11 Network Crossover Cable .................................................................................42
Appendix J - Alarms...............................................................................................................................43
Appendix K - Echo Technical Specification............................................................................................44
Echo 2 Mbps Multiplexer
TECHNICAL: 0118 931 2233
5