µSDM-1RD / µSDM-1 / µSDM-1E IOM
Contents
426006-2304-013-B1
Lightscape Networks Ltd. Proprietary
iii
6. Troubleshooting Alarms ................................................................................ 6-1
6.1 The
µ
SDM-1 NE Shelf View .................................................................. 6-1
6.2 Card Internals Views ............................................................................. 6-2
6.2.1
PDH Tributary Module Internals............................................. 6-3
6.2.2
Transmission Object Internals ............................................... 6-4
6.2.3
VC4 Internals......................................................................... 6-5
6.3 Alarms Management ............................................................................. 6-8
6.4 Current Alarms ...................................................................................... 6-9
6.4.1
Viewing Current Alarms ......................................................... 6-9
6.5 The Alarms Log................................................................................... 6-10
6.5.1
Viewing the Alarms Log ....................................................... 6-10
6.5.2
Viewing Alarm Details.......................................................... 6-12
6.5.3
Refreshing the Alarms Display ............................................ 6-13
6.5.4
Printing the Alarms Log ....................................................... 6-13
6.6 Alarm Troubleshooting Table .............................................................. 6-13
6.6.1
Replacing a Unit .................................................................. 6-14
7. Acceptance and Commissioning .................................................................. 7-1
7.1 Introduction ........................................................................................... 7-1
7.1.1
Measuring and Test Equipment Required.............................. 7-1
7.2 µ
SDM-1 Power Up Procedure................................................................ 7-2
7.3 Optical Level Test.................................................................................. 7-2
7.4 Optical Transmission Tests ................................................................... 7-2
7.4.1
Mean Launched Power.......................................................... 7-2
7.4.2
Loss Detection and Input Sensitivity ...................................... 7-3
7.4.3
ALS Safety Requirement Test ............................................... 7-3
7.4.4
Recovery Response to Received Signal................................ 7-4
7.5 Input Sensitivity Test ............................................................................. 7-4
7.6 Lab Test ................................................................................................ 7-4
7.6.1
Necessary Equipment ........................................................... 7-4
7.6.2
Test Equipment Setup for a Single
µ
SDM-1 .......................... 7-4
