Chapter 5 Maintenance and Troubleshooting
Corrective Maintenance
Table 5-1. SSU Corrective Action Table
Component
Motherboard or Main
Chassis Fault
Defective Cable
Module Fault(s)
Communications Module
2E Clock Module
3E Clock Module
Type I Clock Module
1-Port DS1 Input Module
3-Port DS1 Input Module
1-Port E1 Input Module
3-Port E1 Input Module
DS1 Output Module
E1 Output Module
CC Output Module
2048 kHz Output Module
RS-422 Output Module
E1/2048 kHz Output Module
Table 5-2. SDU Corrective Action Table
Component
Motherboard or Main
Chassis Fault
Defective Cable
132 SSU-2000e User's Guide
Corrective Action
Contact Symmetricom Global Services
Replace defective cable
1. Check that module(s) is seated
correctly.
2. Address any fault LED lights.
3. If present, press RST button on Comm
module.
4. Check both Power A and Power B
inputs for a tripped breaker or blown
fuse on the input power control panel.
5. Replace module.
6. If unable to correct the problem, contact
Symmetricom Global Services.
Module Replacement
See
Handling
Modules, on page 73.
Corrective Action
Contact Symmetricom Global Services.
Replace defective cable.
Part Number
25413140-000-0
See
Chapter 9,
Hardware
Configuration Guide
All Modules
23413012-000-0
23413016-000-0
23413015-000-0
23413015-001-0
23413013-001-0
23413013-002-0
23413014-001-0
23413014-002-0
23413017-000-0
23413018-000-0
23413158-000-0
23413159-000-0
23413287-000-0
23413292-000-0
Part Number
25413141-000-0
060-10003-10-2
(1 m cable; other
lengths available
12713140-002-2 Revision E – October 2006