Troubleshooting The Sdu-2000E - Symmetricom SSU-2000e User Manual

Chapter 5 Maintenance and Troubleshooting
Troubleshooting
Table 5-3. SSU-2000e Troubleshooting Procedures (Continued)
Symptom
Any amber LED on
Input module
No output signal on
the output panel

Troubleshooting the SDU-2000e

The buffer module in the SDU-2000e collects status information from the Output
modules and relays status messages to the SSU-2000e. The status messages alert
the SSU-2000e when a possible problem exists; they can be accessed through the
SSU-2000e using a terminal or PC using a terminal emulation software. Refer to
Establishing a Connection With the
on connecting to an SSU-2000e for troubleshooting.
troubleshooting procedures for the SDU-2000e.
Note: If fault isolation and corrective action have been performed and
the problem persists, contact Symmetricom Global Services.
Table 5-4. SDU-2000e Troubleshooting Procedures
Symptom
Output module Fault
indicator is on
Output module Fault
indicator is flashing Amber
Output module Source
indicator amber
138 SSU-2000e User's Guide
Probable Cause
No signal to the input panel
No input signal on cable
connected to input panel
I/O input adapter panel is not
connected to the input module
Port is not turned on
The I/O output adapter panel is
not connected to the output
module
Probable Cause
Loose module
Fault on distribution cabling
Loss of clock signal
Clock modules in main
chassis are in Warm-up
mode
Troubleshooting Procedure/Corrective
Ensure signals are properly routed to the
input panel.
Replace no-signal cable with signaled
cable.
Connect the I/O input adapter panel to the
input module.
Use the appropriate command to turn the
port on.
Connect the I/O output adapter panel to
the Output module.
SSU-2000e, on page 90, for more information
Table 5-4
Troubleshooting
Procedure/Corrective Action
Re-seat module.
Verify that cabling is connected
properly. Replace cabling as needed.
Ensure cabling to main chassis is
secure and correctly installed.
No action necessary.
12713140-002-2 Revision E – October 2006
Action
outlines