Maintenance and Troubleshooting
Troubleshooting
118 SSU-2000 User’s Guide 12713020-002-2 Revision D – April 2004
Table 5-3. SSU-2000 Troubleshooting Procedures
Symptom Probable Cause
Troubleshooting
Procedure/Corrective Action
No LED lit on any
module
No power to unit Check to ensure that UPS (if applicable)
is operating correctly.
Both A and B fuses are blown Remove both fuses and replace.
Loss of ground Re-attach ground wires.
Loose power cabling to unit Check that power cables to unit are
securely fastened.
Main shelf is faulty Contact Symmetricom Global Services.
Unable to
communicate with
system
Loose cabling Check that cabling is securely fastened.
Bad peripheral device
configuration
Check that communication device is
properly configured (refer to
Establishing a Connection, on page
116, for more information).
Improperly installed or faulty
Comms module
Re-seat the Comms module.
Press the RST button located on the
front panel of module.
If problem is not rectified, call
Symmetricom Global Services.
Software emulator is configured
to Com1, but cable is physically
attached to Com2
Either attach cable to Com1 or
re-configure software emulator to
Com2.
Software emulator is set to 9600
baud, but system baud rate is
19,200.
Change to the software emulator to
19,200 baud.
Bad serial port(s) Connect to another serial port. If none of
the ports are functional, call
Symmetricom Global Services.
Status LED on
Input module is
amber
Firmware compromised Re-seat the Input module. If problem is
not rectified, call Symmetricom Global
Services.
To Next Page
Loading...
Need help?
General
