Re-Ordering Information - Symmetricom SSU-2000e User Manual

Table 5-4. SDU-2000e Troubleshooting Procedures (Continued)
Symptom
Indicators on any module
are not illuminated
Loss of signal to/from
expansion chassis

Re-ordering Information

To re-order any module or accessory, contact the Sales Department at
Symmetricom. Provide the module or accessory name and its item number along
with a purchase order number. A current list of SSU-2000e system components
modules/accessories and their part numbers is provided in
Configuration
Equipment Return Procedure
You should return the equipment to Symmetricom only after you have exhausted the
troubleshooting procedures described earlier in this chapter, or if Symmetricom
Global Services has advised you to return the unit.
Note: Please retain the original packaging of the unit for re-shipping
the product as needed. If the original packaging has been discarded,
contact Symmetricom Global Services (SGS) for assistance.
Repacking
Use standard packing procedures to protect the SSU-2000e or any of the
SSU-2000e modules during shipment. Connectors should be protected with
connector covers or the instrument should be wrapped in plastic before packaging.
Custom foam packing material is preferred because it conforms to the shape of the
instrument. Take special care to protect the front and rear panels.
12713140-002-2 Revision E – October 2006
Probable Cause
No power to unit
Loss of ground
Loose power cabling to unit
Expansion shelf is faulty
Loose SDU cable to the
expansion chassis
Both clocks not connected
Guide.
Chapter 5 Maintenance and Troubleshooting
Re-ordering Information
Troubleshooting
Procedure/Corrective Action
Verify that there is power to BUS-A and
BUS-B, and that the power inputs are
providing the required –48/60 VDC to
the unit.
Re-attach ground wires.
Check that power cables to unit are
securely fastened.
Contact Symmetricom Global
Services.
Check SDU cable.
Connect one or both clocks.
Chapter 9, Hardware
SSU-2000e User's Guide 139