Symmetricom 1000 User Manual

Chapter 6 Maintaining and Troubleshooting the TimeProvider
Diagnosing the External TPIU

164  TimeProvider User’s Guide

4. Place the IMC in a static-free bag or on a static-free surface.

5. Insert another IMC into the shelf and tighten the captive screws.

6. Reload the IMC memory from the IOC by issuing the following command:

CPY-MEM:::::IOC,IMC,IMC;

 shows the function of the LED indicators on the front panel of the 

standalone TPIU.

The Retimer module is transparent to framing errors, bipolar violations, and data 
errors; these errors are passed through to the downstream Network Element. If an 
incorrect signal type is inserted into the Retimer module (for example, if an E1 
signal is connected into a T1 Retimer), the module may report a large slip count. 
Verify that the proper signal is inserted into the Retimer module.

Note: If the replacement IMC has a different software load than the 
original IMC, you cannot log in to the TimeProvider using the existing 
username and password. You must create a new username and 
password using the ENT-USER-SECU command.

TPIU Power

Green
Off

Interconnection cable is connected
Interconnection cable is disconnected or GPS input is 
disabled

Antenna Power

Green
Red
Off

TPIU is communicating with Antenna 
TPIU has lost communication with Antenna 
Interconnection cable is disconnected or GPS input is 
disabled

Antenna Signal

Green
Red
Off

Antenna is communicating with the TPIU
Master shelf is powering up or antenna is powering up
Antenna has lost communication with the TPIU