Verilink Access Manager 2000 (896-502037-001) Product Manual - Manual (Page 294)

Monitoring and Troubleshooting Access Manager
8-24 Access Manager 2000 User Manual
If the frequency line on the screen is 0 and all other indicators are NO ,
the TIU is timed internally.
Note: If an external timing frequency has been applied and the above
condition still exists, check the external device providing the
timing frequency and all connecting cables.
Displaying circuit status
If you want a larger overview of what errors are occurring in the circuit,
you can review a status diagram of the circuit.
To review the circuit status:
1. In the On-line Access sub-menu, move the cursor to Circuit
Status Diag , and press .
TWO CLOCK
(2 or more
clocks) Yes More than one clock source is present. This is
a trouble indication because neither clock is
used and the TIU is timed internally.
Regen Transmit
CRC Yes This shows that CRC regeneration occurs
toward the network, but not toward the EQPT.
No This shows that CRC regeneration occurs
toward the EQPT, but not toward the network.
YEL AL Tran
Enable No Yellow alarm transcoding is currently not
enabled toward either the network or the
equipment.
Field Value Meaning
Enter