Note Do not diagnose all analog-line interface cards or channels at the same time, as there will be no available channels to accept incoming calls.
Depending on the equipment selected, diagnosis can take several minutes. The system displays the Voice Board Diagnostics Web page.
No loop current on channel number
Channel number changed to state FOOS
If there is a dial tone, the analog-line interface card is defective.
If there is no dial tone, the telephony server is faulty. Verify the wiring and administration of the telephony server.
If the system displays the following message, the system did not detect a dial tone. However, the system did detect loop current, which could be a result of excessive load on the analog-line interface card. If you see the following message, perform steps 8 and 9.
Diag TRnumber: No dial tone frequencies set
Channel number changed to state BROKEN
Card number changed to state BROKEN
If the card is not properly seated, correct the seating of the card and then follow the procedures to return power.