ADTRAN NT1 ACE4 - Manual (Page 25)

61200242L1-1 NT1 ACE 4 User Manual 9
NT1 ACE 4 User Manual
ERROR indicators illumi-
nated; READY indicators
flash at a faster 8 Hz rate. Network activation failure:
• Wall jack wiring is incorrect: Check
wall jack.
• Problem with ISDN line: Contact
telephone company.
ERROR indicators illumi-
nated; READY indicators
flash at a slower 1 Hz
rate. Local bus failure:
• TE not connected: Connect TE.
• TE not receiving power from NT1:
Consult TE documentation.
• TE not terminated properly: Correct
termination.
READY indicators do not
illuminate. • Problem with ISDN network: Con-
tact telephone company.
• ISDN line not plugged into U jack:
Plug ISDN line into U jack.
Unable to make or
receive a call. • TE is not compatible with ISDN net-
work: Contact telephone company.
• TE ISDN parameters not config-
ured properly: Reconfigure TE
(SPIDs, LDNs, switch type, etc.).