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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.).
Summary of Contents for NT1 ACE4
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