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Troubleshooting
INTER-TEL
®
AXXESS
®
MANUAL VERSION 11.0 – May 2008
T1 Alarms
7
TROUBLE-
SHOOTING
F. T1 ALARMS
4.27 When a T1 Card’s Red Alarm LED is flashing, check the error message output to see if
any of the following error conditions have been detected:
• Alarm 1, Receiver Loss of Signal from Network: The card is not properly receiving
the T1 signal from the public network. Check for improper connection. If the problem
persists, contact the T1 provider.
• Alarm 2, Transmitter Loss of Signal from T1 Card to Network: The card is not
properly transmitting the T1 signal to the public network. Check for improper connec-
tion. If the problem persists, replace the card and return it for repair.
• Alarm 3, Receiving Yellow Alarm: The card is receiving a yellow alarm error condi-
tion from outside the system. Check for improper connection or wiring. If the problem
persists, contact the T1 provider.
• Alarm 4, Receiving Blue Alarm: The card is receiving a blue alarm error condition
(also called Alarm Indication Signal [AIS]) from outside the system. Check for
improper connection or wiring. If the problem persists, contact the T1 provider.
• Alarm 5, T1 Signal Out-of-Frame: There is a problem with the master/slave synchro-
nization or the framing scheme. Check DB Programming. and check for improper con-
nection or wiring. If the problem persists, contact the T1 provider.
• Alarm 6, Severely Errored Seconds: Indicates that one or more severe errors have
been detected for at least one second. Check for improper connection or wiring. If the
problem persists, contact the T1 provider.
• Alarm 7, Transmitting Blue Alarm: If error condition (1) above is detected (loss of
receive signal), the card sends out a blue alarm signal.
• Alarm 8, Remote Loopback State: Currently reserved for engineering diagnostic pur-
poses only.
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