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BRI-BD (ISDN-BRI Line Circuit Pack)
Issue 1 June 2005 681
l. Error Type 3330: A critical failure has been detected in the packet-bus interface of the
circuit pack. This failure may be due to either a packet-bus or to an on-board fault. If the
packet bus is alarmed, see XXX-BD (Common Port Circuit Pack/Media Module)
on
page 2539 and Isolating and repairing packet-bus faults
in Maintenance Procedures
(03-300192) for recommended repair procedures. The probability of this error being related
to packet-bus problems increases with the number of ISDN-BRI circuit packs displaying this
error.
If the packet bus is not alarmed, reset the circuit pack with busyout board location
and reset board location. If the Circuit Pack Restart test (#594) passes, then the
on-board circuitry is healthy. Retire the alarm with test board location long clear.
If the Circuit Pack Restart test (#594) fails, replace the circuit pack. If the problem persists
after complying with the above instructions, then follow normal escalation procedures.
m. Error Types 4096, 4097, 4098, 4099, 4100, 4101: reported by the circuit pack when it
receives a bad control channel message from the switch. Not service-affecting, no action is
required. The auxiliary data identifies the error events.
Error Type 4096: Bad major heading
Error Type 4097: Bad port number
Error Type 4098: Bad data
Error Type 4099: Bad sub-qualifier
Error Type 4100: State inconsistency
Error Type 4101: Inconsistent downlink message
n. Error Type 3843: bad translation RAM detected, but call continues by using another
translation location.This error is not service-affecting. No action is required.
o. Error Type 3999: the circuit pack sent a large number of control channel messages to the
switch in a short period of time.
If Error Type 1538 is also present, the circuit pack was taken out-of-service due to
hyperactivity.
If Error Type 1538 absent, the circuit pack was not taken out-of-service, but has generated
50% of the messages necessary to be considered hyperactive. This may be normal during
heavy traffic periods. If traffic is light, it may indicate a problem with the circuit pack or the
equipment attached to it.