Demand test descriptions and error codes - Avaya Support

Table 372: Serial Chel Local Looparound Test (#229) 2 of 2
Error
Code
Test
Result
Description / Recommendation
Serial Chel Local Looparound Test (#229)
FAIL The on-board circuitry associated with the standby serial link is
defective. Since the PN’s Maintenance circuit pack reported this
failure, the on-board circuitry associated with the active serial link is
functional.
1. This test checks the circuitry on the PN’s Maintenance circuit
pack associated with the standby Expansion Interface link.
a. In a switch without duplicated Port Network Connectivity
(PNC), current service will not be affected because the
circuitry failing is not being used. Nevertheless, a Minor
alarm will remain in the Alarm Log against MAINT. Therefore,
the PN’s Maintenance circuit pack must be replaced.
b. In a switch with duplicated PNC, service is not affected as
long as you do not interchange the PNCs. Otherwise, the
connection to the PN’s Maintenance circuit pack will be lost.
Losing this connection would mean losing connectivity to the
terminal and PN Environment maintenance. The PN’s
Maintenance circuit pack must be replaced to correct this
problem.
PASS The on-board circuitry associated with both Expansion Interface
circuit pack serial links is good. If there is still a problem
communicating with the PN’s Maintenance circuit pack, check the
following:
1. The cable comprising the serial link (B carrier Expansion
Interface circuit pack to PN’s Maintenance circuit pack only) may
be defective.
2. The PN’s Maintenance circuit pack may actually be defective.
This test may not be 100 percent accurate.
3. The Expansion Interface circuit pack on the standby link may be
defective.
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Issue 5 May 2009 1307