Cadence Flash F200-2 Guía para resolver problemas Pagina 395

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Alarm errors on the VGMC, Signaling
Server, and MGC
This section describes alarm errors on the Voice Media Gateway Card
(VGMC), Signaling Server, and MGC.
VGMC faceplate maintenance display codes
The VGMC maintenance display provides the diagnostic status of the
card during power-up, the operational state when in service, and error
information about the functional state of the card. Faceplate Maintenance
Display Code lists the normal and fault codes.
During power-up, the card performs multiple self-tests, including an
internal RAM test, ALU test, address mode test, boot ROM test, timer test,
and external RAM test. If a test fails, the card enters a maintenance loop,
and no further processing is possible. A failure appears on the display
to indicate which test failed. For example, if the timer test fails, F:06 is
displayed.
If any other tests fail (up to and including the EEPROM test), a message
appears for three seconds. If more than one test fails, the message
indicates the first failure. If you select verbose mode (by the test input PIN
on the backplane), the three-second failure message does not appear.
If the maintenance display shows a persistent T:20 (indicating a VGMC or
Signaling Server application software failure) after the card reset during a
software download procedure, call Nortel technical support for assistance
to download new software to the card.
The following table lists the faceplate maintenance display codes.
Table 114
Faceplate maintenance display codes
SMC
T:01 F:01 XA Internal RAM Test Failed
Nortel Communication Server 1000
Troubleshooting Guide for Distributors
NN43001-730 02.02 31 December 2009
Copyright © 2008-2009 Nortel Networks. All Rights Reserved.
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