Avaya Nortel Communication Server 1000 Manual page 438

438 Voice Gateway Media Card maintenance
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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 any of these tests fail, the card enters a maintenance
loop, and no further processing is possible. A failure message is printed on
the display to indicate which test failed. For example, if the timer test fails
on the ITG-P 24-port line card, F:05 is displayed.
If the other tests fail (up to and including the EEPROM test), a message
is displayed for three seconds. If more than one test fails, the message
displayed indicates the first failure. If verbose mode has been selected
(by the test input pin on the backplane), the three-second failure message
is not displayed.
If the maintenance display on the ITG-P 24-port line card shows a persistent
T:20 indicating an IP Line software failure, and if this occurs after the card
was reset during a loadware download procedure, call Nortel technical
support for assistance in attempting to download new software onto the card.
Table 118
ITG-P 24-port line card faceplate maintenance display codes
Copyright © 2003–2008, Nortel Networks
.
Table 119 "Media Card 32-port card faceplate maintenance display
codes" (page 439) list the normal and fault display codes for the Media
Card 32-port line card.
Table 121 "Media Card 32 card diagnostic information" (page 440)
Table 122 "Messages displayed on the LED during Media Card 32S card
normal operation" (page 441)
the Media Card 32S card.
Normal code Fault code
T:00
T:01
T:02
T:03
T:04
T:05
T:06
T:07
T:08
T:09
T:10
T:11
T:12
Nortel Communication Server 1000
IP Line Fundamentals
NN43100-500 02.02 Standard
Release 5.5 4 February 2008
lists the messages on the faceplate for
Message
F:00 Initialization
F:01 Testing Internal RAM
F:02 Testing ALU
F:03 Testing address modes
F:04 Testing Boot ROM
F:05 Testing timers
F:06 Testing watchdog
F:07 Testing external RAM
F:08 Testing Host DPRAM
F:09 Testing DS30 DPRAM
F:10 Testing Security Device
F:11 Testing Flash memory
F:12 Programming PCI FPGA
and