414 NT6D80 MSDL card
3If the card has been disabled by the system, disable it manually
with DIS MSDL x.Tab le
4Invoke self-testing with the SLFT MSDL x command. "Self-testing
the MSDL" (page 412) If self-tests fail, replace the card. If self-tests
pass, try to enable the card again, as in step 2. If the card does
not enable, note the message output to the TTY and follow the
recommended action.
—End—
Replacing MSDL cards
After completing MSDL troubleshooting you maydeter mine that one or
more MSDL cards are defective. Remove the defective cards and replace
them with new ones.
Procedure 20
Replacing an MSDL card
Step Action
An MSDL card can be removed from and inserted into a system module
without turning off the power to the module. Follow these steps:
1Log in on the maintenance terminal.
2At the > prompt, type LD 37 (you can also use LD 42, LD 48, or
LD 96) and press Enter.
3TypeDIS MSDL x ALL and press Enter to disable the MSDL and
any activeoperations r unning on one or more of its ports. The MSDL
card is now disabled.
4Disconnect the cables from the MSDL faceplate connectors.
5Unlatch the card-locking devices, and removethe card from the
module.
6Set the switches on the replacement card to match those on the
defective card.
7Insert the replacement card into the same card slot.
8Observe the red LED on the front panel during self-test. If it flashes
three times and stays on, it has passed the test. Go to step 8.
9If it does not flash three times and then stay on, it has failed the test.
Pull the MSDL partially out of the module and reinsert it firmly into the
module. If the problem persists, troubleshoot or replace the MSDL.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright© 2003-2008, Nor tel Networks
.