Nt6D3903 Cpu/Network Module Card Cage - Nortel Meridian 1 Replacement Manual

NT6D3903 CPU/Network Module Card Cage

6 Test the DIGS card:
LD 45
NSIG
a If there is a problem, a CED system message is generated.
**** to exit
7 Switch clocks to the SCG (System Clock Generator)
LD 39
SCLK to switch the clock
**** to exit
The DIGS card replacement procedure is complete.
To replace a defective backplane in an NT6D39 CPU/Network Module, you
must replace the card cage. Use this procedure to replace the CPU/Network
Module card cage.
See the X11 Administration (553-3001-311) for a description of all
maintenance commands, and the X11 System Messages Guide
(553-3001-411) for interpreting system messages.
Module covers are not hinged; do not let go of the cover. Lift the cover
away from the module and set it out of your work area.
Replacing equipment
WARNING
Page 87 of 362
Hardware replacement