Nt5D12Aa Dual Dti/Pri (Ddp); Removing The Ddp Card - Nortel Meridian 1 Replacement Manual

Page 62 of 362 Replacing equipment

NT5D12AA Dual DTI/PRI (DDP)

Removing the DDP card

553-3001-520 Standard 16.00 April 2000
21 Check the status of the CNIs:
STAT CNI
22 Switch Cores and exit the program:
SCPU
****
Use this procedure to replace an NT5D12AA DDP card. 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.
The static discharge bracelet located inside the cabinet must be worn
before handling circuit cards. Failure to wear the bracelet can result in
damage to the circuit cards.
1 Determine the cabinet and shelf location of the DDP card to be
removed.
2 Disable Network Loop using Overlay 60. The command is DISL "loop
number".
The associated DCHI may have to be disabled first. The faceplate
switch S1 should not be disabled until both PRI loops are disabled first.
3 If the DDP pack is being completely removed, not replaced, remove
data from memory. See the
(553-2901-301).
exit LD 135
WARNING
WARNING
X11 Networking Features and Services