Nortel Meridian 1 Hardware Replacement Manual page 230

Page 230 of 250
553-3001-520 Standard 17.00 January 2002
Replacing equipment
Removing equipment
1 Software disable the dual loop peripheral buffer:
LD 32
DISS l s
2 Set the ENB/DIS switch to DIS.
3 Tag and disconnect cables to the card you are removing.
4 Unhook the locking devices on the card; pull it out of the card cage.
Installing equipment
1 Set the ENB/DIS switch to DIS on the replacement card.
2 Set option switches on the replacement card the same as on the card
you removed. If there is a vintage change, be sure to check Circuit
Card: Installation and Testing (553-3001-211) for any differences.
3 Insert the replacement card into the vacated slot and hook the locking
devices.
4 Connect cables to the replacement card.
5 Set the ENB/DIS switch to ENB on the replacement card.
6 Software enable the replacement card by enabling the shelf:
ENLS l s
— When the process is complete, you will receive a system
response.
— If there is no problem, exit LD 32:
****
7 Test each shelf:
LD 30
SHLF l s
— If there is a problem, an NWS system message is generated and
the appropriate red LED lights on the faceplate of the card.
— If there is no problem, exit LD 30:
****
"l s" are the loop and shelf numbers