Nortel Meridian 1 Replacement Manual page 255

Installing equipment
1 Plug the replacement data cartridge into the connectors on the component
side of the host card. Install the screw that secures the cartridge.
To avoid system failure, the ID number on the data cartridge must
match the ID number of the system.
2 Reinsert the card and hook the locking devices.
For an MSI, EMSI, or FDI card, reconnect the cable to the card.
3 Set the ENB/DIS switch to ENB.
4 Test the host card.
a For an MSI, EMSI, or FDI card:
LD 37
MSI 0
****
b For an IOP card, test and enable the card:
LD 137
DIS IOP
TEST IOP
ENL IOP
****
If there is a problem, an IOD or CIOD system message is generated and
the red LED lights on the faceplate of the card.
5 Tag defective equipment with a description of the problem and package
it for return to a repair center.
Note: For dual-CPU systems, repeat this procedure for the second data
cartridge.
Replacing equipment
CAUTION
exit LD 37
the card must be disabled for testing
this also enables the CMDU(s) or
IOP/CMDU(s)
exit LD 137
Page 255 of 362
Hardware replacement