Nortel Meridian 1 Replacement Manual page 135

18 Check the CPUs and switch the call processing to the currently inactive
CPU:
LD 135
STAT CPU
SCPU
STAT CPU
****
19 Check the status of the replacement IOP and the associated CMDU in the
active Core and make sure they are operating correctly:
LD 137
STAT
DIS IOP
TEST IOP
ENL IOP
TEST CMDU n
****
20 Tag defective equipment with a description of the problem and package
it for return to a repair center.
Replacing equipment
to load the program
to get status of both CPUs
to switch to currently inactive CPU and make it
active
to check the status of both CPUs again to verify
that the switchover occurred
to exit the program
to load the program
to get status of both IOPs and CMDUs
to disable the IOP in the active Core
to verify the operation of IOP card in the
active Core (replacement IOP)
to enable the IOP after the test
to test the operation of the CMDU
to exit the program
Page 135 of 362
Hardware replacement