Nortel DMS-10 Series Installation, Operation And Maintenance Manual page 634

6-196 Section 060-INDP-610 Maintenance Procedures Guide
Procedure 6-45
Bus Terminator PCA replacement (NT6M68AA) - version numbers H01 or later
Step Description
147
To place the active processor unit in PRIME mode, perform the following steps at the
Switch and Status Panel of the BMC:
a. Press the A/B Select Switch to match the active processor.
b. Press the O/P Mode Select Switch to P.
c. Turn the Mode Switch to the right and release.
148
To clear all alarms on the active processor, enter the following at the maintenance
terminal:
>RSERR 00(cr)
Alarms will clear if there are no faults.
149
Enter the following command at the maintenance terminal to Switch Processors to
make the standby active:
>SWACT (cr)
The old standby is now the active processor.
WARNING
This should not be done at a high traffic period, it may cause a loss of
AMA.
150
Verify replacement PCA has corrected original error.
151
When all maintenance activities are complete, be sure to replace the front panel of the
BMC. Carefully line up the four captive screws of the front panel with their mounting
holes. Tighten the captive screws; but do not bear down.
The procedure is complete.
297-6201-502 Standard 01.02 September 2000
(Sheet 4 of 4)