Nortel DMS-100 Series Maintenance Manual page 216

6-4 The OPM recovery procedures
OPM
(continued)
OPM recovery procedure
At the OPM site
1
2
3
4
5
On the RMM shelf
6
On the HIE shelf
7
At the MAP terminal
8
9
297-8361-550 Standard 04.01 September 2000
Open the front doors and both bays of row A. Open Bay 1 first.
Verify that ac and dc power are present.
If OPM
is NT8X01AA,AB, BA or BB
is NT8X01AC or BC
To verify that ac and dc power are present, perform the following:
a Make sure ac ON lamps on the J2427B rectifiers are ON.
b Make sure dc ammeters indicate the DC load of the J2427B rectifiers.
c Go to step 5.
To verify that ac and dc power are present, make sure the digital display LEDs
indicate the dc load of the 5C6CA rectifier.
Close and lock the two bays of row A. Close Bay 0 first.
Restore power to the RMM shelf as follows:
a Make sure the POWER switch is ON for the two power converters
(NT2X09 and NT2X06).
b Press and hold the RESET button on the NT2X09 power converter.
Reset CB5 on the FSP.
Restore power to the HIE shelf as follows:
a Make sure the POWER switch is ON for the two NT2X70 power
converters.
b Press and hold the RESET button of the NT2X70 in slot position 22.
Reset CB4.
c Press and hold the RESET button of the NT2X70 in slot position 25.
Reset CB1.
To access the peripheral module (PM) level of the MAP display, type
>MAPCI;MTC;PM
and press the Enter key.
To post the OPM with the power failure, type
>post lcm site frame lcm
Do
step 3
step 4