Nortel DMS-100 Series Replacement Procedures page 520

1-488 XPM card replacement procedures
NT2X70
in an RSC
(continued)
16
17
18
19
297-8021-547 Standard 14.02 May 2001
Power up the inactive RCC unit as follows:
a Ensure the NT2X70 power converter is inserted. A major audible alarm
may sound. This alarm is silenced when power is restored to the
converter.
b Set the POWER switch to the ON position.
If the NT2X70 suffix is
AE or AF
AD
Toggle the ON/OFF/RESET switch on the power converter faceplate to the
RESET position and hold while setting the circuit breaker on the FSP to the
ON position. Both the converter FAIL LED and FRAME FAIL lamp on the FSP
will go OFF. Release the ON/OFF/RESET switch. Go to step 19.
Press the RESET button on the power converter faceplate while setting the
circuit breaker on the FSP to the ON position. Both the converter FAIL LED
and FRAME FAIL lamp on the FSP will go OFF. Release the RESET button.
Use the following information to determine the next step in this procedure.
If you entered this procedure
from
an alarm clearing procedure
other
Do
step 17
step 18
Do
step 24
step 20