Nortel DMS-100 Series Maintenance Manual page 453

c Use a Phillips screwdriver to loosen and remove the three screws that
hold the rectifier to the TSS cover.
d Remove the rectifier.
e Install a replacement rectifier with one of the same PEC and suffix.
f Use a Phillips screwdriver to tighten the three screws that hold the
rectifier to the TSS cover.
g Close the TSS cover.
h Install the ground strap and nut. Tighten the nut with a 7mm nutdriver.
Connect the rectifier output connector and the power cord that were
disconnected in step a.a
i Supply power to the rectifier by setting the Rectifier breaker on the ac
panel to the ON position.
12 Open the TSS cover.
13 Note the condition of the indicator lights on the faceplate of the NTTR70AA
Star Module control (SMC) card. Check that the Critical alarm light emitting
diode (LED) is no longer lit. Also make sure the green LED on the rectifier is
lit.
14 Close the TSS cover. Close and lock the SRMO front door.
At the MAP terminal
15 To return the RLD to service, type
>RTS DRWR
and press the Enter key.
If the RTS
passes
fails
16 Send any cards with faults for repair according to local procedure.
17 Record the following items in office records:
• date the card was replaced
• serial number of the card
• problems that prompted replacement of the card
Go to step 19.
18 Get additional support for replacing this card by calling operating company
personnel responsible for a higher level of support.
19 You have correctly completed this procedure. Return to the maintenance
procedure that directed you to this card replacement procedure and continue
as directed.
Star Remote System card replacement procedures
DMS-100 Family NA100 Star Remote System XPM15 and up
in an RLD
Do
step 16
step 18
12-105
NTTR46
(end)