Nortel DMS-100 Series Maintenance Manual page 519

5
6
At the SRHE frame
7
8
(Sheet 1 of 2)
Circuit breaker
label
PS00, Slot 3
PS01, Slot 5
Ring 0, Slot 1
Talk A
PS10, Slot 20
Star Remote System card replacement procedures
If the MAP response is
STAR SHUB 00 0 REX test is ON
type the following
>tst rex off
the MAP response should be
STAR SHUB 00 0 REX test is OFF
To busy the STAR unit containing the faulty card, type
>BSY UNIT unit_no
and press the Enter key.
where
unit
is the STAR unit (0 or 1) associated with the faulty talk battery and
circuit breakers card
To offline the STAR unit, type
>OFFL UNIT unit_no
and press the Enter key.
where
unit
is the STAR unit (0 or 1) associated with the faulty talk battery and
circuit breakers card
Disconnect the power from the PDC to the Star Hub by removing the fuses
from the relevant NTTR76 units.
On the FSP front panel, power down the ringing generators, power
converters, line drawers and NTTR73 universal maintenance pack (UMP) in
the control shelf by setting the circuit breakers listed in the following table to
the OFF position.
Unit
number Purpose
Unit 0 NT6X53 power converter, slot 3
Unit 0 NT6X53 power converter, slot 5
Unit 0 NTTR60 ringing generator, slot 1
Unit 0 Talk battery A feed to the 9 line drawers 1 - 4, 9 -13 and UMP
packs, in unit 0/1, slot 11/13
Unit 1 NT6X53 power converter, slot 20
DMS-100 Family NA100 Star Remote System XPM15 and up
NTTR76
in a STAR
(continued)
12-171