Lucent Technologies SLC 5 Series - Page 423

Conversions: NTP-011 363-205-401
Page 2 of 4 Issue 7, March 1997
DO ITEMS BELOW IN ORDER LISTED FOR DETAILS, GO TO
Remove the following circuit packs from the RT system being con-
verted:
• Alarm display unit (
ADU
)
• Bank control unit (
BCU
)
• Transmit/receive unit (
TRUs
)
• Line switch unit (
LSU
).
DLP-5204. Set option switches on the
AUB27( ) ADU
for preservice and
unequipped. Install the
ADU
and disregard all alarms.
5. Install the
FPB BCU
removed during the conversion to FP303.
Within 30 seconds, all indicators go off. If the
PRV
LED on the
ADU
remains lighted, wait for the
PRV
LED to go off before con-
tinuing.
6. Remove the
ADU
. If equipping the AB shelf change switch S1-5
to
ABE
; if equipping the CD shelf change switch S1-6 to
CDE
.
Set the
NORM/CLEAR
option plug for
NORM
. Reinstall the
ADU
.
Within 30 seconds, only the
MJ
and
NE
LEDs on the
ADU
and
the
DIGROUP
LEDs (for those DS1s being equipped) on the
BCU
stay lighted.
7. Install an
AUA105
or
AUA109
transmit/receive unit (
TRU
) in AB
shelf. Verify that the
TRU FAIL
LED lights and goes off.
In about 25 seconds, one of the following happens:
• If equipping only the AB shelf with no protection switching, all
alarms clear.
• If equipping only the AB shelf with protection switching, only
the
MN
and
NE
LED on the
ADU
stay lighted.
• If equipping both the AB and CD shelves with or without pro-
tection switching, only the
MJ
and
NE
on the
ADU
and the
DIGROUP C
and
D
LEDs on the
BCU
stay lighted.