Lucent Technologies SLC 5 Series - Page 418

363-205-401 Conversions: NTP-010
Issue 7, March 1997 Page 3 of 6
DO ITEMS BELOW IN ORDER LISTED FOR DETAILS, GO TO
4. Remove the following circuit packs from the RT system being con-
verted:
•
ADU
•
BCU
•
TRUs
•
LIU
s
•
LSU
.
DLP-5125. Set option switches for preservice and unequipped. Install the
alarm display unit (
ADU
) and disregard all alarms.
DLP-5136. Install the bank control unit (
BCU
).
7. Remove the
ADU
. Change switch S1-5 and S1-6 to
ABE
and
CDE
. If also equipping the B DS1, change S2-7 to the left (not
labeled). If also equipping the D DS1, change S2-8 to the left (not
labeled).
Set the
NORM/CLEAR
option plug for
NORM
. Reinstall the
ADU
.
!
CAUTION:
If the NORM/CLEAR option plug is left in the CLEAR
position, administrative memory clears each time the bank
resets. This memory clearing results in a temporary service
interruption.
If a channel test unit (
CTU
) or digital test unit (
DTU
) is already
installed in the dual bank assembly, within 75 seconds, only the
MJ
and
NE
LEDs on the
ADU
and the
DIGROUP
LEDs on the
BCU
stay lighted.
Otherwise, within 75 seconds, only the
FAIL
,
MN
, and
NE
LEDs
on the
ADU
stay lighted.