Lucent Technologies SLC 5 Series - Page 454

363-205-401 Conversions:
Issue 7, March 1997 Page 1 of 12
DLP-507
Install Line Interface Unit (LIU)
SUMMARY:
Set option switches located on side of
LIU
circuit board. Insert
LIU
into
facility shelf in appropriate
LIU
slot. Verify that
FAIL
indicator on
LIU
lights
momentarily and then goes off and remains off.
1.
!
CAUTION:
An AUA62, AUA62B, AUA62C or AUA62D (line powering) LIU should
not be installed in any SLC Series 5 carrier system dual bank assembly
that is used in conjunction with a lightwave multiplexer.
!
CAUTION:
Incorrectly set LIU option switches may result in immediate or future loss
of service or may introduce errors into the digital bitstream. All LIUs in the
same bank should have identical option switch settings.
Get one
LIU
(Figure 1, Figure 2, or Figure 3) and inspect for possible damage.
2. Is
LIU AUA61
,
AUA61B
,
AUA61C
or
AUA61D
being installed in the channel
bank?
If
YES,
then continue with Step
3.
If
NO,
then proceed to Step
6.
3. Using orange stick (KS-6320, L1) or equivalent, set equalizer switches
S400
on
LIU AUA61/AUA61B
or
S2
on
LIU AUA61C
or
AUA61D
per work order
(Table A).