Conversions: DLP-505
363-205-401
Page 2 of 4
Issue 7, March 1997
5.
Is LIU an AUA61C or AUA61D?
If YES, then continue with Step 6.
If NO, then proceed to Step 7.
6.
Set loopback enable/disable switch (S3) to ENB if the RT is connected to a
DDM-1000 Multiplexer. Otherwise, set it to the DIS position and proceed to
Step 8.
7.
Using orange stick (KS-6320, L1) or equivalent, set transmit and receive pad
switches on LIU per work order (Table B).
8.
!
CAUTION:
If protection line is not available, service will be interrupted while the LIU
is removed.
If protection line is available, force digroup A to protection (switch A toward f
on LSU). Remove LIU A and set [on AUA6( )C/D LIU] B/Z option (S1 or S100
Figure 1) toward Z.
Table B
AUA62( ) and AUA64( ) LIU Transmit/Receive Pad Setting
Inserted
Loss
Transmit Pad (S400/S1, S2)
Switch Settings
Receive Pad (S100)
Switch Settings
(dB)
1
2
3
4
1
2
22.5
15.0
7.5
0
OFF
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
OFF
—
—
OFF
ON*
—
—
ON*
OFF
* ON when depressed toward the numbers.