TM 9-2350-277-34
PATCH PANEL BOX A10 INOPERATIVE (M1068A3 ONLY)—Continued
0010 00
EY
NOTE
Use patch cable with multimeter. See WP 0012 00 for
instructions and wiring diagram.
1. Remove cable W126 plug P108 (1) from Patch Panel Box A10
jack J139 (2).
2. Measure resistance between 12 pairs of telephone jacks (3)
marked ROADSIDE DATA PANEL and sockets on jack J139 (2)
as follows:
Jack 1 (Bot) to socket A
Jack 1 (Top) to socket B
Jack 2 (Bot) to socket C
Jack 2 (Top) to socket D
Jack 3 (Bot) to socket E
Jack 3 (Top) to socket F
Jack 4 (Bot) to socket G
Jack 4 (Top) to socket H
Jack 5 (Bot) to socket J
Jack 5 (Top) to socket K
Jack 6 (Bot) to socket L
Jack 6 (Top) to socket M
Jack 7 (Bot) to socket N
Jack 7 (Top) to socket P
Jack 8 (Bot) to socket R
Jack 8 (Top) to socket S
Jack 9 (Bot) to socket T
Jack 9 (Top) to socket U
Jack 10 (Bot) to socket V Jack 10 (Top) to socket W
Jack 11 (Bot) to socket X Jack 11 (Top) to socket Y
Jack 12 (Bot) to socket Z Jack 12 (Top) to socket a
3. Does multimeter read 0 ohms for each measurement?
YES
NO
EYN
1. Repair Patch Panel Box A10
(WP 0099 00).
2. Verify no faults found.
0010 00-9
