TM-9-2350-277-34

CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

TM-9-2350-277-34 - Page 100 of 871

TM 9-2350-277-34

PATCH PANEL BOX A10 INOPERATIVE (M1068A3 ONLY) — Continued

0010 00

FY

NOTE

Use patch cable with multimeter. See WP 0012 00 for

instructions and wiring diagram.

1.

Remove cable W118 plug P105 (1) from patch panel

box A10 jack J135 (2).

2.

Measure resistance between 26 pairs of telephone jacks (J1 Bot or

Top to J26 Bot or Top) (3) marked EXTERNAL COMM CABLE

HOCK and sockets (s1-s52) of jack J135 (2) as follows:

Jack1(Bot)tos1

Jack1(Top)tos2

Jack2(Bot)tos3

Jack2(Top)tos4

Jack3(Bot)tos5

Jack3(Top)tos6

Jack4(Bot)tos7

Jack4(Top)tos8

Jack5(Bot)tos9

Jack5(Top)tos10

Jack6(Bot)tos11

Jack6(Top)tos12

Jack7(Bot)tos13

Jack7(Top)tos14

Jack8(Bot)tos15

Jack8(Top)tos16

Jack9(Bot)tos17

Jack9(Top)tos18

Jack 10 (Bot) to s19

Jack 10 (Top) to s20 Jack 11 (Bot) to s21

Jack 11 (Top) to s22 Jack 12 (Bot) to s23

Jack 12 (Top) to s24

Jack 13 (Bot) to s25

Jack 13 (Top) to s26 Jack 14 (Bot) to s27

Jack 14 (Top) to s28 Jack 15 (Bot) to s29

Jack 15 (Top) to s30

Jack 16 (Bot) to s31

Jack 16 (Top) to s32 Jack 17 (Bot) to s33

Jack 17 (Top) to s34 Jack 18 (Bot) to s35 Jack 18 (Top) to s36

Jack 19 (Bot) to s37

Jack 19 (Top) to s38 Jack 20 (Bot) to s39

Jack 20 (Top) to s40 Jack 21 (Bot) to s41 Jack 21 (Top) to s42

Jack 22 (Bot) to s43

Jack 22 (Top) to s44 Jack 23 (Bot) to s45

Jack 23 (Top) to s46 Jack 24 (Bot) to s47

Jack 24 (Top) to s48

Jack 25 (Bot) to s49

Jack 25 (Top) to s50 Jack 26 (Bot) to s51

Jack 26 (Top) to s52

3.

Does multimeter read 0 ohms for each measurement?

FYN

1.

Repair patch panel box A10

(WP 0099 00).

2.

Verify no faults found.

0010 00-11

Change 4