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:
J1 (Bot) to s1
J1 (Top) to s2
J2 (Bot) to s3
J2 (Top) to s4
J3 (Bot) to s5
J3 (Top) to s6
J4 (Bot) to s7
J4 (Top) to s8
J5 (Bot) to s9
J5 (Top) to s10
J6 (Bot) to s11
J6 (Top) to s12
J7 (Bot) to s13
J7 (Top) to s14
J 8 (Bot) to s15
J8 (Top) to s16
J9 (Bot) to s17
J9 (Top) to s18
J10 (Bot) to s19 J10 (Top) to s20 J11 (Bot) to s21
J11 (Top) to s22 J12 (Bot) to s23 J12 (Top) to s24
J13 (Bot) to s25 J13 (Top) to s26 J14 (Bot) to s27
J14 (Top) to s28 J15 (Bot) to s29 J15 (Top) to s30
J16 (Bot) to s31 J16 (Top) to s32 J17 (Bot) to s33
J17 (Top) to s34 J18 (Bot) to s35 J18 (Top) to s36
J19 (Bot) to s37 J19 (Top) to s38 J20 (Bot) to s39
J20 (Top) to s40 J21 (Bot) to s41 J21 (Top) to s42
J22 (Bot) to s43 J22 (Top) to s44 J23 (Bot) to s45
J23 (Top) to s46 J24 (Bot) to s47 J24 (Top) to s48
J25 (Bot) to s49 J25 (Top) to s50 J26 (Bot) to s51
J26 (Top) to s52
3. Does multimeter read 0 ohms for each measurement?
YES
NO
FYN
1. Repair Patch Panel Box A10
(WP 0099 00).
2. Verify no faults found.
0010 00-11
