EXTERNAL COMMUNICATION BOX A11 INOPERATIVE (M1068A3 ONLY)Continued
Use connector diagram below.
1. Remove cable W118 plug P105 (1) from Patch Panel Box A10
jack J135 (2).
2. Measure resistance between pins (P1P52) on cable W118 plug
P105 (1) and pins (p1A or p1B thru p26A or p26B) on connector
J101 (3) of External Communication Box A11 (4) as follows:
P1 to p1A
P2 to p1B
P3 to p2A
P4 to p2B
P5 to p3A
P6 to p3B
P7 to p4A
P8 to p4B
P9 to p5A
P10 to p5B
P11 to p6A
P12 to p6B
P13 to p7A
P14 to p7B
P15 to p8A
P16 to p8B
P17 to p9A
P18 to p9B
P19 to p10A P20 to p10B P21 to p11A
P22 to p11B P23 to p12A P24 to p12B
P25 to p13A P26 to p13B P27 to p14A
P28 to p14B P29 to p15A P30 to p15B
P31 to p16A P32 to p16B P33 to p17A
P34 to p17B P35 to p18A P36 to p18B
P37 to p19A P38 to p19B P39 to p20A
P40 to p20B P41 to p21A P42 to p21B
P43 to p22A P44 to p22B P45 to p23A
P46 to p23B P47 to p24A P48 to p24B
P49 to p25A P50 to p25B P51 to p26A
P52 to p26B
3. Does multimeter read 0 ohms for each measurement?
1. Replace cable W118 (WP 0108 00).
2. Verify no faults found.