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 CABLE REPAIRS (Continued)
c.
BTS Cable W3.
Interconnects BTS +28 Vdc Power 1J3 to LRU-1 Power 1J1.
BTS CABLE W3 WIRE LIST
WIRE
CIRCUIT
AWG
FROM
TO
COLOR
FUNCTION
+28V
12
ORANGE
P1-A
P2-A
+28V
12
RED
P1-B
P2-B
12
BLACK
P1-D
P2-D
28V RET
12
WHITE
P1-E
P2-E
28V RET
12
GREEN
Pi-F
P2-F
GND
d. BTS Cable W4. Interconnects BTS Status Panel RF IN jack 1A2J2 to
LRU-1 RF OUT jack 1A1J4 (via a 30 dB attenuator). Used to sample
the RF output of LRU-1 under test.
3-114
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