TM 11-5820-890-30-4
3-7. INTERCONNECTING DEVICE J-4501/GRC. Continued
d. Cables. There are cables included in the interconnecting device. A drawing and schematic of each
repairable cable is included in figure 3-2 as an aid in repairing a defective cable. The cables are used as follows:
REF DES
OR PIN
W1
W2
W3
W4
W5
W6
W7
W8
W9
W10
W11
W12
W13
W14
W15
W16
W17
CX-4720
PURPOSE
Connects test adapter to test equipment.
Connects test adapter to RT UUT.
Connects mounting adapter to RFPA.
Connects mounting adapter J9 to control-monitor J1, J2, or J3.
Connects test adapter to mounting adapter.
Connects test adapter to control-monitor.
Connects test adapter to RFPA.
Standard 6-pin audio/data cable.
Connects test adapter to auxiliary RFPA mount.
Connects test adapter to maintenance group LRUs.
Connects test adapter to battery box.
(2-wire nonrepairable cable) Connects test power supply to test adapter.
(6-pin audio/data cable) Connects Fill Device to RT.
Connects test adapter to power supply adapter.
Connects test adapter to battery tray.
Connects test adapter to loudspeaker-control unit.
Connects test adapter to RCU.
(Power cable) Connects mounting base to 28 V dc power supply.
/VRC-12FT
e. Handset H-250/U. A standard handset is included in the interconnecting device.
f. Static Control. Included with the interconnecting device area static control mat for the workbench and
two grounding wrist straps. These are used whenever handling the radio equipment. They must be used when
handling or testing electrostatic sensitive parts.
3-4
