TM 9-2350-277-34
EXTERNAL COMMUNICATION BOX A11 INOPERATIVE (M1068A3 ONLY)
0011 00
INITIAL SETUP:
Maintenance Level
Direct Support
Tools and Special Tools
Electrical Tool Kit (WP 0120 00, Item 60)
Digital Multimeter (WP 0120 00, Item 38)
Personnel Required
Radio Repairer 29E10
Helper (H)
References
See your -10
See your -20
See M1068A3 wiring diagram (see your -20)
Equipment Condition
Engine stopped (see your -10)
Carrier blocked (see your -10)
WARNING
HIGH VOLTAGE is used in the operation of this equipment.
DEATH ON CONTACT may result if personnel fail to observe safety precautions.
NEVER work on equipment unless at least one other person familiar with the operation and
hazards of the equipment is nearby. That person should also be familiar with giving first aid.
When an operator helps a mechanic, that operator must be warned about dangerous areas.
SHUT OFF POWER supply to equipment before beginning work. Make sure all external power
is off/disconnected.
BE CAREFUL not to contact high-voltage connections when installing or operating this
equipment.
T
1. Is there output from DATA PAIRS posts 1 thru 8?
YES
NO
GO TO BY (PAGE 0011 00-3)
Y
1. Is there output from LAN jacks A and B?
YES
NO
GO TO CY (PAGE 0011 00-4)
0011 00-1
