ELECTRICAL TEST OF BREAK OUT BOX

TM 11-6625-1831-13

5-2c

ELECTRICAL TEST OF BREAK OUT BOX

This task covers:

Electrical test of break out box

INITIAL SETUP:

Test Equipment

Special Environmental Conditions

Multimeter AN/USM-223

None

General Safety Instructions

None

NOTE

This procedure contains step-by-step instructions for testing electrical functions of the break out box.

Each test has a malfunction number listed in the REMARKS column. If any test fails use that malfunction

number to find the correct troubleshooting procedure in paragraph 5-3c.

LOCATION/ITEM

ACTION

REMARKS

1.

Function selector

To check continuity from

cable plug to front panel

jacks.

2.

CABLE PLUG 3P15

a. Pin A

Check for less than

Malfunction 1

0.1 ohm to front panel

jack A.

b Pin B

Check for less than

Malfunction 1

0.1 ohm to jack B.

c. Pin C

Check for less than

Malfunction 1

0 1 ohm to jack C.

5-23