LAMP TEST PROCEDURES.

T.O. 31W2-2GSC24-2

TM 11-5805-688-14-1

NAVELEX 0967-LP-545-3011

display of the self-test results is

NOTE

approximately 10 seconds. The time

required for output rates less than 10

The time required for the multiplexer

kbps is estimated by using the

set to stabilize when the POWER

expression: time (in seconds) =

CONTROL switch is set to the ON

90,000/Ro The time required for a

position may take several minutes.

final display of the self-test results is

Therefore, false error indications may

approximately 10 minutes for an Ro o

occur when step 3 is performed

f155 bps.

before the multiplexer set has

stabilized.

1. Set SELF TEST switch to on (up) position.

2. Wait for completion of the self-test function

3 Press and release DISPLAY RESET switch.

within the multiplexer set and then observe that all

Observe that all indicators except POWER CONTROL

indicators are lighted and FAULT LOCATION numerical

ON indicator are out. When one or more indicators,

display is 00.

other than POWER CONTROL ON indicator, are lighted,

wait 60 seconds and repeat this step.

3. Set SELF TEST switch to off (down) position.

Observe that all indicators except POWER CONTROL

4-8.

LAMP TEST PROCEDURES.

ON indicator are out.

1. Press and hold LAMP TEST switch. Observe

that all indicators are lighted.

FAULT LOCATION

numerical display is 88.

4-10.

STOPPING PROCEDURES.

1. Set POWER CONTROL switch to OFF.

2. Release LAMP TEST switch. Observe that

all indicators except POWER CONTROL ON indicator

2. Observe that all indicators are out.

are out. FAULT LOCATION numerical display is out.

4-11.

EMERGENCY STOPPING PROCEDURES.

4-9.

SELF-TEST PROCEDURES.

1. Set POWER CONTROL switch to OFF.

NOTE

For multiplexer output rates (Ro

2. Observe that all indicators are out.

above 10 kbps, the time required for a

final

4-4