DECODER ERROR DETECTOR

TM 11-7440-232-12/NAVELEX 0967-LP-275-5010

· During maintenance and testing, switch position

BACK-TO-BACK allows testing of the receive

and transmit branch by routing the transmit

branch output into the receive branch.

DECODER ERROR DETECTOR

BIT RATE Switch ·

· Two position toggle switch ·

· During operation, controls received data rate

LOW-600/1200 bps

HIGH-2400 bps

DIGITAL RECEIVER CLOCK

BIT RATE Switch ·

· Three position rotary switch

· During operation, controls operating data rate of

receive and transmit branches 0.6, 600 bps 1.2,

1200 bps 2.4, 2400 bps

DATA CARRIER ALARM

ALARM CUTOFF Switch

· Two position toggle switch

· During operation, controls output of alarm signal

to peripheral data center visible/audible alarms

NORM, alarm signal routed to peripheral alarm

IN CUT OFF Position, cancels alarm signal

POWER SUPPLY

ON/OFF Switch

· Two position toggle switch

· Turns power supply on or off

· During operation, switch position ON applies low

voltage power to digital data modem

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