FOUR-WIRE CIRCUIT WITH ONE-WAY REVERSIBLE TELETYPEWRITER TRANSMISSION.

TM 11-5805-246-10

2-8. FOUR-WIRE CIRCUIT WITH ONE-WAY REVERSIBLE TELETYPEWRITER TRANSMISSION.

This task covers:

Transmission

INITIAL SETUP

Personnel Required

Tools

One technician

None

Equipment Condition

Materials/Parts

Equipment on

4-wire line or TG carrier terminal

ACTION

REMARKS

ITEM

LOCATION

Set to NORM.

NORM-REC-SEND

1. Telegraph terminal

switch (1)

control panel

Set to 4W.

4W-2W-TEL

switch (2)

Put gray plug into SEND jack.

Gray plug (3)

Teletypewriter

Put black plug into SEND jack.

Black plug (4)

Put red plug into REC jack.

Red plug (5)

NOTE

When using 4-wire line, the send pair is usually colored

green and black, the receive pair is usually colored red,

white, or yellow. If TG carrier terminal does not match

above color code, refer to the proper TM for connection

instructions.

2-32

Index