 |
|||
|
|
|||
|
Page Title:
THE VOLTAGE AT BINDING POSTS L-1 and L-2 MAY BE AS HIGH AS 90 VOLTS. |
|
||
| ||||||||||
|
|
 TM 11-5820-489-20
TO 31R4-2GRA6-32
THE VOLTAGE AT BINDING POSTS L-1 and L-2 MAY BE AS HIGH AS 90 VOLTS.
Set the control switches of both control units in the TEL and TEL ONLY position.
q
Press the push-to-talk switch on the handset and talk into the microphone.
q
Duplex operation: both operators talking should be possible.
q
Release push-to-talk switch to listen.
q
NOTE
To conserve battery power, press the
push-to-talk switch only when necessary.
B. Telephone Line Connections.
Continuity Measurement
q The LINE-1 binding post of the remote and local units must be connected by one wire
of the two-wire telephone line.
q The LINE-2 binding post must be connected by the other wire of the two-wire telephone
line.
q Use Multi meter AN/URM-105 to measure ohms across the ends of the telephone line to
help identify the wire ends for proper connection.
q Use Multi meter AN/URM-105 to measure continuity by connecting one lead of multimeter
to one end of wire.
q Connect other multimeter lead to either of the two other ends of wire until a low
resistance is found.
q Then tag both ends as L-1.
2-12
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals