TM 11-5805-386-34/NAVELEX 0967-466-1020
2 - 7 . Operational Performance Test
a. Test Equipment and Materials.
( 1 ) Connect T A - 3 4 1 ( * ) / T T s e n d p a i r
through
TS-402(*)/U to
CV-1919A/G
(1) Telephone TA-312/PT with Plug PL-51.
CHANNEL 1 RECEIVE pair.
(2) Telephone Set TA-341(*)/TT.
(2) Connect TA-341(*)/TT receive pair to
(3) Attenuator TS-402(*)/U.
CV-1919A/G CHANNEL 1 SEND pair.
c. Procedure.
Control settings
Step
Equipment under
No.
Test l quipment
test
Performance standards
Test procedure
--
1
Handset of TA-
Power switch to
SERVICE REQUEST indicator
Remove handset from TA-341(*)/TT
341(*)/TT on
INT. NIGHT
glows and ringback
and listen for signal.
hook.
ALARM OFF-
signal is heard.
TS-402(*)/U to
LOUD to OFF,
24 dB.
(Batteries in-
stalled)
Rotate NIGHT ALARM OFF-LOUD NIGHT ALARM sounds and
2
its volume increases
control clockwise.
as control is rotated.
SERVICE REQUEST indicator
3
Handset of TA-312/PT
Connect TA-312/PT to channel
light goes out and
on hook.
jack of channel under test.
NIGHT ALARM stops.
4
None
TS-402(*)/U to
Establishes two-way communica-
tion between TA-312/PT and
0 dB.
TA-341(*)/TT; then disconnect
TA-341(*)/TT send pair from
TS-402(*)/U.
Press RELEASE pushbutton
2600-Hz signal is heard for
Listen for signals
Press and hold
momentarily.
3 to 10 seconds.
in TA-341(*)/TT
ACCESS push-
receiver.
button.
Press and hold
Press SEIZE pushbutton.
2250-Hz signal is heard.
ACCESS push-
button.
Press and hold
Press keycall pushbutton 1, then
DTMF signal is heard for
ACCESS push-
2, etc. to check all keycall
each keycall pushbutton.
pushbuttons.
button.
5
Reconnect TA-
Handsets of TA-312/PT and
SERVICE REQUEST indicator
341(*)/TT send
and NIGHT ALARM activated.
TA-341(*)/TT on hook.
pair.
SERVICE REQUEST indicator
Handset of TA-341(*)/TT off
6
TS-402(*)/U to 24
and NIGHT ALARM remain
hook.
dB.
activated and ringback
is heard in TA-341(*)/TT.
Disconnect TA-312/PT from chan-
SERVICE REQUEST indicator
7
nel jack.
and NIGHT ALARM remain
activated.
SERVICE REQUEST indicator
Connect TA-312/PT to other
8
and NIGHT ALARM are
jack of channel under test.
deactivated.
Place handset of TA-341(*)/TT
SERVICE REQUEST indicator
9
on hook.
and NIGHT ALARM are
activated.
SERVICE REQUEST indicator
Disconnect TA-312/PT from
10
and NIGHT ALARM are
channel jack.
deactivated.
11
Repeat complete test for
channels 2 and 3.
2-17
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