Download Model 261 Telephone Handset

-SilAP
HOOK
LONGLINE DIALING SWITCH
(MWENTARY CONTACT)
SNAP-ACTION
PUNCTURE FOR
CONNECTS To
TEST POST
‘DIAL. TALK. TEST” I “MONITOR, HANG-U?
ROCKER SWITCH
(SHOVJN IN “DIAL. TALK, TEST” POSlllON
...RED MARKING SHOWING)
/
/
&WAY ALLIGATOR CLIPS
/
>dWAY
TUBULAR SLIDERS (2)
(MINIMIZE TANGLING)
ALLIGATOR CLIPS (2)
SUGGESTED USES:
The No. 261 Telephone
Handset
provides
I. .Troubleshootingprotective
2. Testing
audibly
for
circuits’for
presence
3. Monitoringtelephone
caters.
4. Wmnunicating
testing.
5. Dialing
lines
(speaking),
telephone
a convenient
determining
of voltage
during
via
location
on telephone
installation
testing
lines
and testing
lines , with
telephone
numbers during
means of performing
as with
a variety
of opens,
and other
grounds
telephone
of dialer
conventional
and shorts,
in lieu
of a meter.
circuits.
of automatic
recipients
of functions:
dialers
messages during
and digital
installation
comnunland
telephones.
DESCRIPTION: (See Diagram)
The telephone
handset,
Hang-up” rocker switch
;n addition
to its recei.ver and transmitter,
and *Long Line DFalDng” manentary switch.
Its attached
five foot
teninate
in versatile
and piercing
insulation
long leads are provided with two “tubular
spring
loaded alligator
type clips which
to insure good electrical
contact.
The large snap hook attached
adjacent
to the unites
free” operation
or for clipping
to a belt.
receiver
has a dial,
hro position
sliders”
to minimize
incorporate
a variety
is convenient
for
“Dial,
Talk,
Test”/Vonitor,
tangling.
The two leads
of ways of gripping
wires
hanging
up the handset
for
“hands
OPERATION:
The handset’s
rocker
switch
has two positions:
= “Dial,
Talk, Test”
F?ed Marking Showing
mck
Marking Showing = ‘Wnitor,
Hang-up”
A second switch is a mcmentary.one
and assists
long line dialing.
Position
Position
whi’ch, when depressed,
reduces
the circuit
resistance
through
the handset
I. Troubleshooting:
a.
Place the rocker
switch
In the ‘Qlbl,
Talk,
Test”
(Red Marking
Showlngl
position.
An open on a protective
circuit
may be located.by
connecting
the hpndset leads acrossthe
posjtive
(+I
If voltase
Is oresent at
and neaative
f-1 sides of the circuit
at various pol’nts alonq the circuit.
a partjcular
polnt,
a “click”
wlll’be
heard in the handset’s-receiver,
1,ts loudness dependent on the
If no sound is heard, voltage
is not present and an open is located between that point and
voltage.
the last place a click can be heard.
/1
‘__ ,.’
on a show window or elsewhere
in a loop of the same polarity
msy be detected
by conb. An open in foil
necting the handset across the suspected portion
of the loop.
If an open is present in the section
being tested,
a click will be heard‘(aIthough
muchueakerthan
from a positive
and negative voltage).
C.
An lntermlttent
ground or short on a protective
circuit
wi I I ‘result
sound in the No. 261 when it is connected across the circuit
wires.
various points to determine when the sound ceases.
in a “crackling”
or “frying”
The circuit
should be opened at
2. Testing for voltage on telephone
lines or.other
circuits
may be done simply by connecting
the No. 261
across the wires in question with the rocker switch in the “Dial.
Talk, Test” (Red) position.
D.C. is
indicated
by a single click as the connection
is made. A.C. results
in a continuous
hum after Iheconnection
is made.
3. Monitoring
placing the
across the
as long as
of calls made by autcmatic
telephone
dialers
or digital
communtcators may be accomplished
by
No. 261’s rocker switch in the “Monitor,
Hang-up” (Black) position
and connecting
its leads
telephone
lines:
The presence of the’Mo. 261 will not affect
the operation
of the equipment,
the switch is kept in the ‘Monitor,
Hang-up” IBlack) position.
.
4. CMnunicating
(speaking)
over the telephone
lines directly
to recipients
of dialer
messages during installation and testing
greatly
reduces the amount of tlme and uncertainty
involved
in testing.out
all telephone numbers on the tape.
and tape is installed
and telephone
a. After dialer
switch in the “Monitor,
Hang-up” (Black) position
line in parallel
with the dialer.
b. Put DIALER switch
C.
Activate
dialer
in the “Connected
and listen
lines have been connected,
and connect the No. 261%
to phone lines?
to number being
place the No. 26lts rocker
leads across the telephone
position.
called.
d. At the completion
of,the
first
dialed number wait until
the
the No. 261’s rocker switch to the “Dial,
Talk, Test” (Red)
“Disconnected
frcm phone I ines” position.
This will now put
munication
with the recipient
of the call and enable him to
first
ring is heard and at tha& time push
position
and the DIALER switch to the
the installer
in direct
telephone
comverify
that the right party has been reached.
e. To hang up, simply
Hang-up”
Repeat steps
f.
“b”
return
through
the No. 261’s
“e”
for
switch
to “Monitor,
(Black).
each number programned.
5. Dialing
a telephone
number may be accomplished
as follows:
Place the No. 261’s rocker
Talk, Test” (Red) position,
connect the No. 261 across the telephone
lines,
listen
for
To hang up, press the No. 261’s rocker switch to “Monitor,
Hang-up” (Black).
switch in the “Dial,
dial tone, and dial.
SPECIFICATIONS:
Physical
:
*Length :
Width:
Thickness:
**Height:
Leads:
8 l/2”
(21.6 cm)
2 l/2”
( 6.4 cm)
I l/4” to I 3/4”
(3.2 cm to 4.4 cm)
3”
(7.6 an)
5’
(I.5 m) long with tubular
sliders
and wire
clips
*Not incl. 3” (7.6 an) long snap clip.
**Resting
on back, on flat surface.
Weight:
I8 oz.
(0.5
Kg1
ALARM WCE
MANUFACTURING
CO.
A DIVlSl5lDN OF PmY
CoR#)RAXlDN
165 Green Way, Syosset, New York ll79l
P3953 Rev. II78
32
‘26
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