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Ringer; Buzzer; Handset Jack - Bell System Practices TOUCH-A-MATIC 2872A1M Identification, Installation, Connections, Operation, And Maintenance

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ISS 5, SECTION 503-603-101
• Record
disable
feature,
only.
(1)
Remove
housing
(paragraph
3.21).
(a) RECORD
lamp
will
not
light
when
(2)
Access PSB terminal
area (paragraph
3.17).
RECORD
button
is depressed.
(3)
Remove
cradle
(paragraph
3.20).
(b) No telephone
numbers
can be recorded,
changed,
or deleted
in memory.
(4) Thread
jackset
cord through
hole in rear of
housing and make connections
per appropriate
(c) LAST
NUMBER
DIALED
feature
is
table
provided
with
Plantronics
Jackset.
operative.
(5)
Reassemble
telephone
set.
• Record
disable
and dial intermix
features.
(6) Insert
head telephone
set plug into jackset.
(a) RECORD
lamp
will
not
light
when
record
button
is depressed.
_
Other
optional
components
may
be
used such as SPOKESMAN
_ loudspeaker
(b) No telephone
numbers
can be recorded,
sets,
etc.
Refer
to the
appropriate
changed,
or deleted
in memory,
section
for
connection
information
for
these
components.
(c) LAST
NUMBER
DIALED
feature
is
disabled.
COMPONENT LOCATION AND ACCESS INFORMATION
(d)
Manually and automatically
dialed digits
A.
Location of Components
may be intermixed
(paragraph
5.07).
3.14
The components
are
located
in three
areas
(10)
Reassemble
set.
as follows.
E.
Single Line Service
(a) Under
the
handset
cradle
(Fig.
3):
3.12
The 2870A2M
TOUCH-A-MATIC
telephone
• Buzzer
set is available
from
the factory
as a single
line set. However,
the 2872AIM (MD) and 2872A2M
• Ringer
telephone
sets
may
be
converted
to
single
line
service
as follows.
• Line switch
assembly
(1)
Remove
the
faceplate,
key
collar,
and
all
• Handset
jack
buttons
of the 635-type
key.
• Terminal
boards
(TB1 and TB2).
(2)
Gain
access
to
terminal
area
(paragraph
3.17).
(b)
Under
the
faceplate,
inside
the
set (Fig. 4
and 5):
(3)
Remove
the cradle
(paragraph
3.20).
• Battery
jack (Fig.
5)
(4) Make connection
per Table
L.
• Power
supply
(PSB)
terminal
area (Fig. 4)
(5) Reassemble
set and install
a 2870B1 faceplate
of the appropriate
color.
• Network
(Fig. 4)
Note:
If set was originally
equipped
with a
• Options
(Fig. 4):
2872A1-87
faceplate,
refer
to paragraph
6.11.
D-180492
(relay
kit for speakerphone)
F.
Head Telephone Set
D-180493
(dial
tone detector
and one-touch
3.13
To install,
calling
switch
kit)
Page 13

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