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Bell System Practices 831 Series Installation & Maintenance Instructions Manual

Telephone sets

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BELL
SYSTEM
PRACTICES
AT&
TCo
Standard
SECTION
S03-702-1 01
Issue
9,
January 1980
831- AND 2831-TYPE TELEPHONE SETS
IDENTIFICATION,
INSTALLATION,
MAINTENANCE, AND CONNECTIONS
1.
GENERAL
1.01
This
section
contains information for the
831-
and 2831-type
te lephone
sets.
1.02
This
section
is
reissued
to:
Show
831DM and
2831DM
telephone
set
MD
Show G12A handset
(A&M Only)
Show 3-type speakerphone MD
Show 533K
diode for use with Station Busy
Lamp, and Dial Restriction
Add information on 831FM and
2831FM
telephone sets
Add Table A, ordering guide and replaceable
components
·
·Remove information on P-90D170
polarity
guard
Remove information on D-180656 Kit of
Parts
(wall
mounting arrangement)
Since this reissue
covers a
general revision, arrows
ordinarily
use
to indicate changes
have
been
omitted.
2.
IDENTIFICATION
A.
Purpose
2.01
The831-
(Rotary
dial) and
2831-(TOUCH-TONE"'
dial,
Fig.
1) type telephone sets are
obtainable
as modu lar or complete desk-type, 20-button, key
telephone sets equipped to
provide
standard
key
system
features.
Refer
to Table
A for
available
colors.
Fig.
1-2831DM (MD) or
2831FM Telephone Set
B.
Application
2 .02
Used
with
cent
ral
office,
PBX or
intercommunication
line circuits
in
lAl,
1A2,
or 6A key
telephone
system (KTS).
These
sets
are
not
equipped
for
use
with
lA
KTS.
2.03
All 831-
a
nd
2831-type telephone
sets
may
be used with
the
3-type
(MD)
or 4A
speakerphone
system.
When used with 3-type
speakerphone,
a DlOR auxiliary mounting cord may
be
required
due
to
the
limited
number
of mounting
cord
conductors.
C.
Optional
Components
2.04
Optional
Components
(order
separately):
Diode,
533K.
(for
use
with
station
busy
lamp)
NOTICE
Not
for
usc)
OJ
'
disclosure
outside
the
Bell System
except
under
writl~n
agreement
Pl'inted
in
U.S.A.
Page
1

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This manual is also suitable for:

2831 series831cm831fm2831cm2831fm