Bell System Practices 831 Series Montage- und Bedienungsanleitung

BELL

SYSTEM

PRACTICE

AT&

TCo

Standard

SECTION

S03

702

-101

Issue

January

1980

831-

AND

2831-

TYPE

TELEPHONE

SETS

IDENTIFICATION, INSTALLATION, MAINTENANCE, AND CONNECTIONS

GENERAL

1.01 This section contains information for the

831-

and 2831-type telephone sets.

2 This section is reissued

to:

• Show

and

2831DM telephone

set

• Show G12A

handset

(A&M

Only)

• Show 3-type speakerphone

• Show

533K

diode for use with Station Busy

Lamp,

and

Dial Restriction

• Add information

831FM and 2831FM

telephone sets

• Add Table

ordering guide

and

replaceable

components

· ·Remove information on P-90D170 polarity

guard

• Remove information on D-18

0656

Kit of

Parts

(wall mounting

arrangement)

Since

this

reissue covers a general revision,

arrows

ordinarily use to indicatechanges

been omitted.

IDENTIFICATION

Purpose

2.01 The831-(Rotary dial)and2831-(TOUCH-TONE

dial, Fig. 1) type telephone

sets

are

obtainable

as modul

or complete desk-type, 20-button,

key

telephone sets equipped to provide

stan

ard

key

system features. Refer to

Tab

le A for available

colors.

Fig

1-2831DM

(MD)

2831FM

Telephone

Set

B. Application

Used

with

cent

ral

office,

PBX

intercommunication line circuits in

lAl,

1A2,

key telephone system (KTS). These

sets

are

not equipped for u

with

KTS.

2.03

All

831- and 2831-type telephone sets may

used

with

e 3-

type

(MD)

speakerphone system. When used with 3-type

speakerphone, a

DlOR

auxiliary mounting cord may

be required due to the limited number of mounting

rd conductors.

Optional

Components

2.04

Optional Components (order

separately):

• Diode,

533K.

(for u

stat

ion busy

lamp)

NOTICE

Not for

usc

) OJ' disclosure outside

the

Bell System exce

under

writl~n

agreement

Pl'inted in U.S.A.

Page

SECTION

503-702-101

• Diode,

533K

for dial restriction (831-type

sets only)

• Buzzer, KS-8109L2

• Buzzer,

KS-20419L1

(one provided with set)

•

819041971

(P-900197) adhesive backed Polarity

Guard, 2831-type

• Lamp,

51A

(hold button for message waiting)

• Dial, 8CA-58 (for 831-type

set

used with

speakerphone).

D. Ordering

Guide

For telephone set, faceplate, and replaceable

components ordering guide, refer to Tables

A a

E. Design

Features

Design features for

831-

and 2831-type

sets are as follows:

• Modular set

• 20-button; a HOLD button and

pickup

buttons (all telephone sets except the

[831DM

(MD), 831FM,

2831DM

(MD), and

2831FM],

all pickup buttons

are

convertible to signaling

• 20-button; a HOLD button,

pickup, 3

intercom, and 1 RECALL button

[831DM

(MD),

2831DM

(MD), and

283

1FM

TABLE A

only], all i

ercom and pickup buttons are

convertible to signaling

• Automatic Button Restoration (ABR) with

preselect [831DM (MD), 831FM, 2831DM

(MD), and

2831FM]

telephone

set

only

• Multiline Conferencing (MLC)

831DM

(MD),

831FM,

2831DM

(MD), and 2831FM telephone

setsonl

pickup lines only (

conferencing

intercom lines or pickup-to-intercom lines)

• Hold button can

illuminated (lamp ordered

separately)

• KS-20419L1 buzzer provided and connected

to dedicated mounting cord leads

• Provisions for mounting KS-8109L2 buzzer

or additional KS-20419L1 buzzer(s) on base

pan

• Provision for polarity guard assembly (optional)

on all

2831

type

telephone

sets

except

2831DM

2831FM

sets

• Plug-in handset [G12A

(A&M

Only) or

G15A]

•

access hole is provided in the P1-type

ringer for ringer biasing spring

adjustment

(refer to Section 501-259-101)

• Limited number of mounting cord conductors

restricts number of optional features wh

may

simultaneously provided.

additional

TELEPHONE

SETS

ORDERING GUIDE

AND

REPLACEABLE COMPONENTS

FACE·

HANDSET

TEL

SET BASE

HOUSING

DIAL

KEY

PLATE

HANDSET

CORD

LAMP

831CM

832

A-•

8RA-58

647A5C

833A-•

Gl5A·*

H4DU·* 51 A

64785

831FM

832A·*

8RA-

647AH5

833A

-•

Gl5A

·*

H4DU

·* 51 A

647AL5C

283

M 2831CM

832A-•

35AF3A

647A5C,

2833A

-•

Gl5A-•

H4DU

-• 51A

64785

283

1FM

2831FM

832A·*

35AF3A

647AH5,

2833A·*

Gl5A

·*

H4DU

·* 51A

647AL5C

• S

Table

for

color

suffix

Page

TABLE

COLOR ORDERING GUIDE

HOUSING, HANDSET,

AND HANDSET

CORD

FACEPLATE

COLOR

SUFFIX

COORDINATED

SUFFIX

COLOR

ack

-03

Charcoal

-70

Ivory

-50

Muted

Ivory

-80

Green

-51

Light

Green

-71

Red

-53

Muted

Red

-69

Yellow

-56

Light Yellow

-72

While

-58

Light

Gray

-73

Light Beige

-60

Muted

Beige

-75

Aqua Blue

-62

Muted

Blue

-76

conductors are required, an auxiliary D10R

cord may be used

• 3-type (MD) or

speakerphone

(paragraph

2.03)

• Tip and ring

are

common to all pickup

buttons through

internal

mounting cord

wiring (current sets) and

ntr

strips

(early

sets).

Operating

Features

The operating features for the

831-

and

2831-type telephone sets are the same as

all

sta

ard

key

type telephone sets with

the

following exception. The

831DM

(MD), 831FM,

2831DM

(MD), and 2831FM telephone sets provide

the following additional features.

(a)

Multiline

Conferencing:

Any

combination

of pickup buttons may

simultaneously

depressed, for this feature, however,

is not

possible to conference

PBX

lines with the

dedicated intercom lines or intercom lines with

each other.

When

lines

are

conferenced

distant

stations

may

have

difficulty

hearing

each

other

and

transmission

quality

not

guaranteed.

(b)

Automatic

Button

Restoration

(ABR):

The

ABR

feature releases locked-down buttons

when the hand

set

is restored. The buttons may

ISS

SECTION

503-702-101

preset without removing the handset from

the cradle.

(c)

Line

Recall:

An amber-capped recall

button is provided to simulate switchhook

flash without releasing the buttons. This button

is located on the left end of the top 10-button

key.

(d)

Intercom:

Three buttons are dedicated

to the intercom feature. These buttons are

located

the right end of the lower 10-button

key and may

converted in the

standard

manner to provide signaling or may

used for

CO/PBX lines. However,

PBX

lines when

term

inated

these

positions

will n

conferenceable.

3. INSTAUATION

3.01

all the completely assembled telephone

set

or assemble the required components to

the telephone

set

base (Fig.

Note:

current

production keys the cap

must

properly oriented to lock the cap

the button.

Individual signaling may

provided

converting a locking key button to nonlocking.

Remove the

812857738

(P-28E773) locking pin from

the button to

converted and modify per Table

3.03

an additional buzzer is required, plastic

grommets and mounting screws

are

provided for installation. The additional KS-8109L2

or KS-20419L1 buzzer must

ordered separately.

Dial

Restriction.

(1) 831-Type Telephone

Set

(a) Install a

533K

diode between terminals

and F of the network as shown

Fig.

(b) Wire telephone

set

shown in Table

(2) 2831-Type Telephone Set: Wire telephone

set as shown in Table E.

(3) Installations as described above will restrict

dialing on all lines of the respective telephone

Page

SECTION

503-702

-101

NOU

13\0M

F"~

TEL.t.PHONf SET SAM£

II(CX.Pf

HA$ ROTARY DIA.l AND 833A fA(fii'LAT!!.

Fig. 2 - Stotion

Modular

Arrangement

2831DM

(

) or

2831FM

Telephone

Set

set.

permit

dialinl{ on

selective

lines,

reverse

tip

and

ring

leads

the

line involved

the

distr

ibu

tion

terminal

or 66-type conrH'Cting block.

When a 2

atr

ix block is u

d, the revers

ndu

be done

the telephone

8et

e or the

mat

rix block.

(

add

tional

restriction

informati

on,

refer

Section

500-155-100.

Polarity

l{uard (28.11-type except

e 28.'HDM

and

2831

F~1;

soc

paragraph

3.06) should

d o

spccifi~

by lo

l in

iom: f

nrl

-t.o-e

sig

l-(

ins

talla

tions where

battery

and

gro

und

ever

may

be encoun

tered.

·119

-900

97)

arity

guard

as:-;embl

(ad

hesive

back

ed)

installed

eve

space

permits.

Connect

per

Tahle

3.06

e 831Dl\·1,

831

FJ\'I.

2831Dl\·l,

and

2831FM

telephon

set

empl

oys

the

2Al

x hlock

in lieu of the

polar

1-(ua

rd desc

rib

ed in

raw a

3.05.

e un

provid

(•s

eig

ht polarity guard

circ

uits.

One pol

arity

gu<lrd

circuit

required

for

eac

line

which

conferenccable

multibutton

depression.

The

polarity

guard

located

betwf.'en

the

station

Page

side

the

line

circuit

and

the

sta

tion

cut-down

field.

3.07

Where co

nditi

.ons

ant,

A6, G12A,

GInA hand

set

rep

laced

with

oth

ypes

ows:

• For

impaired

hearin)!

G6-type

•

For

weak

speech

G7-type

•

For

noi

location

- GB

·type.

Refer to

vi~

o n

50J

r connections of

these

andsets.

When ei

er of

the!:~·

handse

ts are used.

l-14DU

H4CJ

e<1uiva

ent

handset

cord must

sed

(S<'C

paragraph

3.08).

Insta

lling

pad

Tipp

lland

t C

ord

Early

Produ

tion

Sets

Equipp

with

Gl2A

llnndset:

'l'o

install

ade

-tipped

ha nd

t cord (H4CJ or e

qui

valen

remove J

ook

hand from

the

cord. Cut

back

and

remove

cord s

heath

stayb

and

ark

rad

spade

-tipped

condu

cto

through

plug (Fi)!.

(spade

tips

must

b('nt

clear

cord

ent

ran

Pull

cord

until

about

1-inch

cord

sheath

in the

central

cavity

e plug.

Separate

the

conductors

two

groups

and

tie

overhand

knot, pulling the

knot

the cord sh

eat

the cord f

rom

plug

until s

train

relief position is

utta

ed by

knot

cri

sheath

and r

esting

a!{ainst plug. Feed

spade-tipped conductor

raight through jack8

1226

6203

(P-22F620)

and

connect

proper

rmin

als

Insert

ug in jack.

8402

17590

PLUG

Fig. 3

-ln

stalling

Spade-Tipped

Hand

Cord

lead

Note

: On l

ater

version

telephone

base, a p

g is

t required and a notch

pro

ded on front lip

base

pan f

J Hook

Stayband

of nonmodul

type cords.

When

adding

speakerphone

8.~1-type

telephone

sets,

the

dial

must

pla

ced

8CA dial (or·der

separat

ely) to provide

additionaloff-normalco

nta

cts

requiredforspeakerphone

con

nect

ions.

en using

speake

rph

one with telephone

sets

equipped

with

the

new

lin

switch

assembly, make

wiring

chang

es shown in

Tab

le I.

The new line switch can be

irle

nti

etl by two

additional l

ead

s w

e Blue (BL).

The

1F:\1

and

2831FM telephone

sets

may

used in all cases

directly

replace

the

(

)

28310

(:'1-10)

telephone sets,

spectively.

ISS

9, SECTION

503

702

-101

How

ev<'r,

due

wmng

cha

nges,

the

codes

<:an

not

always

be used

replace

the

J<'

M codes.

4. MAINTENANCE

4.01

Iai

ntenanc

the

831- a

2831-ty

ephone

set

should be limited

checki

for loose

oken connections

and

replace

ment

item

per

local i

nstru

ions.

Early

nuf

actu

red

cords

neutra

l light

pearl-gray

(-82}

and

dark

gray-brown

{

-83)

ted

. All new

mounting

cords

will

satin-silver

(-87).

4.03

rrent

sets

e equipped with a

PlB

ringer

wh ich does n

have

e (S-R), (S), (BL)

leads.

For

maintenanc

e purposes,

either

the

PlB

PiA

ring

may

used.

(

PlA

ringer

provided,

insulate

and

store

the

unused leads.)

4.04

maintenanc

keys,

bu?.z

ers,

dials,

spca

ket·phone compone

s, and pol

efer

approp

ria

sec

tions

perta

ining to

these

items.

The

current

production 647-iype keys

have

been modified

for

easy

lamp

replaceme

by merely removing the bu tton

cap

and

inse

rting

a 553-typc tool

throu

gh the hole

the top

the

button

. In

y produ

ion models it is necessa

to remove faceplate, key collar,

and

ton f

lamp

replacement.

N ote:

When

nstalling

or r

eplacing

6<17

-type key f

ainte

anee

in the

and

2831

-ty

pe key

epho

set,

the

81285

770-1

(P-28

·~770

)

atch

bar

ring

must

be removed

l.n

JlrPvl'nt

me.ehanic:~l

ess

on the latch

bar

pivot

bar

action.

~·or

information

removal procedures,

refer

Section 512-230-101.

'felephone

s s

hould

N01'

be ca

rried

the

hand

adl

Lin

itch

ilure

y be

excess

th e

cra

e a

the

line

switch

morm

tin

rrang

ement.

5. CONNECTIONS

Due to

the

lim

ited

numb

mou

ting

ondu

ors

the

tele

one

sets

n o t

foll

o w s t a

ndard

w ir

ing

Page

SECTION

503-702-101

arrangements

(Fig.

through

14).

5.01

provide mounting cord lead for illuminating

the

HOLD button the ringer or buzzer leads

must be used, meaning, only two of the three

options (ringer, buzzer, or hold lamp) may be

provided

the same time.

5.02

provide station busy lamp, modify the

telephone

set

wiring and connect the 533K

diode (ordered separately) per Table

provide priority hold (I HOLD) modify

the telephone

set

per Table H.

5.04

provide 3-type (MD) speakerphone leads

in the mounting cord, the buzzer leads along

with the lamp and lamp ground leads from the

last two pickup buttons of the key must

used.

auxiliary

D10R

cord may be used if these leads

are not available. Refer to Section 512-620-485

for connections and Table

provide

speakerphone connections

refer to Section 512-740-470 and Table

Page

5.06

provide polarity guard for all 2831-type

telephone sets except the

2831DM

and

2831FM

refer to Table F. The

2A1

matrix block is

used

as a polarity guard for the

2831DM

and

2831FM

telephone sets (see paragraph 5.

08)

For schematic information, refer to Fig. 5

through

5.08

The

2A1

matrix block (ordered separately)

provides

the

polarity

guard

function to

telephone

set

with

multiline

conferencing via

multibutton depression. The matrix block consists

of a 66-type molded plastic connecting block,

containing quick-connect terminals wired and equipped

with eight diode bridges for eight lines. The matrix

block is connected between the line circuit and

the station cut-down field. For connections to the

2A1

matrix block, refer to Table I.

station

requires

line

ringing

particular

line,

connect

the

ringing

leads

from

the

key

telephone

set

the appropriate terminals

011

the

LINE

SIDE

the

matrix

block,

not

the

station

side.

ISS

SECTION

503-702-101

TABLE C

PICKUP-SIGNAL KEY CONVERSION

(AU

TELEPHONE

SETS

EXCEPT

AND

FM)

CONVERSION

OPTION

64785

KEY

LEADS

(UPPER

KEY)

(NOTE)

O·W S-W G·R

BR-8K

-BR

BK-8L

R·G W-S V -

PPPPPPPPPP

23 23

23 26 26

PPPPPPPPP

19 19

23 26 26 26

PPPPPPPPS

23 26 26 27

PPPPPPPSSS

19 23

23 23

26 27 27 27

PPPPPP

SSS

19 19

23 23

27 27

PPPPP

SSS

19 19 19

23 23

27 27 27 27 27

CONVERSION

OPTION

647

ASC

KfY

LEADS

(LOWER

KEY)

(NOTE)

0-W

S-W G·R

BR·

BK BK

R·G W·S

PPPPPPPPP

7 7 7 11 11 11

15 15

HPPPPPPPP

7 7 7 11

11 15 15 27

PPPPPPP

7 7 7 11 11

15 27 27

HPPPPPPSS

7 7 7

11 11

27 27 27

HPPPPP

SSSS

7 7 7 11 11 27 27 27 27

HPPPP

SSSS

7 7 7 11 27 27 27 27 27

Note

Move

(O·

ting

cor

d l

d f

m Lerminal

[!1)

ter

nal

. B

eyon

d five signal

nversions

stra

ter

min

al 27

ve the

gnal l

eads

nsecutively

rmin

. Exam ple : (BR·B

ead

rmin

then (BL·BK ) l

fro

etc

31A1M

(

) or 28

A1M

ver

sio

her telephone sets except DM and F

Page 7

SECTION

503-702-101

tlABLE Dt

PICKUP

SIGNAL

KEY

CONVERSION [831DM(MD). 831FM, 2831DM(MD),

2831FM

TELEPHONE

SET)

CONVERSION

OPTION

647AH5

KEY

LEADS

(NOTE

BL-BK

BR-

BK-BR BK-

R-G

W-S

HPPPPPPPPP 17 17 17 11

HPPPPPPPPS

Connected

via

internal

mounting

17 17 17

HPPPPPPPSS cord wiring and terminated

17 17 17 11 27 27

Term.

and

can

not

converted

HPPPPPPSSS

signaling. 17 17 17 27 27 27

HPPPPPSSSS 17 17 27 27 27 27

HPPPPSSSSS 17 27 27 27 27 27

Note:

Move

(0-

mounting

cord

lead

from

terminal

27.

For

sixth

signal

conversion

strap

terminal

to a spare terminal and move

the

(BL-BK) signal lead from

to spare

ter

minal selected.

Page 8

ISS

SECTION

503-702-101

TABLE

DIAL

RESTRICTION

MODIFICATIONS

(NOTE 1)

TELEPHONE

LEAD

REMOVE

FROM

CONNECT

SET

FUNCTION

COLOR

NET

. SET

NET

. SET

Line

Tip

8 3

831FM

Line

Tip

8 3

and

2831FM

Line

Ring R 3 8

Line

Ring R 3 8

Line

Tip

8 6

831CM

and

2831CM

Mfg. Line

Tip

8 6

2-77

later

Line

Ring R 6 8

(Note

Line

Ring

R 6 8

Line

Tip

831CM

and

2831CM

Line

Tip

E/W

New

Line

Switch

and

Mfg.

before

2-77 Line

Ring

R 6

(Notes

and

Line Ring R 6

Line

Tip

F 6

831A1M,

831

B1M, Line

Tip

F 6

831C,

831CT,

831CM

Line Ring R 6 F

E/W

Old

Line

Switch

Line Ring R 6 F

2831A1M,

2831BlM,

Line

Tip

2831C,

2831CT,

Line

Tip

8 6

2831CM

E/W

Old

Line

Switch

Line

Ring

R 6 8

(Note

Line

Rina

R 6 8

Note

Rotary

dial

telephone

set

must

have a

533K

diode

(ordered

separately)

installed

between

and

the

network

see Fig. 4.

Note

The

new

line

switch

can

identified

two

additional

leads

which

are (BL).

Note

TOUCH-TONE

sets

dial

restriction

and

polarity

guard

cannot

provided

simultaneously.

Page

SECTION

503-702-101

TABLE

POLARITY GUARD CONNECTIONS

FOR

2831

TYPE

TELEPHONE

SET

UMOVE

CONNECT TO

fROM

WIRE OR lEAD COLOR GUARD

NET

. ASSY

NET

Dial G-W

Line Switch

ard

mbly

For

use when specified by local

instructions

for

end-to-end

sig

naling installations.

5331(

DIOOE

(ORDERED

SEPAAATEL

NET.

Fig. 4- lnstalling Di

ode

for Di

Restricti

Page

TABLE

STATION

BUSY LAMP CONNECTIONS

LEAD

OPERATION

Hold

Key

Remove

terminal

and

connect

other

spare

terminal

ect

as s

hown

533K Diode

spa

re te

rmin

al as

above

(Ordered Separately)

L...o

Mtg

Cord

(Y-O)

Remove

from

(Note)

con

ect

831AlM

(MD)

2831AlM

(MD)

early

version

All

other

lephon

sets

Note

Use

spare

moun

ting

cord

lead

(Y-

lead

sed

provide

other

options

TABLE

HOLD

CONNECTIONS (NOTE)

-(/)

LEAD

REMOVE

CONNECT

FROM

Hold

-W)

Key

(BK-BL) 7

Lead-

Use

(Y-O)*

spare

mounting

cord

conductor

Note:

For

additional

formation

see

D-

69530-01

*(Y-0)

lead

may

sed

unl

ess

connected

for

other

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Bell System Practices 220 Leitfaden

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Bell System Practices 200 Series Service-Handbuch

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Bell System Practices 851 Leitfaden

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Bell System Practices 595 Montage- und Bedienungsanleitung

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Bell System Practices TOUCH-A-MATIC 2872A1M Gebrauchsanweisung

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Bell System Practices 660A1 Gebrauchsanweisung

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Bell System Practices 4A SPEAKERPHONE Betriebsanleitung

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Bell System Practices 881A102 Bedienungsanleitung

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Bell System Practices 2712B Service-Handbuch

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Beliebte Telefon Handbücher anderer Marken

GE 2-9480 Bedienungsanleitung

Geemarc

Geemarc PHOTOPHONE 155 Bedienungsanleitung

D-Link

D-Link DWR-720/PW Bedienungsanleitung

Interquartz

Interquartz Gemini IQ333 Bedienungsanleitung

SSS Siedle

SSS Siedle HT 840-0 Bedienungsanleitung

Motorola

Motorola TITANIUM Bedienungsanleitung

Panasonic

Panasonic ICX Bedienungsanleitung

LG H870DS Bedienungsanleitung

Samsung

Samsung GT-I9500 Bedienungsanleitung

AT&T

AT&T Trimline 205 Bedienungsanleitung

Selta

Selta zenyth 600 Bedienungsanleitung

Doro

Doro AFTI 20 Bedienungsanleitung

UNIQCELL

UNIQCELL A1 Bedienungsanleitung

Panasonic

Panasonic KX Series Bedienungsanleitung

Jabra

Jabra SP5050 - Bluetooth hands-free Speakerphone Bedienungsanleitung

BT Decor 425 Bedienungsanleitung

NEC

NEC SV8500 Bedienungsanleitung

Teledex

Teledex PEARL Bedienungsanleitung