Bell System Practices AT&T Plant Series Leitfaden

Q.“

BELL SYSTEM PRACTICES

Plant Series

SECTION 501-410-101

Issue 2, March 1969

AT&TCo Standard

F-56659 Ahll) F-56660

TELEPHONE SET COMPONENTS

FOR INSTALLATION IN

CUSTOMER-OWNED HOUSINGS

IDENTIFICATION, INSTALLATION, CONNECTIONS, AND MAINTENANCE

1. GENERAL

1.01 This section is reissued to:

Update telephone set components

Include installation and connection information

on mounting and handset cords

Include modification of telephone set wiring

for use with lA1 or 1A2 KTS and 3-type

speakerphone

Include list of D-Kit of Parts for distributing

house modifications when customer-owned

housings and components require converting.

Since this reissue covers ageneral revision, arrows

ordinarily used to indicate changes have been

omitted.

1.02 Refer to Section 501-185-100 for alist of

D-Kit of Parts for distributing house

modifications when customer-owned housings and

components require converting.

2. IDENTIFICATION

PURPOSE

To provide agroup of standard components

for use in assembling and wiring an operative

telephone set in an accepted conforming

customer-owned antiquedecorator telephone

set housing. See 1.W and Part 3for other

housings.

ORDERING GUIDE

Set, Telephone,

F-56659 (chrome dial)

F-56660 (gold dial)

(a) Replaceable Common Components

.components listed in legend for Fig. 1,

except network and line switch.

(b) Associated Apparatus or Equipment

(ordered separately)

.Cord, Mounting, D3BN-*, 5feet, 6inches

●cord ,“

(when

.Cord,

(when

Mounting, D4BJ-*, 5feet, 6inches

set is used with lA1 or 1A2 KTS)

Mounting, D1OR-*, 5feet, 6inches

set is used with lA1 or 1A2 KTS

and 3-type speakerphone)

.Cord, Handset, H4CJ-*, 4feet

*Add appropriate color suffix from Section

500-120-100.

separately)

●Loudspeaker, 760A

●Transformer, 2012B

)

Speakerphone

.Transmitter, 666-type

●Unit, Control, 55-type

0American Telephone and Telegraph Company, 1969

Printed in U.S.A. Page 1

SECTION

LEGEND

FEATURES

.Standard

operative

assembled

1—CHASSIS ASSEMBLY

2 – PIA RINGER

3—LINE SWITCH

4—4010B NETWORK

5– U3 OR U1 (MD) RECEIVER

6—T1 TRANSMITTER UNIT

7– F-56661 DIAL (CHROME)–

F-56659TELEPHONE SET

F-56662DIAL (GOLD)–

F-56660TELEPHONE SET

UNIT

8— P-298106CARD HOLDER ASSEMBLY

9—P-121457SCREW (3)

10– P-22F047SPIDER AND LEAD ASSEMBLY

11—P-22F046CONNECTOR TERMINAL

AND LEAD ASSEMBLY

12– P-43A392SCREW (4)

13– P-483192

14—P-121932

15– P-46J534

16– P-46J532

17— P46J245

SLEEVING (2)

CONNECTOR ASSEMBLY (2)

LEAD ASSEMBLY (RED)

LEAD ASSEMBLY (BIACK)

LEAD ASSEMBLY tWHITE) (2)

Fig. 1—F-56659 or F-56660 Telephone Set

components which provide an

telephone circuit when properly .Location -desk, table, etc.

within an appropriate housing .Space requirements

.Components provide asingle line, rotary dial

telephone set

●Adjustable ringer volume controi

●May be modified for use in lA1 or 1A2 key

telephone and 3-type speakerphone systems

3. INSTALLATION

(a) Planning

●safety for yourself, customer, and maintenance

personnal

QDistance between associated equipment and

apparatus

●General appearance of installation

(b) installing telephone set components in

customer-owned telephone set housings

Conforming Telephone Set Housings

When acustomer requests the installation of

telephone set components in an antique decorator

Page 2

telephone set housing, determine if the

customer’s housing is an accepted conforming

housing. These housings carry astamp of

conformance on the bottom which read “This

Enclosure Conforms To Drawing B-696501,

F-56659 (Chrome) *Telephone Company

No. *“or “This Enclosure Conforms

TO Drawing B-696501, F-56660 (Gold) _*_

Telephone Company No. _*_”

*Name of reviewing telephone company and

number assigned by that telephone company

should be inserted.

Nonconforming Housings

Housings which do not carry the above stamp

of conformance on the bottom must be modified

by the local Western Electric Service Center

to accept standard Bell System Components.

Components and wiring removed by the

Western Electric Service Center should be

returned to the customer.

Customer-Owned and Maintained Components

.Housing or shell, including base (pan)

.Handset housing, handset Crad]e, and

transmitter and receiver caps

●Actuator or plungers

Note: Inspect the customer’s telephone set

components before accepting them for service.

Be sure he is aware of any missing or defective

components found.

Chassis Assembly

(1) Remove upper housing from base of

customer-owned shell.

(2) Obtain chassis assembly from group of

components.

(3) Position chassis on base of shell and ensure

that the ringer volume control is accessible

through opening on underside of base.

(4) Secure chassis to base using four P-43A392

screws.

1SS 2, SECTION 501-410-101

Dial and Dial Leads

(1) Obtain dial and four lead assemblies from

group of components.

(2) Connect Lead assemblies in accordance

with Table A,

TABLE A

DIAL LEAD INSTALLATION

I‘E’”

t-=:”’N’7:v=

COLOR

(w) RGN

(w) BK R

(R) GRR

(BK) BL F

Mounting Cord (ordered separately)

(1) Instail set end of appropriate mounting

cord, refer to ordering guide, route through

cord bracket and secure cord stay to base

(Fig 2).

(2) Connect leads of D3BN mounting cord to

appropriate network terminals or modify

set wiring and connect leads of D4BJ or D1OR

mounting cord in accordance with Table C.

Note: A4-conductor D4BJ mounting cord is

required when set is modified to provide A

lead control for use with lA1 or 1A2 KTS

and a10-conductor D1OR mounting cord when

used with lA1 or 1A2 KTS and 3-type

speakerphone.

Handset Cord (ordered separately)

(1) Install set end of H4CJ handset cord

through cord bracket, lay on top of mounting

cord (Fig. 2). Secure cord stay to base.

(2) Connect leads of handset cord to network

of set.

Page 3

SECTION 501-410-101

(3) Remove receiver and transmitter caps from

customer-owned handset. Insert handset

leads of cord through opening in handset,

guide two white leads through handset handle,

fasten to screws of U3 or U1 (MD) receiver

unit obtained from group of components.

(4) Place receiver unit in handset cavity and

replace receiver cap.

The transmitter unit shall not be in

contact with any conducting surface.

Transmitter cap and transmitter

clamping surfaces in contact with

the transmitter unit shall be made

of insulating material such as plastic

or rubber. Lacquer or paint shall not

be used to provide insulation.

(5) Obtain T1 transmitter unit, P-22F047

spider and lead assembly, and P-22F046

connector terminal and lead assembly from

group of components listed with Fig. 1.

(6) Position ringed portion of connector

terminal and lead assembly on transmitter

unit (Fig. 3).

(7) Snap spider and lead assembly onto center

button of transmitter unit (Fig. 3).

(8) Obtain two pieces of P-483192 sleeving

and two P-121932 connector assemblies

from group of components.

(9) Cut sleeving sufficiently in length to

completely insulate the connectors and

place sleeving on each lead extending from

transmitter unit.

(10) Pull the red and black leads of handset

cord through transmitter opening of

handset, using the connectors, connect the

red and black transmitter leads, respectively.

Insulate each connector with sleeving placed

on transmitter unit leads.

(11) Place transmitter unit in handset cavity

and replace transmitter cap.

(12) Fig. 3is atypical installation of agroup

of components instailed in acustomer+wned

antique telephone set housing.

line and Ringer

(1) These sets are furnished wired for individual

or bridged, ring, and tip party service.

With minor wiring changes, set can be used

for tip-party identification. Connections should

be made at asuitable connecting block. Table

Dshows line and ringer connections.

(2) The ringer volume control is blocked from

OFF position by afactory placed stopscrew.

To enable ringer cut-off feature, remove screw

through access hole in top of ringer gong.

Tape screw to chassis assembly or inside set

housing.

(3) To permanently silence ringer for all

classes of service, remove and move

volume control to OFF position. Replace

screw in normal position and tighten just

enough to prevent volume control movement.

Disconnection of Customer-Owned Telephone Set

Housings

(1) Disconnected Customer-owned telephone

set housings should be disabled by the

removal of the F-56659 or F-56660 telephone

set chassis.

4. CONNECTION INDEX

Table B—lA1 or 1A2 KTS and 3-Type

Speakerphone Conversion

Table C—Line and Ringer Connections

Fig. 4—F-56659 and F-56660 Telephone Set,

Connections

Fig. 5—F-56659 and F-56660 Telephone Set,

Wired For lA1 or 1A2 KTS and 3-Type

Speakerphone

Fig. 6—F-56659 and F-56660 Telephone Set -

Speakerphone Connections

5. MAINTENANCE

(a) Maintenance is limited to those components

installed as part of the telephone set group.

Maintenance of housing, finish, and other

customer-owned parts is the responsibility of

the customer.

Page 4

(b) The line switch and ne .~r!. ,we riv~. (1 to

the chassis assembly and ~t~ould not ~’

removed. If maintenance is required, rel)l~,

chassis assembly.

6-type rotary dials. Refer to Section

501-162-100.

(d) Refer to Section 501-259-101 for maintenance

of P1A ringer and Section 512-620-200 for

optional speakerphone components.

(e Refer to connection

locating and clearing figures as an aid in

trouble.

–i

1SS 2, SECTION 501-410-101

TABLE B

1Al OR 1A2 KTS AND 3-TYPE SPEAKERPHONE

CONVERSION (SEE NOTE)

CONNECT TO

NET. TERM.

REMOVE

MIRE OR LEAD COLOR FROM NET, SPEAKER.

TERM. IA1 OR PHONE

1A2 KTS WITH

IA IOR

1A2 KTS

Line (BR) cG G

Switch’b (w) Fcc

(s) AL2 -i

Ringer (R) KA A

(BK) GF F

MIW Cord or .

Equiv. KL1

Note: For lA1 or 1A2 KTS only, use D4BJ

mtg. cord. For lA1 or 1A2 KTS with speaker-

phone use D1OR mtg. cord, connect as shown in

Fig. 5.

*The telephone set may be dialed in the on-hook

condition with speakerphone option,

tUse D-161488 connector to connect (S) line

switch lead to LK lead of transmitter.

Page 5

SECTION 501-410-101

Fig. 2—lnstallotion of Mounting and Handset Cords

SPI

ASSE

CONNECTOR TERMINAt-

AND LEAD ASSEMBLY

TI TRANSMITTER

WIRING DETAIL

Fig. 3—Typicol Installation

1..1

of F-56659 or F-56660 Telephone Set in Antique Housing

Page 6

1SS 2, SECTION 501-410-101

4010~NETWORK

1,.. (R)

.,.

:,.:

......

* * ,,:.

*(BK) “:’ ~,...

... (Y)

:; .,,

NOTE :

MOUNTING ANO HANOSET COROS ARE

NOT FURNISHEO WITH TEL SETS ANO

MUST BE OROERED SEPARATELY.

*INSULATED ANO STORED

Fig. 4—F-56659 and F-56660 Telephone Set, Connections

Page 7

SECTION 501-410-101

40106 NETWORK

PIA (BL-W) (EL–W) :P4

RINGER ... NOTES: ‘“

(BL) (s) (S -R)

***

lBK)

1. MOUNTING AND HANDSET CORDS ARE

NOT FURNISHED WITH TEL SETS AND

MuST BE OROEREO SEPARATELY

2IF ONLY “A” LEAD CONTROL 1S

REWIRED USE A04BJ MOUNTING

CORD. IF “A” LEAD PLUS SPEAKER-

PHONE IS REQUIRED uSE A

DIDR MOUNTING CORD.

3LEAVE (S) LINE SWITCH LEAD

TERMINATED AT L2 WHEN D4BJ

MOUNTING CORD IS USED.

*INSULATED AND STORED.

Fig. 5—F-56659 and F-56660 Telephone Set, Wired For 1Al or 1A2 KTS and 3-Type Speakerphone

Page 8

●

1SS 2, SECTION 501-410-101

[

TI(w-s) F

CONTROL UNIT TO KEY w0

i5A (MD) 554 *EQUIP RLI

55B (s-w)

28 28 10

0ra RI 4[BR-WI

vwI

19 19 I

mTI 5(W-BR) RR

0nw

5 5 II

0n n AG 6(w-o)

A7(W-G)

TO KEY

21 4EQUIF? -

LnP3 8(W-EL) w

w30 13

00aP4 9(BL-W) BB

12 12 2 TO KEY Al

0nnEQUIP Al 10 (G-W) L2

PLK 3(o-w)

36 36 36 ‘---+%-J t

TFI

0nn

0n0‘J

To 2012B

27 27 27 TF2 TRNSF \

(NOTES IANO 2) LEAO 44A MTG CORD TRMTR

OESIG CONN

BLOCK TI14 T7A 666A 666B

(NOTE 4)

LK 3(BK) (BK-0) II 8

4 4 7 I I

0cl Ml n(BR-BL) (S-BK) 2

ww w 0

14 14 16

0M2 2

00. (w) [BK-S) 5 3

13 13 8

0nPI 4(BL) (BL-R) 4 2

www

2 2 17

0FI 5(Y) (G-Y) 10 7

wuu

3 3 IB

Os7(R) (O-SK) e 5

0wuw

29 29 19

0mc. Al 8(G) (Y-o) 96

wwuw

24 24 30

R2FK

PMTG CORO 760A

34 34 LS PK

0n n (NOTE 3)!1SPI n9n(G) 0

33 33 2s

0c. n(NOTE 3) *SP2 10 (R)

wu0

NOTES:

IOUE TO L(MER ~TAGE RATING 201iA TRNSF SHOULO NOT BE

USE, TO POWER 55-TYPE CONTROL UNIT,

2. 00 NOT USE ANY GROUNOEOPOWERSUPPLY, SUCH AS THE 18V AC

TAP ON THE 101-7ypE POWER SUPPLY, TO POWER 55-TYPE CONTROL

UNIT. USE OF GROUNDEO POWER SUPPLY WILL AFFSCT OPE RATION

OF UNIT.

3. IFREOUCED LOUDSPEAKER VOLUME IS OESIRED, CONNECT SE?. LEAO

TO TERMINAL 24(55A) OR 3JX55B)

4. INSULATE ANO STORE UNUSED LEADS OF TI IACORO.

*55A CONTROL UNIT MOOI FIEO BY WESTERN ELECTRIC COMPANY.

tD- 1614138 CONNECTOR.

Fig. 6—F-56659 and F-56660 Telephone Set, Speakerphone Connections

Page 9

SECTION 501-410-101

TABLE C

LINE AND RINGER CONNECTIONS

INDIVIDUAL TIP PARTY

RING TIP PARTY

WIRE OR LEAD COLOR OR IDENT GRD

PARTY NO IDENT

BRIDGED GROUND 1Dam 16500

Line Wire RRRRR R

at Connecting GG* G* G* G* G*

Block Y Y Y Y Y Y

Mounting Cord RRRG* G:, G*

at Connecting GG* G* R R R

Block YG* Y Y Y Y

RK K K K K

Ringer Lead S-R ~~

1++

at 401OB s*

Network It+Bt

i3K G~ G$ G~ G~ G]

*Connecting block terminal.

tInsulated and stored.

INetwork terminal.

~Page 10

10 Pages

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