Bell 503-200-111 Service Manual

BELLSYSTEM PRACTICES SECTION 503-200-111
AT &TCo Standard Issue 1, March 1977

TELEPHONE SETS

881B109 AND 2881B109

1. GENERAL

1.01 This section provides identification, installation,

and connection information for the 881B109
(Fig. 1) and 2881B109 DESIGN LINE* telephone
(The Mickey Mouse + Phone**) sets.

*Trademark AT&TCo.

**Housing produced by American Telecommunication
Corporation.

©Walt Disney Productions. _:

Warning: Telephone apparatus or
wirinK shall not be installed in a

location where minimum separation
from other wirin K, as specified in ,+

Section 460-300-149, cannot be .....

maintained.

1.02 Whenever this section is reissued the reason

for reissue will be listed in this paragraph.

+

1.03 The customer's premises must be properly
wired with an appropriate connecting block

or jack in order to accept the D4BU-29 plug-ended

mounting cord or 225A adapter furnished with each
telephone set.

2. IDENTIFICATION

2.01 The 881B109 (rotary dial) and 2881B109 used as single line or two-party desk sets

(TOUCH-TONE + dial) equipped telephone and are not recommended for use on four- and

sets are new DESIGN LINE telephone sets being eight-party service.
made available to the customer. The customer

buys the housing and handset from the telephone
company and the telephone company retains 3. INSTALLATIONAND CONNECTIONS
ownership of the transmission and signaling

components. 3.01 These telephone sets are furnished from

2.02 Refer to Table A for available codes and bridged ringing. To connect the telephone set,

ordering information, plug the mounting cord into a 625A jack or if the

NOTICE

Not for use or disclosure outside the

Bell System except under written agreement

Printed in U.S.A. Page 1

Fig. 1--881B109 DESIGN LINE Telephone Set

2.03 These telephone sets are intended to be

the factory fully assembled and wired for

SECTION 503-200-111

TABLE A

ORDERING GUIDE

TEL TRMTR RCVR HANDSET MTG HANDSET MTG i
SET DIAL CORD CORD HANDSET RINGER NET.

CODE JACK JACK

881B109 6UA T1 U3 616P 623P4 H4DU-58 D4BU-29 G15A-56 P1A 4228A

2881B109 35AH3D T1 U3 616P 623P4 H4DU-58 D4BU-29 G15A-56 P1A 4228B

UNIT UNIT CORD CORD

existing jack is a 548A or equivalent, use the 225A provide an appearance model telephone set,
adapter furnished with each set. components such as the dial and handset cord

will remain with the telephone set.

3.02 The internal connections for the 881B109

and 2881B109 telephone sets, for nonkey

system use, are shown in Fig. 3 and 4. (1) Remove four base mounting screws from

the bottom of the telephone set and remove

3.03 Connections for 1A KTS do not require any bottom base (Fig. 2).

telephone set modifications and are wired

same as Fig. 3 and 4.

(2) Pop off small black cover on bottom of base

3.04 Connections for use with 1A1 or 1A2 KTS and remove and two outer line switch mounting

are shown in Fig. 5 and 6. Table D includes screws from the base and remove line switch
necessary wiring modification required for 1A1 or (Fig. 2),
1A2 key telephone system use.

3.05 To gain access to the interior of these sets (3) Remove two network, two ringer, and four

for wiring changes, refer to Part 4. dial mounting screws from the base and

remove network, ringer, and dial (Fig. 2).

3.06 Line and Ringer Connections:

(1) For single line and two-party service, refer (4) Unscrew transmitter and receiver caps and

to Tables B and C. remove T1 transmitter and U3 receiver units.

(2) For adjustments and ringer cutoff feature

of the P1A ringer, refer to Section 501-259-101. 4.02 Follow local procedures for returning telephone

company-owned components.

3.07 When needed a 819040528 (P-90D052) polarity

guard assembly can be mounted to the right
hand dial mounting bracket. Refer to Table E 4.03 When it is desired to return a set to Western

for connections. Electric for repair, it should be packed using

the D-180779 Kit of Parts which contains packing

4. REMOVAL OF TELEPHONE COMPANY-OWNED materials and instructions.

COMPONENTS

4.01 When it is desired to discontinue telephone

service of these DESIGN LINE telephone
sets, proceed as follows:

Note: Remove telephone company-owned

components that can be easily removed. To

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TABLE B

LINE AND RINGER CONNECTIONS

(881B109 TELEPHONE SET)t

ISS 1, SECTION 503-200-111

WIRE OR LEAD COLOR OR RING

BRIDGED NO INDENT

PARTY IDENT GROUND

INDIVID.

GROUND

TIP PARTY

1000_ 2650_'_

R R R R R R

InsideWire

at 625-type
Conn Blk

O O O G O G

Y Y Y Y Y Y

BK B B B B B

R A A L1 F F

623P4 Line Cord

G L1 L1 A L2 L2

Jack Assy Y G G G G G

BK L2 L2 L2 * *

R K K K K K

i

Ringer

S-R * * * * L1

S * * * L1 *

BK L1 G G G G

Line Switch Y A A A L2 L2

W F F F B B

• Insulate and store.
tFor access to set wiring follow applicable steps in Part 4.

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