Bell 881B109 User 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 otherwirin 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.
1.03The 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. Fig. 1--881B109 DESIGN LINE Telephone Set
2. IDENTIFICATION 2.03These telephone sets are intended to be
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
the factory fully assembled and wired for
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

SECTION 503-200-111
TABLE A
ORDERING GUIDE
TEL TRMTR RCVR HANDSETMTG HANDSET MTGi
SET DIAL CORD CORD HANDSET RINGER NET.
UNIT UNIT CORD CORD
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
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
3.03Connections 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.
3.05To 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 RingerConnections:
(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.
3.07When needed a 819040528 (P-90D052) polarity
guard assembly can be mounted to the right
hand dial mounting bracket. Refer to Table E 4.03When 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 TELEPHONECOMPANY-OWNEDmaterials 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
Page 2

ISS 1, SECTION 503-200-111
TABLE B
LINE AND RINGER CONNECTIONS
(881B109 TELEPHONE SET)t
TIP PARTY
INDIVID.
WIRE OR LEAD COLOR OR RING
PARTY IDENT GROUND
BRIDGED NO INDENT
GROUND 1000_2650_'_
R R R R R R
InsideWireOO O G O G
at 625-type
Conn Blk Y Y Y Y Y Y
BK B B B B B
R A A L1 F F
G L1 L1 A L2 L2
623P4 Line Cord
Jack Assy Y G G G G G
BK L2 L2 L2 * *
R K K K K K
i
S-R * * * * L1
Ringer
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.
Page 3

SECTION 503-200-111
BASE
MOUNTING
SCREW_ BASE
MOUNTING
SCREW
4228-TYPE
NETWORK
LINE
SWITCH
BASE
MOUNTING DIAL
SCREW MOUNTING
SCREWS
BASE
MOUNTING
SCREW
RINGER MOUNTING
SCREWS
Fig. 2m881B109 Telephone Set With Base
Page 4

ISS 1, SECTION 503-200-111
TABLE C
LINE AND RINGER CONNECTIONS
(2881B109 TELEPHONE SET)t
TIP PARTY
INDIVID ..... RING
WIRE OR LEAD COLOR OR PARTY NO IDENT IDENTGROUND
BRIDGED GROUND 1000_, 2650_,
R R R R R R
Inside Wire G G G G G G
at 625-Type
Conn.Blk y y y Y Y Y
BK BB B B B
R A A L1 C C
623P4 Line G L1 L1 A L2 L2
Cord Jack
Assy Y G G G G G
BK L2 L2 L2 * *
R K K K K K
S-R * * * * L1
Ringer S * * * L1 *
BK L1 G G G G
Y A A A L2 L2
Line Switch W F F C B B
BR C C F F F
* Insulate and store.
# For access to set wiring follow applicable steps in Part 4.
Page 5

SECTION 503-200-111
TABLE D
MODIFICATIONS FOR 1A1 OR 1A2 KTS (881B109 OR
2881B109 TELEPHONE SET)*
NETWORK TERMINAL
LEAD COLOR "'
REMOVE CONNECT
FROM TO
S A L2
Y A L2
Line
Switch BR C G
G L1 A
W F C
623P4 Line Cord G 1,1 F
Jack Assy ,,,
Ringer BK L1 F
* For access to set wiring follow applicable steps in
Part 4.
TABLE E
POLARITY GUARD CONNECTIONS FOR
2881B109 TELEPHONE SET
819040528 (P-90D052) GUARD ASSEMBLY*
DIS- CONNECT
CONNECT TO
FROM
LEAD COLOR
POLARITY
NET. NET. GUARD
Dial BK RR T
Line BRt
Switch w$ C S
623P4
Line Cord R §
Jack Assy.
Polarity G RR
Guard W C
* For access to set wiring follow applicable steps in
Part 4.
t If wired for bridged service or ring party.
If wired for tip party with no identification ground,
1A1 KTS, or 1A2 KTS.
§ If wired for tip party with identification ground.
Page 6

ISS 1, SECTION 503-200-111
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SECTION 503-200-111
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ISS 1, SECTION 503-200-111
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SECTION 503-200-111
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10 Pages