Bell 951A1-03 User manual

BELLSYSTEMPRACTICES SECTION 503-200-115
AT&TCo Standard Issue 2, July1980
951A1-03 TELEPHONESET
IDENTIFICATION, INSTALLATION, AND CONNECTIONS
1. GENERAL 2.03 On the recessed rear of the set are four
plastic cord clips which are to be used to
1.01 This section contains information on the store any excess cordage from the mounting cord
951A1-03 DESIGN LINE* telephone set (Fig. 2).
(Country Junction*).This set is a simulated
antique wall telephone set (Fig. 1). 2.04The H4EK handset cord is a special antique
cloth covered cord with a modular plug on
1.02 This section is reissued to: both ends.
. Revise paragraphs 1.01 and 2.04 2.05 The ringer volume can be adjusted by
moving the ringer volume control lever
e Reverse Fig. 2 and 3. protruding from the bottom front of the set (Fig.
3).
1.03The customers premise must be properly
wired with an appropriate connecting block 2.06 The handset assembly is a special antique
to accept the D4BU-29 plug-ended mounting cord. design (Fig. 1).
Warning: Telephone apparatus or A.Ordering Guide
wiringshah not be installed in a
location where minimum separation 2.07 Telephone Set Ordering Information:
from other wiringas specified in
Section 460-300-149 cannot be Set, Telephone, 951A1-03 (Complete and
maintained,ready to install.)
B. Component Parts
2.IDENTIFICATION 2.08 The 951A1-03 telephone set is comprised of
2.01The 951A1-03 rotary dial only equipped the following component parts:
telehone set is a new DESIGN LINE telephone
set being made available to the public. Although • Dial,8UA
the set comes completely assembled, the customer
only purchases the housing and handset shells. • Cord, Handset, H4EKt
The internal transmission and signaling components
remain the property of the telephone company. • Jack Assembly (Handset Cord), 616RB
2.02 The 951AS1-03 telephone housing • Handset Assembly
(customer-owned) is made of Oak Wood and
has antique nickel metal trim details. The inside • Cord, Mounting, D4BU-29t (14 feet long)
of the set consists of a 951AT telephone unit which
is screw mounted through the rear of the telephone • Jack Assembly (Mounting Cord), 623P4
set (Fig. 2). e Housing, 951AS1-03
* Trademark of American Telephone and Telegraph
Company. • Ringer, P-Type
NOTICE
Not for use or disclosure outside the
Bell System except under written agreement
Printed in U.S.A. Page 1

SECTION 503-200-115
TABLEA
LINEAND RINGER CONNECTIONS
(951AI-03 TELEPHONESET)t
TIP PARTY
WIRE INDIVID. RING NOIDENT
OR COLOR OR GROUND
LEAD BRIDGED PARTY IDENT
GROUND 1000_2650_
R R R R R R
Inside G G G G G G
Wire at
Conn Blk Y Y Y Y Y Y
BK B B B B B
R A A L1 C C
623P4 G L1 L1 A L2 L2
Line Cord YG G G G G
Jack Assy BK L2L2L2* *
R K K K K K
S-R * * * *L1
Ringer S* * * L1 *
BK L1 G G G G
W F F F B B
G L1L1 AL1 L1
LineBL C C C * *
SwitchBL-W 'A A L1* *
BRL2 L2 L2F F
S L2 L2 L2 A A
•Insulatedand stored.
tFor accessto setwiring,referto paragraph3.03.
• Unit,Telephone,951AT however, they can be used on four- and eight-party
service if a 28A ringer isolator is provided. For
• Unit,Transmitter,Tlt connection information on the ringer isolator,refer
to Section 501-375-101.
•Unit,Receiver,U3t 3.INSTALLATION AND CONNECTIONS
•Network
3.01To mount the 951A1-03 telephone set over
• Line Switch. a 630-type modular connecting block, proceed
as follows.
2.09These telephone sets are intended to be
used as single line or two-party wall sets, (1) Place the mounting template (shipped with
set) over the modular outlet and level it.
t Only these items are field replaceable, for
all other repairs set must be returned to (2) Mark two upper and lower mounting holes
Western Electric per paragraph 4.03. on each corner of the template.
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ISS 2, SECTION 503-200-115
Fig. 1--951A1-03 DESIGN LINE Telephone Set
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SECTION 503-200-115
STORAGE CLIPS (4)
MOUNTING
SCREWS (5/
MOUNTING
CORD
Fig. 2--951A1-03 Telephone Set, Rear View
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ISS 2, SECTION 503-200-115
(3) Drill four 5/16-inch diameter holes and install screw counterclockwise until the front hinged panel
the wall screw anchors provided, of the housing is released and can be opened (Fig.
3).
(4) Discard the four screws used to install the
wall anchors. 3.04 This telephone set is furnished from the
factory fully assembled and wired for bridged
(5) Wind up the excess mounting cord on the ringing.
four plastic storage clips on the rear of the
set. Leave about sixinches ofcordloose (Fig. 3.05 Line and Ringer Connections.
2).(1) Refer to Table A for party lineconnections.
(6) Plug inthe end of themounting cord and
secure the set to the wall anchors using (2) For adjustments and ringer cut off feature
the four decorative screws and washers provided, of the P-type ringer,refer to Section
501-259-101.
3.02 To mount the 951A1-03 telephone set to a
625-type modular connecting block,proceed 3.05 Connections for 1A KTS require no telephone
as follows, set modifications and are wired the same
as Fig. 4.
(1) Make sure the intended mounting location
will allow the 14-foot mounting cord to reach 3.07 Connections for 1A1 and IA2 KTS require
the telephone outlet,moving the brown (BR) line switch lead from
L2 on the network to the G terminal as shown in
(2) Place the template at a convenient height Fig. 5.
and level it.
(3)Mark the twoupper andlower mounting 4. REMOVAL OF TELEPHONE COMPANY-OWNED
holes on each corner of the template. COMPONENTS
(4) Drill four 5/16-inch diameter holes and install 4.01When it is desired to discontinue telephone
the wall screw anchors provided, service on the DESIGN LINE telephone set,
proceed as follows.
(5) Discard the four screws used to install the
wall anchors. (1) Loosen the four mounting screws and remove
set from wall.
(6) Wind up the excess line cord on the four
plastic hooks on the rear of the set housing (2) Unplug and remove mounting cord from
(Fig. 2). telephone set.
(7) Dress the mounting cord into the channel (3) Loosen five screws in back of housing and
on the back of the telephone set (Fig. 2). remove chassis mounted telephone unit.
(8) Secure the set to the wall anchors using (4) Retrieve any other telephone company-owned
the set of four decorative screws and washers components that can be easily removed.
provided. (5) Reassemble housing.
(9) Dress the mounting cord tothe 625-type
modular connecting block and plug in the 4.02 Follow local procedures for returning
cord. company-owned components.
3.03To gain access to the interior of the set 4.03 When it is desired to return a set to
for wiring changes,insert a small standard Western-Electric for repair,it should he
blade screwdriver into the key-hole plate on the packedusing the D-180600Kit of Parts which
front of the telephone set (Fig. l) and turn the contains packing materials and instructions.
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SECTION 503-200-115
Fig. 3--951A1-03 Telephone Set With Front Panel Door Open
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ISS 2, SECTION 503-200-115
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SECTION 503-200-115
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8 Pages