Bell System 2960A01M Manual

BELLSYSTEM PRACTICES SECTION 503-301-101
AT&TCo Standard Issue 5, July 1982
2960A01M "TOUCH-A-MATIC*" 16 TELEPHONE SET
IDENTIFICATION, INSTALLATION,CONNECTIONS,OPERATION,
AND MAINTENANCE
CONTENTS PAGE CONTENTS PAGE
1. GENERAL ........... 2 A. Record a Number Into Memory16
2. IDENTIFICATION ......... 2 B+Change a Number in Memory16
A. Design Features ....... 2 C. Delete a Number From Memory16
B. Optional Features ....... 2 D. AutomaticallyDial a Number From
Memory .......... 16
C. Operating Features ...... 4 E+ LAST NUMBER DIALED Feature 16
D. Ordering Guide ....... 4 F. End-to-End Signaling ...... 17
3. INSTALLATION .......... 7G. Access Code ......... 17
INSTALLATION CHECK PROCEDURE 11
H. Speakerphone Option ..... 17
OPTIONAL APPARATUS INSTALLATION 12 I. Multillne Service (Using 6040/6050-
D-180812 Kit of Parts (Record Disable and Type Key)......... 18
Dial Intermix) .......... 12 6+ MAINTENANCE ......... 18
COMPONENT LOCATION AND ACCESS IN-
FORMATION .......... 13 A. Return Procedure ....... 18
A. Location of Components ..... 13 B. Trouble Analysis ....... 19
B.Access of Components ..... 15 C. Battery .......... 19
Faceplate Removal ...... 15 D.Memory.......... 19
UpperHousing Removal ..... 15 E. 35AT3A Dial ........ 21
LowerHousingRemoval ..... 15 F.P1A Ringer ......... 21
Power Supply Board (PSB) Terminals G.Handset Jack ........ 22
............. 157.CONVERSION FROM DESK SET TO WALL SET
4.CONNECTIONS ......... 16 ............... 22
5.OPERATION........... 16 8.CORD DRESSING FOR OPTIONAL SERVICES
*Registered Trademark of AT&T(_o (ADJUNCTS) .......... 23
NOTICE
Not for us++,or disclosure outsi([etht+
[_vll _+_;t_+mexcelJt un(]er ++ritt_+n_i,_tt,t+tltt,nt
Printed int g.A Page 1

SECTION503-301-101
1. GENERAL 2.IDENTIFICATION
i.01 This section contains information on the 2.01 The 2960A01M IF(MD)_IteleI)hone set provides
2960A01M manufacture discontinued (MD) the standard features of a single line set plus
telephone set. This set is shipped from the factory as manual TOUCtt-TONE*dialing, automaticdialing
a desk set (Fig. 1) and can easily be converted to a of 15 frequently called or important numbers, and a
wall set with no additional parts required. LAST NUMBER DIALEI) scratch pad memory.
OWarning:This equipment generates,
uses, and can radiateradio frequency A.Design Features
energy and ifnot installed and used in
accordance with the instructions manual, 2.02 The following are design features:
may cause interferencetoradio commu-
nications.It has been tested and found to • Modular telephone set
complywith thelimits for a Class B com-
puting device pursuant to Subpart J of • Integrated circuit memory and dial
Part 15 ofFederal Communication Com-
mission (FCC) Rules,which are designed• Surge protector
to provide reasonable protection against • Polarity guard
such interference when operated in a
commerical environment.Operation of•Memory buttons from which to select prepro-
this equipment in aresidentialareais grammed telephone numbers for automatic
likely to causeinterferencein which case dialing
the user at his own expensewill bere-
quired to takewhatever measures may • Capability to record and automatically dial
berequired to correct theinterference._ 15 telephone numbers of up to 15 digits each
1.02The reasons for reissuing this section are • Last numbermanually dialed memory
listed below. Revision arrows are used to em- " "
phasize the more significant changes. • Battery for memory retention in event of ac
•Show 2960A01M-50 telephone set MD power outage
• Include electromagnetic interference warn- • Battery OFF-ON switch
ing notice in compliance with the FCC ruling
which requires that a warning statement be • Supplementary directory
placed in the user's documentation for equip-
ment that generates and uses radio fre- • Directory Privacy (hidden directory)
quency energy and may radiate that energy,
paragraph 1.01 • Convertability from a desk set to a wall set
• Add information on K6C-50 handset • End-to-end signaling.
•Add 10A speakerphone information. B.Optional Features
• Add 813BH diode (Table C) 2.03 The following are optional features (Table B):
• Show 426N diode MD. (a)Selective ringing
1.03 The 2960A01M $(MD)4 telephone set is a sin- (b) Tip party with identification ground
gle line set and is factory-wired for bridged
ringing. It can be wired to provide Alead control for (c) 4-party full selective or 8-party semiselective
1A1,1A2, 6A,or 6B key telephone systems (KTS). ringing using an ll-type extender,426N diode,
or 28A ringer isolator as a coupling device
1.04 The telephone set is"available in Ivory (-50)
only. For color selection of available faceplate,
refer toTable A. *Registered Service Mark of AT&TCo.
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ISS 5, SECTION503-301-101
Fig. 1--2960A01M (MD) Telephone Set
(d)A lead controlfor 1A1,1A2, 6A, or 6B key tele- (g) 107-type loudspeaker set (SPOKESMAN*
phone systems loudspeaker unit) may be interfaced with the
telephone set (see Section 463-221-100)
(e) Either 3-type (MD),4A, $or 10AQ speaker-
phone may be interfaced with the telephone (h) D-180812 Kit of Parts provides the following
set. features:
Note:For use with a speakerphone,all dial-(1)Record Disable (only): turns off the record-
ing must be performed with the handset off- ing feature to prevent accidentalerasures
hook (paragraph 5.09). Speakerphone and tip of previously stored numbers.
party identification options cannot be provided
at the same time. (2) Record Disable and Dial Intermix: same as
record disable feature plus the following:
(f) Multiline service using adjunct key
(a) Allow digits dialed from manual dial and
Note: Replacing the handset each time a line from memory to be intermixed without
is changed assures proper dialer operation
(paragraph 5.10). * Registered Trademark _f AT&T('o.
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SECTION503-301-101
having to depress the RECORD OFF button • LAST NUMBER DIALED button (the next
(see paragraph 5.06). to the bottom button in the right-hand col-
umn of nine buttons) when momentarily de-
(b) Disables the LAST NUMBER DIALED pressed,with the handset off-hook,initiates
feature, automatic redialing of the last number man-
ually dialed
(i) K6C-50 (impaired hearing) handset containing
a volume control is available for replacement • RECORD button (the bottom button in the
of K1C-50 (MD) or K2C-50 handset left-hand column of nine buttons) is
nonlocking and when momentarily de-
(j) D-180851 Kit of Parts provides the following pressed, lights the RECORD lamp and en-
features: ables the memory circuits to store telephone
numbers manually dialed
(l) Standard modular G-type handsets can be
used with desk sets when modified with the • RECORD OFF button (the bottom button in
D-180851 Kit of Parts. This kit consists of ivory the right-hand column of nine buttons) is
colored transmitter and receiver caps used to nonlocking and when momentarily de-
replace the standard caps in the G-type hand- pressed,extinguishes the RECORD lamp in-
set. Modified G-type handsets can be used to dicating that the dialer is switched out of the
provide the following features when the appro- record mode.
priate K-type handset is not available or is in-
compatible: • Battery OFF-ON switch (located on the bot-
tom of the set, Fig. 2), should be in the OFF
(a) Amplified receiver (G6BM) position when set is not in service.
(b) Amplified transmitter (G7BM) D.Ordering Guide
2.06 Order as follows:
(c) Noisy location (GSBM)
(a) The 2960A01M telephone set is a modular type
(d) Acoustic or inductive coupling to cus- set and may be ordered as follows:
tomer-provided equipment (G15A). (1) Set,Telephone, 2960A01M-50 which in-
2.04All options are implemented by the following: cludes:
(a) Wiring changes in the telephone set (a) Adapter,248B
(b) Installation of appropriate additional items. (b) Plug,523B4, (used when converting from
a desk set to a wall set) Fig. 12
C.Operating Features (c) Cord, Handset, H4DU-50
2.05 The following are operating features: (d) All components listed in (c) Replaceable
Components,except faceplates and
• Dial (TOUCH-TONE* telephone dial), D4BU-29 cords.
35AT3A
(b) Order the following separately:
• 16-button memory field of low force, low
travel nonloeking buttons arranged in two •D-180894 Kit of Parts is required to provide
columns; one along the left-hand edge of the ac powers for operation of the automatic
memory and the second along the right-hand dialer. The kit contains a 2012D transformer,
edge. Each column has eight memory buttons 248B-49 adapter, D4BU-29 (14-foot) line cord,
plus a ninth button (bottom button) for the and instruction sheet (840364194).
record function
Note:A 2012A (MD) or 2012C transformer
•Trademark of AT&TCo.+ shall not be substituted for a 2012B (MD) or
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ISS 5, SECTION503-301-101
Fig. 2--2960A01M (MD) Telephone Set, Bottom View
2012D, as set will not operate properly on the .Upper Housing Assembly, 60AU-50
lower voltage. •Faceplate, 260A- (refer to Table A for color
•Clamp, 2A [used to secure 2012B (MD) or suffix)
2012D transformer to outlet]. •Handset,K2C-50 or K1C-50 (MD)
aFaceplate,260A- (refer to Table A for color
suffix). •Cord, Handset, H4I)U-50
•Cord,Mounting, D4BU-29. • Cord, Mounting, D4BU-2.(_
•Cord, Mounting,D4BU-29 (line cord,maxi-
mum 14 feet). •Cord, Mounting, D4BU-29 (line cord, maxi-
mum 14 feet)
•Cord Clips,B (for dressing cords as needed). • Jack,Handset, 616J
lc) Replaceable components may be ordered sepa-
rately as follows: •Battery,KS-203901,5
•Lower flousing Assembly,60AL-50 •Ringer, I)IA
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SECTION503-301 -10i
A. DIRECTORY DISPLAYED C DIRECTORY PRIVACY
(WINDOW CLOSED) (WINDOW CLOSED)
B. DIRECTORY DISPLAYED D.DIRECTORYPRIVACY
(WINDOW OPEN) (WINDOW OPEN)
Fig. 3--Optional Methods of Installing DirectoryCards
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ISS 5, SECTION503-301-101
TABLE A •Subscriber, Instruction Booklet (SIB 2480C).
FACEPLATE ORDERINGGUIDE(SeeNote) (d) See Table II for apparatus required.
CODE COLOR 3.INSTALLATION
260A-100 Avocado Danger1: For safety, securelyattach
retaining clamp to ac outlet using outlet
260A-108 Teak cover screwBEFORE attempting to in-
stall 2012B (MD) or 2012D transformer.
260A-109 Walnut Thetransformer and anyothercord
plugged into theac outletshould always
260A-111 Gold beunplugged completelyfrom outlet
BEFORE attempting to attach or remove
26 0A-112 Orange theelamp.This will preyen t thepossibil-
ityera loosenedretainer clamp or metal-
260A-113 Brown lic outlet covermaking contact with the
ac prongs of thetransformer whenpar-
260A-114 Red tialiy withdrawn from outlet.Do not use
260A-115 Blue retaining clamp on outlets where cover
mounting screw holdstheduplexoutlet
260A-118 Black in thebox.
Danger2: Careshould betakento trim
Note:A display package containing all 9 color and dress leads connecting to lowvoltage
faceplates can be ordered as a D-180666 Kit of output terminalsof 2012B (MD) or
Parts. This package is intended for use as an 2012D transformer to assurethat inad-
aid to permit selection of color on customers vertentconnectionto conducting sur-
premises. Cardboard insert shipped with set is facesorotherpowersourcedoesnot
discarded at time of installation, occur. If morethan onetransformeris
plugged in to a m ultiplereceptaclepo veer
strip,theremust beat least oneinch sep-
• Dial, 35AT3A aration between transformers. OnlyUL
listed receptacle power strips with ade-
• Memory, 960-type (includes button field)quate powerrating shall beused.Useof
acontinuous terminal power strip that
• 841382245 Cover Assembly allows thesecondaryoutput terminals of
the transformerto bein closeproximity
• 841382146 Directory Sheet Set (includes four to theac linesourceis not recommended.
directory sheets and one sheetof color dots)
• 812558039 (P-25E803) Station Number Card Warning: Do not turn on thebattery
switch orplug in the2012B (MD) or
Retainer 2012D transformeruntil all connections
• 841381098 Handset Hook and modifications are completed.Take
extremecarenot to damagethe exposed
Caution: A 2012A (MD) or2012C trans-components,circuits,etc.when the set is
former shall not be substituted for a opened.
2012B (MD) or2012D, as set will not
operate properlyon the lowervoltage.3.01 Terminate the local loop into a jack or con-
necting block suitable for the D4BU-29
• Transformer, 2012D mounting cord. If this is to be a wall set installation,
terminate loop into a 630A4 connecting block and
• 841417165 Shield and Lead Assembly (Fig. 4) refer to Part 7of this section for conversion of set.
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SECTION 503-301-101
UPPER HOUSING
MOUNTING SCREW
STATION NUMBER
CARDRETAINER
REMOVED TO SHOW
MOUNTING SCREW
MEMORY
MOUNTING
SCREWS
LOWERHOUSING
UPPERHOUSING
/
SHIELDLEAD
55AT3A DIAL
UPPER HOUSING
MOUNTING SCREWS
Fig.4--1_2960AOIM (MD) Telephone Set With Handset and Faceplate Removed and
Shield Laid Aside0
For standard deskset installation, terminate loopground through a625 or 630-typecon-
into 625-type connecting block, necting block.Thisplaced the black(BK)
shield leadat earth ground potential
Note: For information on modular connect-
ing blocksor adapters, referto Section 503-100-Caution 2: During wiring options, care
100.had to be taken that the black (BK)
shield lead remained connected to earth
Caution 1: On sets manufactured or ground.Sets manufactured or repaired
repaired prior to November 1979, to pro- after October1979 will have the black
tect the circuit fromstatic discharge, the (BK) shield lead connected to terminal 16
black (BK) shield lead was factory wired on the power supply board.This is the
to the yellow (Y) lead of the mounting dialer common terminal This wiring
cord jack.Upon installation ofthe set the change will provide adischarge path for
yellow (Y) lead was connected to earth static electricity buildup.
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