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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 Memory 16
2. IDENTIFICATION ......... 2 B+ Change a Number in Memory 16
A. Design Features ....... 2 C. Delete a Number From Memory 16
B. Optional Features ....... 2 D. Automatically Dial a Number From
C. Operating Features ...... 4
D. Ordering Guide ....... 4
3. INSTALLATION .......... 7
INSTALLATION CHECK PROCEDURE 11
OPTIONAL APPARATUS INSTALLATION 12
D-180812 Kit of Parts (Record Disable and Type Key) ......... 18
Dial Intermix) .......... 12
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
Upper Housing Removal ..... 15 E. 35AT3A Dial ........ 21
Lower Housing Removal ..... 15 F. P1A Ringer ......... 21
Power Supply Board (PSB) Terminals G. Handset Jack ........ 22
............. 15
4. CONNECTIONS ......... 16 ............... 22
5. OPERATION ........... 16
*Registered Trademark of AT&T(_o (ADJUNCTS) .......... 23
6+ MAINTENANCE ......... 18
7. CONVERSION FROM DESK SET TO WALL SET
8. CORD DRESSING FOR OPTIONAL SERVICES
Memory .......... 16
E+ LAST NUMBER DIALED Feature 16
F. End-to-End Signaling ...... 17
G. Access Code ......... 17
H. Speakerphone Option ..... 17
I. Multillne Service (Using 6040/6050-
NOTICE
Not for us++,or disclosure outsi([e tht +
[_vll _+_;t_+mexcelJt un(]er ++ritt_+n_i,_tt,t+tltt,nt
Printed in t g.A Page 1
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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, automatic dialing
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 radiate radio frequency A. Design Features
energy and if not installed and used in
accordance with the instructions manual, 2.02 The following are design features:
may cause interference to radio commu-
nications. It has been tested and found to • Modular telephone set
comply with the limits for a Class B com-
puting device pursuant to Subpart J of • Integrated circuit memory and dial
Part 15 of Federal 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 a residential area is grammed telephone numbers for automatic
likely to cause interference in which case dialing
the user at his own expense will be re-
quired to take whatever measures may • Capability to record and automatically dial
be required to correct the interference._ 15 telephone numbers of up to 15 digits each
1.02 The reasons for reissuing this section are • Last number manually 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 A lead 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,
1.04 The telephone set is" available in Ivory (-50)
only. For color selection of available faceplate,
refer to Table A. *Registered Service Mark of AT&TCo.
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or 28A ringer isolator as a coupling device
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ISS 5, SECTION503-301-101
Fig. 1--2960A01M (MD) Telephone Set
(d) A lead control for 1A1, 1A2, 6A, or 6B key tele- (g) 107-type loudspeaker set (SPOKESMAN*
phone systems loudspeaker unit) may be interfaced with the
(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 accidental erasures
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
(f) Multiline service using adjunct key
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.
telephone set (see Section 463-221-100)
record disable feature plus the following:
(a) Allow digits dialed from manual dial and
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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-
(b) Disables the LAST NUMBER DIALED pressed, with the handset off-hook, initiates
feature, automatic redialing of the last number man-
(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
(j) D-180851 Kit of Parts provides the following pressed, lights the RECORD lamp and en-
features: ables the memory circuits to store telephone
(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-
(a) Amplified receiver (G6BM) position when set is not in service.
(b) Amplified transmitter (G7BM) D. Ordering Guide
(c) Noisy location (GSBM)
(d) Acoustic or inductive coupling to cus- set and may be ordered as follows:
tomer-provided equipment (G15A).
2.04 All options are implemented by the following: cludes:
umn of nine buttons) when momentarily de-
ually dialed
nonlocking and when momentarily de-
numbers manually dialed
tom of the set, Fig. 2), should be in the OFF
2.06 Order as follows:
(a) The 2960A01M telephone set is a modular type
(1) Set, Telephone, 2960A01M-50 which in-
(a) Wiring changes in the telephone set (a) Adapter, 248B
(b) Installation of appropriate additional items. (b) Plug, 523B4, (used when converting from
C. Operating Features (c) Cord, Handset, H4DU-50
2.05 The following are operating features:
• Dial (TOUCH-TONE* telephone dial), D4BU-29 cords.
35AT3A
• 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
•Trademark of AT&TCo.+ shall not be substituted for a 2012B (MD) or
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(b) Order the following separately:
a desk set to a wall set) Fig. 12
(d) All components listed in (c) Replaceable
Components, except faceplates and
Note: A 2012A (MD) or 2012C transformer
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ISS 5, SECTION503-301-101
Fig. 2--2960A01M (MD) Telephone Set, BottomView
2012D, as set will not operate properly on the . Upper Housing Assembly, 60AU-50
lower voltage.
• Clamp, 2A [used to secure 2012B (MD) or suffix)
2012D transformer to outlet].
a Faceplate, 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-
• Cord Clips, B (for dressing cords as needed).
lc) Replaceable components may be ordered sepa-
rately as follows: • Battery, KS-203901,5
• Lower flousing Assembly, 60AL-50 • Ringer, I)IA
• Faceplate, 260A- (refer to Table A for color
• Handset, K2C-50 or K1C-50 (MD)
mum 14 feet)
• Jack, Handset, 616J
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SECTION503-301 -10i
A. DIRECTORY DISPLAYED C DIRECTORY PRIVACY
(WINDOW CLOSED) (WINDOW CLOSED)
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B. DIRECTORY DISPLAYED D. DIRECTORY PRIVACY
(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 ORDERING GUIDE (SeeNote) (d) See Table II for apparatus required.
CODE COLOR 3. INSTALLATION
260A-100 Avocado Danger 1: For safety, securely attach
260A-108 Teak cover screw BEFORE attempting to in-
260A-109 Walnut The transformer and any other cord
260A-111 Gold be unplugged completely from outlet
26 0A-112 Orange the elamp. This will pre yen t the possibil-
260A-113 Brown lic outlet cover making contact with the
260A-114 Red tialiy withdrawn from outlet. Do not use
260A-115 Blue retaining clamp on outlets where cover
260A-118 Black in the box.
Note: A display package containing all 9 color and dress leads connecting to low voltage
faceplates can be ordered as a D-180666 Kit of output terminals of 2012B (MD) or
Parts. This package is intended for use as an 2012D transformer to assure that inad-
aid to permit selection of color on customers vertent connection to conducting sur-
premises. Cardboard insert shipped with set is faces or other power source does not
discarded at time of installation, occur. If more than one transformer is
• Dial, 35AT3A aration between transformers. Only UL
• Memory, 960-type (includes button field) quate power rating shall be used. Use of
• 841382245 Cover Assembly allows the secondary output terminals of
• 841382146 Directory Sheet Set (includes four to the ac line source is not recommended.
directory sheets and one sheet of color dots)
• 812558039 (P-25E803) Station Number Card Warning: Do not turn on the battery
Retainer 2012D transformer until all connections
• 841381098 Handset Hook and modifications are completed. Take
Caution: A 2012A (MD) or 2012C trans- components, circuits, etc. when the set is
former shall not be substituted for a opened.
2012B (MD) or 2012D, as set will not
operate properly on the lower voltage. 3.01 Terminate the local loop into a jack or con-
• Transformer, 2012D mounting cord. If this is to be a wall set installation,
• 841417165 Shield and Lead Assembly (Fig. 4) refer to Part 7 of this section for conversion of set.
retaining clamp to ac outlet using outlet
stall 2012B (MD) or 2012D transformer.
plugged into the ac outlet should always
BEFORE attempting to attach or remove
ity era loosened retainer clamp or metal-
ac prongs of the transformer when par-
mounting screw holds the duplex outlet
Danger 2: Care should be taken to trim
plugged in to a m ultiple receptacle po veer
strip, there must be at least one inch sep-
listed receptacle power strips with ade-
a continuous terminal power strip that
the transformer to be in close proximity
switch or plug in the 2012B (MD) or
extreme care not to damage the exposed
necting block suitable for the D4BU-29
terminate loop into a 630A4 connecting block and
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SECTION 503-301-101
STATION NUMBER
CARD RETAINER
REMOVED TO SHOW
MOUNTING SCREW
/
SHIELD LEAD
UPPER HOUSING
MOUNTING SCREW
UPPER HOUSING
55AT3A DIAL
MEMORY
MOUNTING
SCREWS
LOWER HOUSING
UPPER HOUSING
MOUNTING SCREWS
Fig. 4--1_2960AOIM (MD) Telephone Set With Handset and Faceplate Removed and
Shield Laid Aside0
For standard desk set installation, terminate loop ground through a 625 or 630-type con-
into 625-type connecting block, necting block. This placed the black (BK)
Note: For information on modular connect-
ing blocks or adapters, refer to Section 503-100- Caution 2: During wiring options, care
100. had to be taken that the black (BK)
Caution 1: On sets manufactured or ground. Sets manufactured or repaired
repaired prior to November 1979, to pro- after October 1979 will have the black
tect the circuit from static 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 of the set the change will provide a discharge path for
yellow (Y) lead was connected to earth static electricity buildup.
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shield lead at earth ground potential
shield lead remained connected to earth
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