Bell 503-301-101 Service 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 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

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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

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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