Bell TOUCH-A-MATIC 872A1M Manual

BEU SYSTEM PRACTICES
AT & TCo Standard
SECTION 503-603-1 02
Issue 2, April 1978
872A 1M TELEPHONE SET
(TOUCH-A-MA TIC® SET)
CONTENTS PAGE
1. GENERAL 2
2. IDENTIFICATION 2
Design Features 2
Optional Features
3
Ordering Guide 4
Operating Features
6
3. INSTAUATION 6
STANDARD INST AUA TION 6
Installation Check Procedure
9
OPTIONAL APPARATUS INSTAUATION 9
D-1 80568 Kit of Parts (With
Speakerphone)
D-180493 Kit of Parts (Dial Tone
Detector and One-Touch Calling Switch)
D-180494 Kit of Parts (2 / 4-Wire
9
9
Service) 12
D- 1 8081 8 Kit of Parts (Record Disable
and Dial Intermix Features) 12
Single-Line Service
Head Telephone Set
COMPONENT LOCATION AND ACCESS
INFORMATION
Location of Components
16
17
17
17
CONTENTS PAGE
Mounting Cord 18
Network Terminals 18
Power Supply Board (PSB) Terminals
18
Line Key Removal 18
Faceplate Removal 19
Handset Cradle Removal 19
Housing Removal 20
4. CONNECTIONS
22
5. OPERATION 22
Record A Number Into Memory 22
Change A Number In Memory 22
Delete A Number From Memory 22
Automatically Dial A Number From
Memory 22
LAST NUMBER DIALED Feature 24
6. MAINTENANCE 24
Trouble Analysis
24
Battery 25
Memory 25
Dial 25
6-Button Line Key 25
NOTICE
Not for use or disclosure outside the
Bell System except unde r written agreement
Printed in U.S.A.
Page 1