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i
BEU SYSTEM PRACTICES
SECTION 501-164-201
AT&TCo Standard
Issue 5, May
1982
870A 1 AND 2870A1
"TOUCH-A-MATIC*"
32 AUTOMATIC
DIALER
IDENTIFICATION,
INSTALLATION,
CONNECTIONS,
OPERATION
AND MAINTENANCE
,,
CONTENTS
PAGE
1.
GENERAL
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2.
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B.
Optional
Features
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3.
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.
Installation
Check Procedure
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.
A.
D-1 80493 Kit of Parts (Dial Tone Detec-
tor and One-Touch
Calling
.
B.
D-1 80818
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ACCESS lN-
FORMATION
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c.
Housing
Removal
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4.
*Registered Trademark
Company.
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1
3
3
3
4
5
5
5
6
8
8
9
12
12
13
13
14
of American Telephone and Telegraph
CONTENTS
. . ..
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5.0PERATION
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A.
Record a Number
Into Memory
B.
Change
a Number
In Memory
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c.
Delete a Number
From Memory
D.
Automatically
Dial
a
Number
Memory
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E.
LAST NUMBER DIALED Feature
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From
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F.
End-to-End
Signaling
(2870A 1 Only)
6.
MAINTENANCE
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A.
B.
c.
D.
E.
F.
Trouble Analysis
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Battery
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Memory
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Dial
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.
line Sensing Relay Printed Wiring Board
Assembly
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.
Faceplate
(conversion
from
870A2
or
2870A2
to 870B1 or 2870B1 )
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.
1,
GENERAL
1.01
This
section
contains
information
870A1
(rotary)
and
the
(TOUCH-TONEt
service) Fig. 1 dials.
14
14
15
15
15
15
16
16
16
16
16
17
17
18
on the
2870A1
tRegistered
Service Mark of American Telephone and Telegraph
Company.
NOTICE
Not for use or disclosure outside the
Bell System except under written agreement
Printed in U.S.A.
Page 1
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