AT&T BELL SYSTEM Touch-A-Matic 870A1 Identification, Installation, Connections, Operation, And Maintenance page 33

32 automatic dialer
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1SS 5, SECTION 501-164-201
DIAL
870A1
&-
2870A1
SPO
-
lYPICAL
TEL SET
1
3S (K))
S?EAKERPINME
w
I
I
1
I
TEL SET
MTGcm
(o-v)
) 22
1496
5% CfflTROL
WA
666a
AOAPTER
WIT
cm
TRMTR
INSIDE
56
MIRE
18
a
(0-BK)
5
I
LI
22>
'o-v)
CONNECTOR
CABLE
*
TO KEY EQUIPMENT
1
I
6.BUTTXA
KEY SET
UITH
50-PIN
CONNECTOR
Ml 6H
CORG
(o-R)
I
MTG
(w-o)
CORO
4A SPEAKERPHONE
l+
10B-TYPE
LSPK
020N
MTG
CORO
m
I--+52d
08s
II-J
NOTE :
FOR THE ONE-TOUCH
OPT ION
ONLY,
ADD STRAP
MIRE
FROM
TERMINAL
10 TO TERMINAL
35,
*
INSULATE
ANO
STORE
t
SPARE
TERMINAL
D-1 61488
CONNECTOR,
OR
IN CASE OF
"TOUCH-A-MdTl
C" TEL SET
IT UOULD
BE THE
SPO TERMINAL
ON PSB.
*
THIS
(M-G) CONOUCTOR
IS IN
THE
OIOU
OR OIOY
MOUNTING
CORD
H
680- lYPE
TRMTR
2
41
1
T
29
(o-t?)
(w-o)
El
21
108-TYPE
LSPK
El
2
6B0-TYPE
TRMTR
Fig. 8—870A
1 and 2870A1
Dials, "SPO"
interface
Connections
for One-Touch Calling
Page 35

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