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Bell System Practices TOUCH-A-MATIC 2872A1M Identification, Installation, Connections, Operation, And Maintenance page 16

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SECTION
503-603-101
TOUCH-A-MAT I C
TELEPHONE
SET
' 1
_/
1
'
95B-TYPEI
D-STATION WIRE
;
II 7 VAC
_
POWER |
MOUNTING CORD
(NOTES1
AND 4) L
UNIT
J
(NOTE ._)
,-
(
149B ADAPTER
(NOTE 2)
_"_
(NOTE 2)
___
t
J
1D-STATION
--I _-TY_po_
t--I_'"_
_,_
,,7 VAC __
"
(NOTES
\
6)
t
IAND4)
I
UNIT
I
I 0
I
,.,
(31)
(I0) t
.j
21
30
=_.
<
(36)
(15) t
TO KEY TELEPHONE SYSTEM
_"
(NOTE 2 )
_
31
40
1
NOTES:
(20)
t
I. THE 95B-TYPE POWER UNIT MAY BE CONNECTED
50
TO AC POWER AT SET LOCATION, AT 149B
I'_0
i i
iI
66E3-25
ADAPTER OR 66E3-25 CONN. BLOCK, OR AT KEY
_
CONN BLOCK
EQUIPMENT END. SEE PARA. 3.03.
_ J ,'46
_I
,_
;1'21_
(25)
t
(NOTE 2)
2. I F THE POWER UNIT IS TO BE CONNECTED AT
--t'--I
THE 149B ADAPTER OR THE 66E3-25 BLOCK,
I I
D-STATION
INSULATE AND STORE THE (BL-V) PAIR AT THE
I I
95B-TYPEI
KEY EQUIPMENT END.
LI
WIRE
POWER
L
L
117 VAC
3. INSULATEAND STORE THE (BL-V) AND (V-BL)
UNIT
• (NOTES
MOUNTING CORD LEADS FROM PSB TERMINALS.
| I AND 4)
4. A 95B-TYPE POWER UNIT IS REQUIRED FOR EACH
TELEPHONE SET.
_ C.O.
f
NUMBERS IN PARENTHESES I NDICATE
CONNECTOR PiN NUMBERS
--
--
KEY TELEPHONE SYSTEM
D'STATION
I
L
,- ---- ---
95B-TYPE
J_>W,RE
I
POWER
L If7 VAC
4_
(NOTES
IUNIT
I
I AND 4)
66B4-25 CONN BLOCK
OR EQUIVALENT
Fig.
8--2872AIM
(MD)
or
2872A2M
Telephone
Set,
Alternate
Power
Connection
Methods
Page
16

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