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

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
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