660AI
TO LINE
44A
TELEPHONE SET
DIOR
COHN BLK
MTG CORD
GRO
RI
N
G
Tl
P
TIP
(W-BL)
TBI-LI
RING
(BL-W)
SEE
A-AG
(BR-W)
TBI-P2
Af-SG
TABLE
A AND
8
(o-w)
Tl
(w-o)
II
P4
(G-W)
P3
(w-G)
LK
(w-BR)
,I
(s-w)
,2
(w-s)
TO
IBV,
60 HZ
(
DIAL POWER SOURCE
NOTES:
1. (RI
AND (G) CONDUCTORS ARE NOT TERMINATED IN PLUG
OF M2FG CORD; ONLY (BK) AND (Y) CONDUCTORS ARE USED.
2. (0-R) LEAD IS DEAD DRESSED IN PLUG OF 223A ADAPTER.
*
INSULATED AND STORED
T
NETWORK TERMINAL
+
TERMINAL ON 41-TY PE DIAL
§
DEAO DRESSED
f?
STRAP APPEARS ON 108AA ONLY
TO
85BI
POWER
UNIT
[
I BK I
(YI
M2FG
CORD
(NOTE I)
Mt6C
OR
MI6H CORD
(BL-W)
(W-0)
(W-BR)
(W-BL)
(G-Il)
(W-G)
(o-w)
"
(R-BL)
"
(BL-R)
"
(w-s)
"
(S-11)
*
(R-G)
(BR·WI
*
(O-R
I
223A
OR 223D
ADAPTER
(NOTE 2)
49
47
50
45
48
46
22
19
c317
26
e
4
3
27
e42
28
*
Fig. 3-.Typical Grandfathered 4A Speakerphone System Arrangement, Connections to 660A 1 (MD) Telephone
Setf
BSP 512-730-450-i05_1979-09-09.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock,
Colorado Feb 23, 2012 22:23:15
