2660AI
T
E
L
E
P
HONE
S
E
T
FROM
DIAL (V)
t
FROM
LINE
IS)
SWITCH
NOTES:
D
I
OR
MTG
CORD
A
I
GRD
Tl P
(W-BL)
R
I
N
G
(BL-W)
SEE
A-AG
(W-0)
TABLE
C
(O-W)
A
I
-
S
G
Tl
(w-G)
I
R
(BR-W)
IT
(W-BR)
LK
(5-W)
SPARE
(w-s)
SPARE
(G-W)
I.
(R) ANO (G) CONDUCTORS ARE NOT TERMINATED
IN PLUG Of M2fG CORD; ONLY (BK) ANO {Y)
CONDUCTORS ARE USED.
TO
ll
NE
OR
A
RING
Tl P
____
TO
B�BI
POWER
U
NI
T
2.
(0-R) LEAD IS OEAO DRESSED IN PLUG Of 223A ADAPTER.
II
INSULATED ANO STORED
t
NETWORK TERMINAL
+ 0-161488
CONNECTORS
§
OEAO DRESSED
11
STRAP APPEARS ON IOBAA ONLY
44A
MI6C
C
O
N
N
OR
BLK
MI6H
CORD
(Bl-W)
(W-0)
4
(W-BR)
(W-BL)
(G-W)
10
(W-G)
(o-w)
(R-BL)
(BL-R)
lt
(W-5)
{ BK I
MZFG
CORD
{NOTE I)
lt
(R-0)
2 2
OR
AO
(N
(G-W)
TVL
(W-G
GRD
4
Fig. 4-.Typical Grandfathered 4A Speakerphone System Arrangement, Connections to 2660A 1 (MD) Telephone
Se�
BSP 512-730-450-i05_1979-09-lO.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb 23, 2012 22:23:32
