APPARATUS
Line
Switch
Ringer
Straps
BCA
Dial
(Note 1)
Add Straps
(M1W cord or
equivalent)
Strap
D10R
Mounting
Cord
(Note 2)
ISS 5, SECTION 5 12-730-450
660A1 TELEPHONE SET EQUIPPED WITH C4B RINGER
MODIFICATION FOR 4A SPEAKERPHONE
WIRE OR LEAD
INDIVIDUAL
RING PARTY
TIP PARTY
WITHOUT
LEAD
OR BRIDGED
(NOTE 3)
COLOR
I DENT.
DESIG
(NOTE 3)
(NOTE 3, 4)
(BR)
[S-G]
*
(Y)
[S-W]
TBI-P2
(W)
[S-BR]
c
(R)
L1
(Y)
TBII 1
(Y)
TBII 2
(W)
TBII 3
(W)
TBII 4
(BL)
TBII 5
(G) or (BL)
TBII 6
TBII-1 to 41-type dial, terminal 1
TBII-2 to 41-type dial, terminal 2
K of Net. to
K of Net. to
F of Net.
P2 of TB1
L1 of Net
L1 of Net.
(G)
to
to
L1 of TB1
F of Net.
R
(BL-W)
TBI-L1
T
(W-BL)
F
A1
(O-W)
TBI-P2
T1
(W-0)
41-type dial, terminal 6
P4
(G-W)
41-type dial, terminal 1
P3
(W-G)
41-type dial, terminal 2
A-AG
(BR-W)
*
LK
(W-BR)
TBI-L2
P1
(S-W)
41-type dial, terminal P1
P2
(W-S)
41 -type dial, terminal P2
Note /.
Replace BRA dial with BCA dial (order separately).
Note 2.
Replace D6AF mounting cord with D10R mounting cord (order separately).
Note 3.
Terminals on network unless otherwise noted.
Note 4.
4A speakerphone system
is
not designed for tip party identification service.
*
Insulate and store_
Current color code.
MD color code.
BSP 512-730-450-i05_1979-09-03.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb 23,2012 22:21:35
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