SECTION
512-730-450
APPARATUS
Line
Switch
Ringer
UABLE Bt
660A1 TELEPHONE SET EQUIPPED WITH C4A RINGER
MODIFICATION FOR 4A SPEAKERPHONE
WIRE OR LEAD
INDIVIDUAL
RING PARTY
LEAD
OR BRIDGED
(NOTE 3)
DESIG
COLOR
(NOTE 3)
(BR)
[S-G]
*
(Y)
[S-W]
TBI-P2
(W)
[S-BR]
c
(R)
L1
TIP PARTY
WITHOUT
I DENT.
(NOTE 3, 4)
L1
Straps
(BK)
F
TBI-P2
(Y)
TBI11
SCA
(Y)
TBII 2
Dial
(W)
TBII 3
(Note 1)
(W)
TBII 4
(BL)
TBII 5
(G) or (BL)
TBII 6
Add Straps
TBil-1 to 41-type dial, terminal 1
(M1W cord or
TBil-2 to 41-type dial, terminal 2
equivalent)
R
(BL-W)
TBI-L1
T
(W-BL)
F
A1
(O-W)
TBI-P2
D10R
T1
(W-0)
41-type dial, terminal 6
Mounting
P4
(G-W)
41-type dial, terminal
1
Cord
P3
(W-G)
41-type dial, terminal 2
(Note 2)
A-AG
(BR-W)
*
L
K
(W-BR)
TBI-L2
P1
(S-W)
41-type dial, terminal P1
P2
(W.S)
41-type dial, terminal P2
Note 1.
Replace BRA dial with SCA 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.
Page 4
512-730-450-i05_1979-09-04.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb 23,2012 22:21:50
