AT&T Plant Series - Key Telephone System Connections; Key System Connection Notes

SECTION 502-304-101
IR E
INSIDE W
OR
IW CAB
(NO TE
LE
I)
I 044 CONN
BLK OR
EQUIVALENT
MTG
J
AC
K IW
CORD
(NOTE I)
A l
-
-
-
,...
-
----
TO DIAL
LIGHT
TR NSF
T IP
A
RI NG
NOTES :
i
l
( W)
'CJ
~
(BK)
-
,.....
(G)
'U
s
(Y)
,.....
~
~
(R)
'CJ
'
,
'
/
2
'
/
'
, ,
4
' / '
,
s
'
, ' ,
3
I. RUN INSIDE WIRE DIRECTLY TO TER M INAL BOARD WHEN AC I BASE
IS USED AND TO CONNECTING BLOCK WHEN ADI BASE IS USED.
2. DISCONNECT (BL) LEAD FROM TERMINAL B WHEN HSAA
CORD IS USED, INSULATE OR STORE ON UNUSED TERMINAL .
P IA LI NE
RINGER SWITCH
(NO TE 3)
..__ ---- -
-----i
--
(BL)
•
(
d
( G)
et
( W )
(
R)
(S-R)
*
16S00 I
(S)
*
soon
1
I
(BL)
soon
(BR)
ci
b (Y)
aj
(S)
(NOTE 2)
(BK)
3 . LINE SWITCH OFF-HOOK SEQUENCE
b-c CLOSES
d-e CLOSES
o-b OPENS
j-k CLOSES
* INSULATED AND STORED
TERMINAL
BOARD
(NOTE I)
~
),. 3
-
,.-,,I
~
"-'
~F
"-'
LI
,
"
(BK)
~~A
::::~
"
K
G
~
I
~
'CJ
L2
B
,.....
~
c
,.....
Fig. 16-ACl and ADl Telephone Bases, Connecti ons for lAl, 1A2, and 6A Key Telephone Systems
Page 12
HAND
SET
CORD
JACK
0
(W)
0
(BK)
/
'
( G)
0
0
( Y)
,
'
( R)
'
0
0
0
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