AT&T Plant Series - Table E: 4;8-Party Ringing with 426 N Diode

SECTION 502-304-101
TABLE E
CONNECTIONS FOR 4-PARTY FULL SELECTIVE OR 8-PARTY SEMISELECTIVE RINGING USING 426N DIODE
Page
14
PARTY
L EADS OR
- RI NG - TIP
+ RING + TIP
COLOR
R ing
R
R R
R
R
Line
Wire
·· - ·-·
Conn at
Tip
G G
G G G
Conn
Block
·· -· --
..
GRD
y
y
y
y
y
Dial
Light
I
y
y y
y
.... .
··- --
---- ---- - -- - --- -
·· --- -----
- .
Transformer
Leads
2
B
B B B
R R
R R
R
·- ---- -··
- - -- ---·- ·-- -
---- --- --·-
···- - ·---
G
G
G
G
G
Mtg
Cord
at
y
y y y y
Conn
Block
--
..
-- - ·
-- L-- ___ ___ _ . .:.._ _ __ _ _
~ -----·--
1-- .------ - ---
w
y
y y
y
·- -- ---- - ---- - --
------ -- -·-
-- --- - ·---
BK
B
B B
B
R
L2 L2
L2
L2
-· -- ··-- ·· ---- ·
G
LI
LI
LI LI
Mtg
Cord
-------···· --- -- -·-· - -- -
--- ·-· -- ·
. - - - ------ --- --- -
or
Inside v\Tire
y
3 3 3
3
at Term. Board
·· -- · ·-
-· - -·--
--· - -- - ----
---- - ·-·
··---·-··-
..
w
3
3 3 3
·· -- ·
...
··- ·- - ---- - ··- ---· -
. - ------ -- ---
BK
I
I I I
CD
L2 LI
3 3
426N
Diode*
··-
·------
L_ ______ __ _ _
®
G G G G
BK
K K
K
K
- -------
.___ -- -- ----
-·
- -- - --- --
L_ ____ -- -- ---- -
R
3 3
L2 LI
Ringer
·- - --- ---
Leads
s t
t
t
t
- --- ---
- - ·- --- --- - -
- - --- ---
S-R
G
G
G G
·--- -- -- ---
.._ ____ __ _ __
-·
BL B B B
B
Strap
From
A BK
3 3 L2
LI
Line Switch
s
t
t
t
t
* CD Flanged (Gold)· base installed in enlarged part of opening, see Fig. 9.
@ Knob end (housing tip) .
.
, Insulate and store.
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