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SECTION 503-603-101
FIG.H
FIG.I
TB2
TBI
-
(O-BK)
-
(G)
e
(W)
FIG.
(BR)
....
I FIG- J
-
•
F
_
.
d
(G)
_t
L
(BK) 1
(V)
....
I FIG. I
---
(Y)
FIG. F
_
I
KS-20419,
LI
(BK)
k
(0)
BUZZER
STRAP
.....
--xt_._(_/)
!
(R)
(BK)
(BK-BL)
2"-""
I
......
_-
_
(W)
__
:3
F,G.K t (Y-BL)
.....
_-
I
(BL)
I
2
FIG.
(Y-BL)
__)'-',
i
( BL )
(BL)
L
_
,
4.
(BK-BR)
-
i
I
5
(BR-Y)
FIG.
B
h
(BL)
_
7
i
GI5A
_
---
(BR-W)
_
HANDSET
_
(Y-BR)
)
!
'"
(BK)
Ji5/
_
FIG.
8
_P5 (BK)
....
FIG. J
f
(R)
(W)f
L
(W) t
TIPIG)
(V-BL)
!J
('11
_
9.
i_I_F(B.K_
BL ,
FIG, K i(BL,
Y)
I
j
,B.)
1 !
I
' I
o
(BR-Y)
(R!
_<
.<
_
(ZEal--
I(BR..R)
i _
a
(S)
___>)_'1
....
(G-
........
(G)
LJ
<1
(G)
J
FIG.
(BK)
_z
(o-w)
B
L______
b
(Y) _
_
PIB RINGER
( BK )
13
( S- Y )
FIG.
J
FIG.
(BL-W)-
._, o.._-TYP_ . _TWO.,
F
i
FIG. J
--_2__E)
15
G
j
(0)
16
(O-Y)
kl
_
®
FIG. I
FIG. K
K
(_
....
(Y-S)_
T
(2v-
., (v-o)
F
(_
PHYSICAL
TERMINAL
LAYOUT
PHYSICAL
TERMINAL
LAYOUT
OF 425K
NETWORK
OF 4?_?_8-TYPE
NETWORK
A
(BL-W)
__
(2)
"-
-_t'_
......
_
T
F
A(2)
(Z) K
RR
(R-G) I
(_C
S (2)
(_
(_)F
(_
(_S
_
(_
(_
'"
RR
Lira
ON (_;_Z)
K(,_
C
(2__
g
R
_-
.... ( BK-°) 1
B(__)
T
LI(2)
(_)G
GN
(BK-G)
FIG.
B
(2)
G(__)
(_ RR
(G-BK)
_
B
GN
I
(V-BL)
S
R
_
(_
L2
....
Q
WITH SPEAKERPHoNE
r--'t
.....
FIG.
H
_
IF NON-MODuLAR
AMPLIFYING
HANDSET
IS USED,
YELLOW
LEAD MUST BE
(Y-BE)
STRAP
CONNECTED
TO TERMINAL
I0.
i
(,BK)
_
(R-BL)
LEAD
WAS ON TERMINAL
F IN EARLY SETS.
Fig. 9--1_2872A1M
(MD) or 2872A2M Telephone Set, Connections (Sheet 4 of 5)(I
Page 36
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