ISS 2, SECTION 502-6 10-406
4258
D I-TYPE
NETWORK
RINGER
L2
RR
(S)
(BK)
3
(Y-S)
[Y-11)
B OR Bl
0
1
A
(S-R)
(R)
2
(S-Y) (Y-BL)
R OR Rl
l
K
(R)
[S-R)
(II)
RCVR
f
LS
g
ON
G3AR
TO
HANDSET
r I G.3
(w)
Rl
(R)
OR 4
BK
TRMTR
(BK)
(S-BK)
Bt
(BK)
L2 t
(Y-BR)
(Y-BK)
LS OR BL
NOTES:
(V-BL)
[G)
I.
SPEAKERPHONE
LEADS
2.
LINE Sill TCH O rr-HOOK
SEQUENCE:
(BL-V)
[R)
cb-
CLOSES
de
-CLOSES
Gt
(11-0)
[R-BK) A
ob-
OPENS
fg-OPENS
(BR) (S-G)
(0-
V)
[BR] OR
[Y]A I
LEGEND:
(Y) (S-11)
LS-LINE 51/ITCH
LS
(0-V)
DP-D I AL PULSE CONTACTS
[ Y)
A I
ON-DIAL orr NORMAL CONTACTS
(S)
( ) CURRENT COLOR CODE
(Y-O) (0-BK]
LK
I 1
MD COLOR CODE
t
TERM. ON NETWORK
Lit
(0-Y)
(0]
AG
(BL)
rt
(W)
I
S-BR]
(G)
(S-Y]
(BL-Y)
(O-R)
Rl
DP
d
TO
LS
riG.5
(G)
(Y-BL)
(0-G)
T
I
(NOTE
I)
BB
(Y-G)
(o-w)
P3
(G-Y)
(0-BL)
P4
TPA 519430
Fig. 2-630- and 631 -Type Telephone Set, Connections (Early Production)
Page 3
BSP 502-610-406-i02_1972-01-03.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb 04, 2012 12:26:17
