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SECTION S02-501-115
LEAD
D ES I G
"'
!!!
..J
Rl
0
0
RING
Tl
Gl
NOTES:
I . fOR CONNECT I ONS TO SPEAKERPHONE SYSTEM REfER TO
2.
APPROPR I ATE SECT ION IN D I VIS ION
CONNECT AS I N D I CATED fOR I ND I V I DUAL SERV I CE;SEE
3.
TABLE f fOR CONNECT I ON fOR OTHER CLASSES Of SERV I CE.
fOR MANUAL SERV I CE,REPLACE D I AL \liTH APPARATUS
BLANK.REfER TO TABLE f fOR LEAD CHANGES.
4. CONNECT I ONS fOR C48 R I NGER SHO\IN. SETS \liTH C4A
R I NGER \I I RED AS fOLLOWS:
e(BK) TO f
e(S) TO K
e(S-R) TO A
e (R) TO
R EMOVE (S) STRAP FROM NET. TERMS.
Page 18
Reissued March 1972
SSP 502-501-115-i02_1971-05-18.Jpg
Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Jan 29, 2012 23:55:11
TER MS.
ON
NET.
�=�=�
J
:
-
0
-
R
R
512.
L2
Fig. 20-500R/S Telephone Set, Connections
TYPE
9H, 7G ( MDI
M
C4-
OR 7H (
RINGER
I
(NOTE 4
D I AL
(NOTE 3)
(G ) [S-G]
5.
L I NE S W I TCH SEQUENCE, HANDSET REMOVED.
(2)
( I ) be MAKES
b1 c 1 MAKE
de
(3)
AND
ob AND
o1
(4)
BREAKS
fg
6. TO S I LENCE R I NGER PERMANENTLY,D I SCONNECT
0 P-o
LEAD I NSULATE AND STORE.
I AL PULSE CONTACT
ON-D I A L Off-NORMAL CONTACT
( )-CURRENT COLOR CODE
( )-MD COLOR CODE
425E NET W ORK
I
D
(Rl [S-R]
( W)
[S-BK]
1
b
BREAK
G3- TYPE
HANDSET
(BK) R I NGER
5 1 8518
TPA
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