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FROM
I
SH
BSP 502·501-115·i0 2_1971-05-09.j pg
Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Jan 29, 2012 23:51:21
LINE SWITCH
IGI [S-G]
PLUNGER
SWITCH
(NOTE 2 1
(5-BR]
IBRI
IYI [S-Y)
(5-R]
IRI
IBKI
(S-BK]
NOTES:
I.
2.
3.
[)
D P
0
N
•Fig. 15-500E/F and 501F Telephone Set, Connections (Sheet 2
4258 (MD) OR 425E NETWORK
I G O R BLI
RR
FOR NEGATIVE STATIONS IN OFFICES WITHOUT ANI,
{Rl LEAD FROM 426A TUBE MAY BE CONNECTED TO
G IF RINGER OPERATION IS
MARGINAL.
FOR MANUAL SERVICE REMOVE DIAL AND ADD STRAP.
LINE SWITCH SEQUENCE, HANDSET REMOVED.
be
ob
{I )
MAKES
{31
BREAKS
de
I�
121
MAKES
{41
BREAKS
CURRENT COLOR COOE
MO COLOR COOE
DIAL PULSE CONTACT
DIAL OFF-NORMAL CONTACT
ISS 2, SECTION 502-501-115
�!�:; ;:
TPA 542538
of
2H
Page
9
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