SECTION
502-502-1 01
INSIDE
WIRE
TIP (G)
NOTES'
M2A(MD),
M280R PIA
RINGER
(NOTE I)
(BK)
500D.
IBLI
24000
(R)
NET.
TERMS.
lSI
I . IBLl RINGER LEAD FURNISHED ON PIA RINGER
ONLY. lSI LEAD MAY APPEAR ON TERMINAL L2
IN SOME SETS.
2. IBLl AND (0) LEADS MAY NOT EXIST ON SOME
LINE SWITCHES. IN ADDITION, IN SOME SETS
THEY MAY APPEAR ON Ll OF THE NETWORK.
3, (W) LINE SWITCH AND (G) DIAL LEADS MAY
APPEAR ON F I N S
E
TS EQUIPPED WITH 40100
NETWORK.
4.
LINE SWITCH OFF-HOOK SEQUENCE
(I)
b-e
CLOSES
(4)a-b OPENS
121
d-e
CLOSES
(51
f-g
OPENS
(3)
j-k
CLOSES
5.
SET FACTORY-WIRED FOR BRIDGED SERVICE. REFER
TO TABLE E FOR CLASSES OF SERVICE NOT SHOWN.
6.
REFER TO TABLE F FOR MODIFICATIONS FOR
IAI OR IA2 KTS.
*
INSULATED AND STORED.
(0-BKI
WITH 25W3 DIAL
WITH 25A3 (liD) DIAL
Fig.
3-1 5548( MD}
Telephone Set, Connections
Page
4
SSP 502-502·101-i01_1970-02-04.jpg Scanned by Frank Harrell, {Cowboy Frank) Castle Rock, Colorado Jan 30, 2012 22:39:54
25W3
DIAL
