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DIAL RESTRICTION MODIFICATIONS (NOTE 1)
TELEPHONE
SET
831DM
and
2831DM
831CM and
2831CM Mfg
2-77 or later
831CM and 2831CM
E/W New Line Switch
and Mfg before 2- 7 7
(Not e 2)
831A1M, 831B1M,
831C,831CT,or 831CM
E/W Old Line Switch
2831A1M, 2831B1M,
2831C, 2831CT, or
2831CM E/W Old
Line Switch
Notes:
1.
Rotary dial telephone set must have a 5 33K preferred or KS-21765L1 or a 446F
diode installed between RR and F of the network, see Fig.
2.
The new line switch can be identified by two additional leads which are (BL).
.TABLE D.
LEAD
REMOVE FROM
FUNCTION
COLOR
NET.
Line Tip
G
Line Tip
G
Line Ring
R
Line Ring
R
Line Tip
G
Line Tip
G
Line Ring
R
Line Ring
R
G
Line Tip
Line Tip
G
Line Ring
R
R
Line Ring
Line Tip
Line Tip
G
Line Ring
R
Line Ring
R
Line Tip
G
Line Tip
G
R
Line Ring
R
Line Ring
ISS
SECTION 503-702-101
8,
CONNECT TO
SET
NET.
SET
8
3
8
3
3
8
3
8
8
6
8
6
6
8
6
8
16
6
16
6
6
16
6
16
F
6
F
6
6
F
6
F
8
6
8
6
6
8
6
8
6.
OS,
2012
Page
9
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