BELL SYSTEM PRACTICES
AT& TCo Standard
SERVICE
SECTION 502-582-404
Issue 5, September 1979
25148 AND 2514BM TELEPHONE SETS
CONNECTIONS
1.
GENERAL
TABLE A
1.01
This section contains information on the
2514B (MD) and 2514BM telephone sets (Fig.
1 and 2).
POLARITY GUARD CONNECTIONS
[819040528 (P-90D052) GUARD ASSEMBLY]
1.02
Reissued to:
•
Revise mounting cord jack code, Fig. 2
•
Show spare terminals, Fig. 1 and 2.
1.03
When polarity guard is required in these
sets, connect guard assembly as shown in
Table
A.
WIRE
OR
LEAD
Dial
Line
Switch
Headset
and
Flash
Key
Polarity
Guard
REMOVE FROM
CONNECT TO
COLOR
POLARITY
NET.
NET.
GUARD
BK
RR
T
w
c
s
S-R
c
s
G
RR
w
c
Note:
For use when specified by local instructions for end
to-end signaling installations.
NOTICE
Not for use or disclosure outside the
Bell System except under written agreement
Printed in U.S.A .
SSP
502-582-404-i05_1979-09-0l.jpg
Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb
07,2012 23:37:26
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