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Bell System Practices Plant Series Reference page 7

Telephone sets

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COMPONENT ORDERING GUIDE
(COLOR SIGNIFICANT)
TELEPHONE
MAT
SET
1750A-58
P-26E932
1750B-60
P26E933
Note:
These sets are also equipped with the following
common components:
Dial, 25Wt or 25A3 (MD)
Ringer, D1E
Reel, Cords, 3A or 3B
P-90D232 Cord and Plug Assembly- replaces
D4BN -3 mounting cord on early production
sets
P-44E501 (upper
half)
met assembly.
Furnished with telephone set
t Furnished with Kit of parts used for surface mount­
ing
t May be converted to provide 12-button capability by
installing a D-180115 Kit of Parts and replacing mat
with appropriate 12-button mat. Refer to Table A
for mat piece part ordering information.
The
3A
the telephone set is subjected to tem­
peratures below 40 degrees F. The 3B
cord reel shall be used when the tele­
phone set is not subjected to tempem-
tures below 40 degrees F.
Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Jan 31, 2012 22:27:05
SSP S02-706-100 -i01_1970-03 -07.jpg
TABLE A
LINE
FRAME
SWITCH
(MAT)
ASSEMBLY
P-84A261*
P-85A161
P-89C261t
P-84A260*
P-85A160
P-89C260t
half)
and P-44E502 (lower
grommet- replaces P-14E894 grom­
cord reels shall be used when
MODIFICATIONS FOR USE WITH 1A1 OR
LEAD
HANDSET
Line
G3K-58
Switch
G3K-60
M1W Cord or Equiv.
Line
Wire
Terminal on P-44E055 mounting block.
t Terminal on 71B connecting block.
( ) Current color code.
]
[
MD color code.
POLARITY GUARD CONNECTIONS
(P·90D060 GUARD ASSEMBLY)
LEAD
Line
Switch (Note)
Dial
Polarity
Guard
Terminal on polarity guard.
( ) Current color code.
[ ]
MD color code.
When connected for 1A1 or 1A2 KTS per Table
Note:
C, move (W) [S-S] from C to S.
ISS 1, SECTION 502-706-1 00
TABLE
8
1A2 KTS
COLOR
FROM
(Y)[S-Y]
R•
(BR)[S-BR ]
c
(G)[S-G]
GN*
(W)[S-S]
F
GN* to F
(Y)
(BK)
TABLE C
COLOR
FROM
(BR)[S-BR]
c
(BK)
RR
(G)
(W)
TO
y•
BK*
R*
c
3t
4t
TO
s•
T*
RR
c
Page 7

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This manual is also suitable for:

1750a-581750b-60