Northern Telecom Decorator Series Identification, Connections And Maintenance page 3

SECTION 502-9011-200
1. GENERAL
1.01 The Candlestick telephone set has a circular
base with the dial mounted in it. The
transmitter is situated approximately 8 inches
(203 mm) above the base. The receiver
han~s
on the
hook at the left side of the telephone set (Fig. I).
1.02
Reason for Reissue.
To include new and
revised Figures, Charts and Tables. Because
of the extent of the changes, margined arrows are not
used.
2. IDENTIFICATION
2.01 Color codes for the
El
QSK420- and
QSQM420-tyPC telephone set are listed in
Table.A.
TABLE A
QSK420- AND QSQM420-TYPE
TELEPHONE SETS
CODES
CODE
QSK420A
El
QSK421A
El
QSK422A
El
QSK423A
El
QSQM420A
QSQM421A
QSQM422A
QSQM423A
COLOR
Black
Red
White
Canadiana
Black
Red
White
Canadiana
2.02 The
El
QSK420-type telephone set is a single-
line, rotary dial set which is factory wired for
ring party service. The set is equipped with a
3-conductor, round, spade-tip-ended mounting cord.
The set can also be modified for use with NE- I A I or
NE-IA2 Key Telephone Systems (KTS).
1058
info@telephonecollectors.org
,
2.03 The QSQM420-type telephone set is identical
in appearance to the QSK420-type set,
however, it is factory wired for individual or bridged
party service and is equipped with a 4-conductor, flat,
plug-ended mounting cord.
2.04 The assoCiated apparatus for these telephone
sets (which must
be
ordered separately) is
listed in Table B.
TABLE B
ASSOCIATED APPARATUS
TELEPHONE SET
CODE
QSK420A
El
QSK421A
El
QSK422A
El
QSK423A
El
NE-lAl OR NE-1A2
KTS
NE-D4BJ-03 Cord
NE-D4BJ-53 Cord
NE-D4BJ-35 Cord
NE-D4BJ-35 Cord
Not.e: Associated apparatus must
be
ordered
separately.
El
Not required by Bell Canada
3. CONNECTIONS
3.01
Connections for all classes of sefvice are
shown in Table C. Wiring modifications for
use with NE-IAI or NE-IA2 is shown in Table E.
Not.e:
For QSQM420-type telephone sets, all
service modifications must
be
made within the
set.
©Jeff Lamb