The - NORTHERN ELECTRIC NE-500 Identification, Installation, And Maintenance

SECTION 502-5101-201
3.08 NE-500ER. The NE-SOOER telephone set is
identical to the NE-SOOFR telephone set,
except the dial is replaced with an NE-9SB
apparatus blank and the set is wired for use with
manual telephone systems.
3.09 NE-500FRN. The NE-SOOFRN telephone
set is identical to the NE-SOOFR telephone
set, except the instructions between the line switch
plungers are printed in both English and French.
3.10 NE-500MR. The NE-SOOMR telephone set
is identical to the NE-SOODR telephone set,
except the mounting cord has four conductors.
The NE-IAl , and NE-1A2 Key Telephone System
(KTS) control leads in the mounting cord are
bridged on the terminal strip to the line switch
assembly contacts. The NE-SOOMR telephone set
may be rewired for audible ringing by using a
separate pair of leads.
3. 11 NE-500LR. The NE-SOOLR telephone set is
identical to the NE-SOOMR telephone set,
except the rotary dial is replaced with an N&9SB
apparatus blank and the set is wired for use with
manual telephone systems.
3.12 NE-500SR. The NE-SOOSR telephone set is
identical to the NE-SOODR telephone set,
except it has additional line switch contacts for A
lead control and a I 0-conductor NE-D 1 OH
mounting cord for connection to a QUS I type
hands-free unit, an NE-3 type speakerphone,
and NE-lAl KTS , and NE-1A2 KTS.
3.13 NE-500RR. The NE-SOORR telephone set is
identical to the NE-SOOSR telephone set,
except the dial is replaced with an NE-9SB
apparatus blank and the set is wired for use with
manual telephone systems.
3.14 NE-500YR. The NE-SOOYR telephone set is
identical to the NE-SOODR telephone set,
except it is equipped with a lamp which provides a
message-waiting feature. The visual signal
indication from the COO 11S13 neon lamp which
protrudes through the housing into an amber cap,
is controlled by the attendant at the
message-waiting cabinet. General application of
Page 10
this telephone and its feature are in hotel/motel
installations. The transmission, ringing, dialing and
message-waiting indication circuits for the
NE-SOOYR telephone set can
be
energized through
a common pair of wires.
3.15 NE-500WR. The NE-SOOWR telephone set
is identical to the NE-SOOYR telephone set,
except the rotary dial is replaced with an NE-9SB
apparatus blank and the set is wired for use with
manual telephone systems.
3.16 NE-500YQJA. The NE-SOOYQlA
telephone set is identical to the NE-SOOYR
telephone set, except it has an MD2993
pushbutton which, when depressed, may be used
for signaling.
3.17 NE-500YQB. The NE-SOOYQB telephone
set is identical to the NE-SOOYR telephone
set, except it is supplied with a QDB 1 C all-number
dial.
3.18 NE-500PRN. The NE-SOOPRN telephone
set is identical to the NE-SOOYR telephone
set, except the message-waiting lamp is powered by
24 V de. Power is supplied on a separate pair of
leads, independent from the common pair of
conductors serving the transmission , dialing, and
ringing circuits.
3.19 NE-500NRN. The NE-SOONRN telephone
set is identical to the NE-SOOPRN telephone
set, except the rotary dial is replaced with an
NE-9SB apparatus blank and the set is wired for
use with manual telephone systems.
3.20 NE-501 CR, DR, ER, and FR. The
NE-SOlCR, DR, ER , and FR telephone sets
are identical to the NE-SOOCR, DR, ER, and FR
telephone sets respectively, except an NE-426A
electron tube is supplied to permit selective
ringing.
3.21 NE-502BR. The NE-502BR telephone set is
identical to the NE-SOODR telephone set,
except it provides an exclusion feature. The
exclusion switch assembly is activated by lifting
the left line switch plunger of the telephone set. To