hose for the dust removal system from the duct
panel, behind the drum. The terminal panel for
input and output connections is on the right side
on the transceiver to the blower and canister
of the panel assembly. An output jack for con-
assembly which is clamped to the bottom shelf
and right-hand leg brace of the table (fig. 2). A
necting an external speaker in the voice commu-
nication (talk-back) circuit is located on the left
metal drawer is provided for storing a supply of
side of the panel assembly on all transceiver units
recording paper.
d. Photographic Equipment (fig. 4). Photo-
except Facsimile Transceiver TT-1/TXC-1 (refer
to note in g below). The transceiver is provided
graphic Equipment PH-549/TXC-1 is supplied
with a metal base cover, which is attached to the
with Facsimile Transceiver AN/TXC-1*. This
chassis with machine screws and which has four
equipment consists of one thermometer, four
metal supporting feet. Metal covers that protect
Bottles PH-22, and four trays.
the motor and clutch assembly and the rear, side,
e. Cords and Leads. The following cords and
leads (fig. 5) are furnished with Facsimile Set
and top of the transceiver are held in place with
slide fasteners. A canvas cover is provided to
AN/TXC-1(*):
protect the transceiver from dust when it is not in
(1) Cord CD-1018, a 10-foot, two-conductor,
use. Facsimile Transceiver TT-1F/TXC-1 has
shielded, rubber-jacketed cord, term-
an exhaust duct that runs from the vicinity of the
nated at each end with Plug PL-55. It
stylus to the right rear of the chassis.
is used in making input connections to
b. Rectifer Power Unit PP-86(*)/TXC-1. The
the transceiver.
(2) Cord CD-1019 an 8-foot, three-conductor,
rectifier power unit (fig. 3) is constructed on a
metal chassis 12 inches long by 10 inches wide by
shielded, rubber-jacketed cord, termi-
2 inches high (some chassis are 3 inches high).
nated at each end with Plug PL-68. It
All components are mounted on top of the chassis.
is used in making output connections
The chassis is shielded and protected by a metal
from the transceiver.
ventilated top cover and by a bottom cover plate
(3) A 5-foot test lead terminated on one
with four metal feet. Two cables emerge from
end with a two-prong plug that fits the
an opening in the top cover; one is a power cable
1V and 6V jacks on the coupling coil
for connecting to the ac line, and the other is a
alligator clips. It is used in making
power cable that is terminated in a Jones plug
input and output connections to the
attached to the transceiver. The rectifier power
unit is provided with a canvas cover for protection
transceiver when a high-level signal is
during shipping. Rectifier Power Unit PP-86E/
required for certain types of wire lines.
TXC-1 has a receptacle (J10) with a ground stud
(4) A 6-inch test lead a two-conductor cord
for the dust removal blower power cord. The
terminated at one end with PL-55, and
fuse holder which housed the spare fuse in all
at the other end with two alligator clips.
former models of the rectifier power unit now is
It is used in connecting a wire line into
used for the 3 amp 3AG dust removal blower
the RADIO RCVR jack during reception
fuse (XF4, fig. 156).
of high-level signals.
Caution: Do not leave the cover on the power
unit during operation or components will overheat.
c. Table MT-252(*)/TXC-1. The collapsible
to the transceiver through a telephone receiver,
metal table (fig. 1) furnished with each facsimile
and is supplied with a phosphor-bronze clamp for
set is 32 inches high, 22 inches deep, and 37 inches
holding it in place on the telephone handset. The
long. It can be disassembled by removing the
primary impedance is 600 ohms and matches the
metal screws in the legs and side braces. The
output of the transceiver. The full 10-ohm
table has a masonite top on which Facsimile
secondary provides an open-circuit output of 6
Transceiver TT-1(*)/TXC-1 is mounted. A bot-
volts; the secondary also has a 2-ohm tap that
tom shelf supports Rectifier Power Unit PP-86(*)/
provides an open-circuit voltage of 1 volt. The
TXC-1 and auxiliary equipments Converter
secondary terminates in two female type plugs for
CV-2(*)/TX and Exciter Unit 0-5(*)/FR (when
selection of the desired level. This unit is not
used). A hole in the top of the table permits
used with Facsimile Transceiver TT-1F/TXC-1.
easy connection of the power cable plug to the
g. Loudspeaker LS-11 (fig. 5). This loud-
transceiver. It also permits passage of the flexible
speaker is used in the talk-back circuit of Facsimile
