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Page Title:
Description of Mounting MT-3802/ARC |
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 TM 11-5895-555-24
NOTE
1-5. C-8157/ARC Technical Characteristics
Control Indicator C8157/ARC is used
Modes of operation: PLAIN, CIPHER and Re-
with, but not part of Radio Set AN/
transmission (RE-X).
ARC-54.
Power Requirements: +28 volts dc at 0.5 amps.
Dimensions:
1-7. Description of Mounting MT-3802/ARC
Height.---2 7/16 inches.
The MT3802/ARC (mounting) consists of an
Width----5 inches.
upper and lower plate separated by four isolator
Depth ----2 7/8 inches.
mounts. The two (2) plates are electrically con-
nected through grounding straps. The TSEC/KY
28 Cipher equipment is secured to the upper plate
1-6. Description of Control Indicator
of the mount by the rear retainer assembly and
C-8157/ARC
the front retainer assembly. Drilled holes in the
lower plate allow the mount to be secured in an
The Control indicator is a separately housed unit
aircraft or radio console.
containing one. (1) circuit breaker and three (3)
switches, three (3) indicator lamps and two (2)
1-8. Description of Additional Equipment
panel lamps. All four (4) switches and all of the
Required
lamps are wired to receptacle J1 on the rear of
the control indicator which provides for plain,
a. Interconnecting Cabling. A ten-wire electri-
or cipher transmission and a remote cipher lamp.
cal harness and cabling terminated at one end
The two (2) panel lights are used to illuminate
by an MS-3126F-12-10S connector is needed for
the front panel. The control indicator is flush
interconnection of the control indicator with the
mounted by means of Dzus fasteners located on
TSEC/KY28 Cipher equipment and the aircraft
the side of the panel mounting plate. The unit
power and ground bus.
is capable of operating from a power source of
b. Remote Cipher Light. This light can be in-
27.5 0.5 volts dc which is normally obtained
stalled in the rear seat of the aircraft to be used
from the main power source of the aircraft.
by an observer or radio operator, and is optional.
1-2
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