T-45C TS, ADV & IUT ENG-21
CNI System
3.
Aircraft interfaces--COMM control panel/Intercom
System (ICS)
a.
ICS (COMM Amplifier)
Sg 2, fr 11
(1) Power
Fig 11: Communica-
tions Amplifier Block
(a) 28 VDC generator bus and 28 VDC
Diagram
essential services bus (wired in
parallel): operating
(b) 28 VDC generator bus: lighting via
INTERIOR LIGHTS DIMMING panel
switch and CONSOLE dimmer
(c) 28 VDC essential bus: lighting via
emergency flood lights
(2) Receives audio from radio receivers
(3) Receives audio from ICS
(4) Receives VOR/ILS, TACAN, and marker
beacon identification audio from respective
receivers
(5) Receives sidetone from either cockpit
microphone and integrates it with radio RTs
as selected
(6) Receives inputs from the CWS to generate
warning/caution tones
b.
Outputs selected audio to headset and allows
for volume control
C.
IFF system (transponder): The IFF transponder provides
for aircraft identification and air traffic control functions. It
Sg 2, fr 12
is controlled remotely by the IFF control panel located in
Fig 4: IFF System--
the fwd cockpit
Major Components
1.
IFF control panel: controls operation of IFF
transponder
Page 21-22
(9-98) Original
Previous Page
