Technical data
VHF/AM RADIO FSG 2T
3 Installation
32 FAV_D10048 June 2014
+13.8 Vdc
from Dimmer or Panel Light Switch
Aircraft Speaker OUT
Headphone AF OUT
+12 Vdc switched, OUT
Power GND
Power GND
A/C Power +11 … 16 Vdc
A/C Power +11 … 16 Vdc
LED Backlight +12 Vdc IN
PTT Key IN (against GND)
RX Annunciator OUT
Intercom Control IN
AF External IN (Optional)
Standard MIC 2 IN
Microphone GND
Standard MIC 1 IN
FSG 2T
Antenna Coax
RG-58 C/U
COM Antenna
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
COM Antenna
+
-
AWG 18
1 mm² red
AWG 18
1 mm² blue
Aircraft Power
+11 … 16 Vdc
INTERCOM
Switch
AF-External IN
e.g. NAV, COM2, MKR
Alternative stick
mounted PTT Key(s)
1
2
3
Microphone
Jack
JJ-033
A/N E08640
1
2
3
Microphone Plug
PJ-068, A/N E08942
Headphone 1
Standard MIC 2
with PTT Key
1
2
A/N E08639
Headphone
Jack
JJ-034
1
2
1
2
3
Microphone
Jack
JJ-033
A/N E08640
1
2
3
Headphone Plug
PJ-055, A/N E08941
Microphone Plug
PJ-068, A/N E08942
Headphone 2
Audio OUT to Audio Panel
if required
Loudspeaker
4 to
OFF
ON
470 R
470 R
#20 AWG
#20 AWG
Standard
DB-15 female
connector
UG-88 C/U
Standard MIC 1
with PTT Key
1
2
A/N E08639
Headphone
Jack
JJ-034
1
2
Headphone Plug
PJ-055, A/N E08941
1
8
15
9
Standard DB-15 male
connector
OPTION AF-External
refer to § 3.5.5
NOTES:
DO NOT wire other pins than noted! Connections which are not required for your
installation may be left unterminated!
All wires #22 AWG (0.3 - 0.4 mm²) unless otherwise noted
All power Grounds are airframe grounds
Intercom operation requires a microphone which provides audio OUT with the PTT key
de-energized (not keyed)
Intercom operation requires a selector switch, double pole, double throw
Power bus circuit breakers are to be mounted in the A/C breaker panel or instrument
panel such that they will be accessible in flight and safe from physical damage.
For MIC setting, refer to § 3.5.2.1 and § 4.2
Wiring without Intercom: connect A/C speaker direct to pins 11 and 15.
If more than one AF source, isolation resistors 470 Ohm shall be installed.
Fuse 3.15-Amp quick acting, or circuit breaker 3 Amp.
Fig. 3 - 7 FSG 2T with INTERCOM
Hook-up Diagram for two seat application, using
two MIC inputs, for
two separate (even different) Amplified / Standard Carbon
Microphones