Power; Serial Data; Lighting - Garmin GMA 35 Installation Manual

4.2 Power

4.2.1 Aircraft Power
Pin Name
AIRCRAFT POWER
AIRCRAFT POWER
POWER GROUND
POWER GROUND

4.3 Serial Data

4.3.1 RS-232
Pin Name
RS-232 IN 1
RS-232 OUT 1
The RS-232 outputs conform to EIA Standard RS-232C with an output voltage swing of at least ±5V when
driving a standard RS-232 load.

4.4 Lighting

Pin Name
LIGHTING BUS IN HI
LIGHTING BUS IN LO
This input can be configured to control the brightness of the marker lamp and middle marker sense outputs.
190-00858-11
Rev. H
Table 4-3. Aircraft Power
Table 4-4. RS-232
Table 4-5. Lighting
Connector Pin
J3502 8
J3502 9
J3502 10
J3502 11
Connector Pin
J3502 17
J3502 18
Connector Pin
J3502 7
J3502 5
GMA 35/35c Installation Manual
I/O
In
In
--
--
I/O
In
Out
I/O
In
In
Page 4-5