Garmin G3X User Manual

190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 23-43
23.7 GMC 305 (AFCS Mode Controller)
23.7.1 J3051 Connector
Figure 23-18 J3051 on GMC 305, as viewed looking at connector on unit
23.7.2 Power
This section covers the power input requirements. The GMC 305 is compatible with 14V and 28V systems.
AIRCRAFT POWER 1 and AIRCRAFT POWER 2 are “diode ORed” to provide power redundancy.
Pin Pin Name I/O
1 RS-232 OUT 1 Out
2 RS-232 IN 1 In
3 RS-232 OUT 2 Out
4 RS-232 IN 2 In
5 POWER GROUND --
6 SIGNAL GROUND --
7 AIRCRAFT POWER 1 In
8 SIGNAL GROUND --
9 AIRCRAFT POWER 2 In
10 RESERVED --
11 LIGHTING BUS HI In
12 LIGHTING BUS LO In
13 RESERVED --
14 RESERVED --
15 POWER GROUND --
Pin Name Connector Pin I/O
AIRCRAFT POWER 1 J3051 7 In
AIRCRAFT POWER 2 J3051 9 In
POWER GROUND J3051 5 --
POWER GROUND J3051 15 --

Garmin G3X Specifications

General

Display Type	LCD
Touchscreen	Yes
Power Input	10-32 VDC
Connectivity	Bluetooth, Wi-Fi (optional)
Interfaces	RS-232
GPS	Internal GPS/WAAS receiver
AHRS	Integrated AHRS
Air Data Computer	Integrated Air Data Computer
Autopilot Compatibility	Compatible with Garmin autopilots
Operating Temperature	-20°C to +55°C
Sunlight Readability	Sunlight readable display
Screen Size	10.6 inches