190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 23-42
23.6.4 RS-232 CHANNEL
The RS-232 outputs conform to EIA Standard RS-232C with an output voltage swing of at least ±5 V
when driving a standard RS-232 load. This channel is not used in typical G3X installations.
23.6.5 Lighting
The GI 260 display brightness can track either a 28 VDC or 14 VDC lighting bus using these inputs. If left
unconnected, unit will use a photocell to adjust lighting.
Pin Name Wire Color I/O
RS-232 RX YELLOW IN
RS-232 TX BROWN OUT
Pin Name Wire Color I/O
DC LIGHTING BUS GRAY IN
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