190-01717-B1
G500/G600 TXi Part 23 AML STC Maintenance Manual
Rev. 1
Page 4-7
4.2.2
GCU 485
The GCU 485 has a single connector:
•
J4851/P4851 - 15-pin male contact HD D-Sub
Figure 4-3 GCU 485 Connector
J4851/P4851 Connector
Pin
Function
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
--