G900X/G950 Installation and Maintenance Manual – Pinouts
Page A-79
190-00719-00
Revision D
A.9.2 Power
Pin Name
Connector
Pin
I/O
Aircraft Power 1
P691
35
In
Aircraft Power 2
P691
37 In
Power Ground
P691
20 --
Power Ground
P691
78 --
Data Link Remote Power Off
P691
77
In
The GDL 69(A) will accept input power from 14/28 VDC. The two aircraft power inputs (Aircraft Power
1, Aircraft Power 2) are intended to allow power to be provided by two different power busses.
Typically, both power input pins are connected on a single bus through a single circuit breaker. If power
is obtained from two different power busses, each leg should have its own circuit breaker.
The unit will turn off if this input is pulled above 3 volts. The unit will turn ON if the input is left floating
or grounded. The input presents a load of greater than 100 k
Ω
.
A.9.3 RS-232
Pin Name
Connector
Pin
I/O
RS-232 Out 2
P691
2
Out
RS-232 Out 3
P691
3 Out
Signal Ground
P691
4
--
RS-232 In 2
P691
5 In
RS-232 In 3
P691
6
In
RS-232 In 1
P691
7 In
RS-232 Out 1
P691
8 Out
Signal Ground
P691
11 --
A.9.4 Ethernet
Pin Name
Connector
Pin
I/O
Ethernet In 1 B
P691
22
In
Ethernet In 1 A
P691
23 In
Ethernet Out 1 B
P691
24
Out
Ethernet Out 1 A
P691
25 Out
Ethernet In 2 B
P691
26
In
Ethernet In 2 A
P691
27 In
Ethernet Out 2 B
P691
28 Out
Ethernet Out 2 A
P691
29
Out
Ethernet In 3 B
P691
30 In
Ethernet In 3 A
P691
31
In
Ethernet Out 3 B
P691
32 Out
Ethernet Out 3 A
P691
33
Out
Ethernet In 4 B
P691
56 In
Ethernet In 4 A
P691
57 In
Ethernet Out 4 B
P691
58
Out
Ethernet Out 4 A
P691
59 Out
All four ports are set up to a connection speed of 10 Mb/s.