G900X/G950 Installation and Maintenance Manual – Pinouts
Page A-5
190-00719-00
Revision D
A.1.2.2 Remote Power
Pin Name
Connector
Pin
I/O
UNIT 5 REMOTE POWER OFF
P10001
48
Out
UNIT 4 REMOTE POWER OFF
P10001
49
Out
UNIT 3 REMOTE POWER OFF
P10001
50
Out
UNIT 2 REMOTE POWER OFF
P10001
51
Out
UNIT 1 REMOTE POWER OFF
P10001
52
Out
Used to control power of a remote sub-system. 28 Volts DC turns the remote unit off. Ground/Open
turns the remote unit on.
A.1.3 Configuration
A.1.3.1 CDU System ID Program
CDU SYSTEM ID
PROGRAM 1
(P10001, Pin 55)
CDU SYSTEM ID
PROGRAM 2
(P10001, Pin 56)
CDU SYSTEM ID
PROGRAM 3
(P10001, Pin 57)
DISPLAY
Open Open Ground MFD
Open Open Open PFD1
Ground Open Open PFD2
These inputs determine if the GDU 1040 is a MFD or PFD.
A.1.3.2 Configuration Module
Pin Name
Connector
Pin
I/O
CONFIG MODULE GROUND
P10001
1
Out
CONFIG MODULE DATA
P10001
22
I/O
CONFIG MODULE POWER OUT
P10001
23
Out
CONFIG MODULE CLOCK
P10001
43
Out
A.1.3.3 Reversionary Mode
Pin Name
Connector
Pin
I/O
REVERSIONARY MODE SELECT 1
P10001
58
In
REVERSIONARY MODE SELECT 2
P10001
15
In
These inputs determine whether to place the system in reversionary mode.
A.1.3.4 Demo Mode
Pin Name
Connector
Pin
I/O
DEMO MODE SELECT
P10001
54
In
This is an active low input that places the unit in demo mode. This input is not to be used in aircraft
installations.
