G900X/G950 Installation and Maintenance Manual – Pinouts
Page A-83
190-00719-00
Revision D
Connector P400, continued
Pin Pin
Name
I/O
36
ETHERNET OUT A
Out
37
ETHERNET OUT B
Out
38
ARINC 429 IN 1 A
In
39
ARINC 429 IN 1 B
In
40 RESERVED
--
41 RESERVED
--
42 RS-232
OUT
Out
43 RS-232
IN
In
44
RADAR REMOTE POWER OFF
In
A.11.2 Aircraft
Power
Pin Name
Connector
Pin
I/O
AIRCRAFT POWER 1
P400
7
In
AIRCRAFT POWER 1
P400
9
In
AIRCRAFT POWER 2
P400
10
In
AIRCRAFT POWER 2
P400
12
In
POWER GROUND
P400
13
--
POWER GROUND
P400
14
--
POWER GROUND
P400
15
--
Pins 7 and 9 of P400 are internally connected to form AIRCRAFT POWER 1. Pins 10 and 12 of P400
are internally connected to form AIRCRAFT POWER 2. AIRCRAFT POWER 1 and AIRCRAFT
POWER 2 are “diode ORed” to provide power redundancy.
A.11.3 Remote
On/Off
Pin Name
Connector
Pin
I/O
RADAR REMOTE POWER OFF
P400
44
In
For G900X/G950 installations RADAR REMOTE POWER OFF must be grounded to pin 15 of P400
(POWER GROUND).
