G900X/G950 Installation and Maintenance Manual – 3
rd
Party Interfaces
Page 14-1
190-00719-00
Revision D
14
3rd Party Interfaces
14.1 Discretes
G900X/G950 annunciations are activated based on a series of discrete triggers. Discrete switches are
only needed if associated annunciations are desired. Reference the following tables for a detailed
description of the annunciations.
Table 14-1. G900X/G950 Annunciation Triggers
Trigger
Reference
Number
Trigger Name
Trigger
Type
Active State
(refer to
Table 14-2
for
description)
Configuration
Category
G900X Input (see
interconnects for
additional details)
1
Air Conditioner
Discrete
High
Common
GIA2 DISCRETE IN 17,
2P604 PIN 16
2
Alt Air Door
Discrete
Low
Common
GIA1 DISCRETE IN* 2,
1P604 PIN 8
3
Cabin Pressure
Discrete
Low
Common
GIA2 DISCRETE IN* 3,
2P604 PIN 9
4
Deice On
Discrete
High
Common
GIA2 DISCRETE IN 16,
2P604 PIN 15
5
Door Seal Pump
Sense
Discrete
High
Common
GIA1 DISCRETE IN
19A, 1P605 PIN 12
6
Door/Canopy Open* Discrete
Low
Common
GIA1 DISCRETE IN* 6,
1P604 PIN 14
7
Fuel Pump On/Off
Discrete
High
Common
GIA1 DISCRETE IN 15,
1P604 PIN 10
8
Fuel Select Left
Discrete
Low
Common
GEA DISCRETE IN*
3A, P702 PIN 62
9
Fuel Select Right
Discrete
Low
Common
GEA DISCRETE IN*
2A, P702 PIN 61
10
Left Fuel Imbalance Discrete
Active when
trigger 34
minus trigger
33 is greater
than 10
gallons
Common
N/A
11
Right Fuel
Imbalance
Discrete
Active when
trigger 33
minus trigger
34 is greater
than 10
gallons
Common
N/A
12
Hydraulic Pump
Discrete
High
Common
GIA1 DISCRETE IN
18A, 1P605 PIN 3
13
Landing Light
Discrete
High
Common
GIA1 DISCRETE IN 16,
1P604 PIN 15
