Lynx NGT-9000s
Installation Manual
[J1 connector] (Continued)
PIN 28
Signal Name:
DISC_IN2 (Discrete Input No. 2)
Signal Function:
Audio Mute
Electrical Characteristics:
GND/Open (GND active)
Ground State
≤
3.5Vdc, Open State
≥
18Vdc
Connection:
24 AWG wire
Comments:
When active all traffic alerts are suppressed. Typically
connected to TAWS or other aircraft warning device with
a higher audio priority.
See paragraph A.2.9.
PIN 29
Signal Name:
DISC_IN3 (Discrete Input No. 3)
Signal Function:
WOW (Squat / Air Speed Monitor input)
Electrical Characteristics:
DCM selectable for GND active or Open active.
Ground State
≤
3.5Vdc, Open State
≥
18Vdc
Connection:
On/Off Switch
24 AWG wire
Comments:
See paragraph A.2.9.
PIN 30
Signal Name:
DISC_IN4 (Discrete Input No. 4)
Signal Function:
Reserved (TSAA Inhibit)
Electrical Characteristics:
GND/Open (GND active)
Ground State
≤
3.5Vdc, Open State
≥
18Vdc
Connection:
No Connection
Comments:
See paragraph A.2.9.
PIN 31
Signal Name:
DISC_IN5 (Discrete Input No. 5)
Signal Function:
Spare
Electrical Characteristics:
GND/Open (GND active)
Ground State
≤
3.5Vdc, Open State
≥
18Vdc
Connection:
No Connection
Comments:
See paragraph A.2.9.
PIN 32
Signal Name:
DISC_IN6 (Discrete Input No. 6)
Signal Function:
Spare
Electrical Characteristics:
GND/Open (GND active)
Ground State
≤
3.5Vdc, Open State
≥
18Vdc
Connection:
No Connection
Comments:
See paragraph A.2.9.
0040-17001-01
Appendix A
Page A-15
Revision A
January 15, 2015