ADS-B FDL-DB Dual Band Series
Installation Manual
Document No. 88552 Rev A
2-24
FFS Copyright © 2020 All rights reserved.
ARINC 429 Channels
PIN
SIGNAL
ELECTRICAL
I/O
DESCRIPTION
J1-46 429 IN 1A
ARINC 429
I
ARINC 429 Input Port 1A
J1-47 429 IN 1B
ARINC 429
I
ARINC 429 Input Port 1B
J1-6
429 IN 2A
ARINC 429
I
ARINC 429 Input Port 2A
J1-48 429 IN 2B
ARINC 429
I
ARINC 429 Input Port 2B
J1-17 429 IN 3A
ARINC 429
I
ARINC 429 Input Port 3A
J1-18 429 IN 3B
ARINC 429
I
ARINC 429 Input Port 3B
J1-39 429 IN 4A
ARINC 429
I
ARINC 429 Input Port 4A
J1-60 429 IN 4B
ARINC 429
I
ARINC 429 Input Port 4B
J1-10 429 OUT 1A
ARINC 429
O
ARINC 429 Output Port 1A
J1-11 429 OUT 1B
ARINC 429
O
ARINC 429 Output Port 1B
J1-58 429 OUT 2A
ARINC 429
O
ARINC 429 Output Port 2A
J1-59 429 OUT 2B
ARINC 429
O
ARINC 429 Output Port 2A
2.5.7 Discrete Inputs
Input pins are pre-configured active low.
Three discrete inputs are available to provide control inputs to the UAT. The discrete input
connection pins are as follows:
Discrete Inputs
PIN
SIGNAL
ELECTRICAL
I/O
DESCRIPTION
J1-33 AIR/GND
Open/Ground I
Air/Ground In (Squat Switch
– configurable)
J1-15 TRAF TEST
Open/Ground I
Traffic Test
J1-12 ANONYMOUS
MODE
Open/Ground I
Anonymous Mode