Arinc 429 Ports; Discrete Inputs - FreeFlight ADS-B FDL-978 Series Installation Manual

PIN SIGNAL
J1-9 SGND4
J1-7 TxD6+
J1-8** TxD6-
J1-37 RxD6+
J1-38** RxD6-

2.5.6.2 ARINC 429 Ports

Two ARINC 429 Input Serial Interfaces are available on the FDL-978 Series. The ARINC 429
Input channels are 429 IN 1 and 429 IN 2. The FDL-978 Series has one ARINC 429 Output
which is 429 OUT 1. The ARINC channels can be software configured for various label
interfaces and as either high-speed or low-speed.
Refer to Section 3.3.2 for additional detailed information about serial and ARINC
port configuration.
The ARINC 429 Serial Interface pin connections are as follows:
PIN SIGNAL
J1-35 429 IN 1A
J1-34 429 IN 1B
J1-6 429 IN 2A
J1-36 429 IN 2B
J1-10 429 OUT 1A
J1-11 429 OUT 1B

2.5.7 Discrete Inputs

Input pins are pre-configured active low. See SECTION 10 for a wiring diagram
reference
Three discrete inputs are available to provide control inputs to the UAT. The discrete input
connection pins are as follows:
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Serial Channels
ELECTRICAL I/O DESCRIPTION
Serial Ground Gnd Serial Ground
RS-422 O Serial Port 6 Data Out+
RS-422/RS-
232 O Serial Port 6 Data Out-
RS-422 I Serial Port 6 Data In+
RS-422/RS-
232
I Serial Port 6 Data In-
ARINC 429 Channels
ELECTRICAL I/O DESCRIPTION
ARINC 429 I ARINC 429 Input Port 1A
ARINC 429 I ARINC 429 Input Port 1B
ARINC 429 I ARINC 429 Input Port 2A
ARINC 429 I ARINC 429 Input Port 2B
ARINC 429 O ARINC 429 Output Port 1A
ARINC 429 O ARINC 429 Output Port 1B
ADS-B FDL-978 Series and
Lite Series Installation Manual
Document No. 87343 Rev F
2-9