ADS-B FDL-DB Dual Band Series
Installation Manual
Document No. 88552 Rev A
2-22
FFS Copyright © 2020 All rights reserved.
Interfaces (429 IN1, 429 IN2, 429 IN3, and 429 IN4) and two ARINC 429 Output Interfaces (429
OUT1 and 429 OUT2).
Refer to SECTION 5 for detailed Serial and ARINC port configuration information.
2.5.6.1 Serial Ports
– RS-232/RS-422
Six UART style Serial Ports are available on the FDL-DB Dual Band Series:
Serial Port 1
– RS-232 transmit and receive capability.
Serial Port 2
– RS-232 transmit and receive capability.
Serial Port 3
– RS-232 transmit and receive capability.
Serial Port 4
– RS-232 receive-only capability.
Serial Port 5
– RS-232 transmit and receive capability.
Serial Port 6*
– RS-232 or RS-422 bi-directional (transmit and receive) capability.
The Serial Ports can be software configured for various protocols and baud rates.
*Serial Port 6 can be optionally configured for RS-232 serial interface on pins J1-
8 and J1-50.
The UART style
Serial Interface
pin connections are as follows:
Serial Channels
PIN
SIGNAL
ELECTRICAL
I/O
DESCRIPTION
J1-4
232 RxD1
RS-232
I
Serial Port 1 RS-232 Data In
J1-5
232 TxD1
RS-232
O
Serial Port 1 RS-232 Data Out
J1-3
232 RxD2
RS-232
I
Serial Port 2 RS-232 Data In
J1-45 232 TxD2
RS-232
O
Serial Port 2 RS-232 Data Out
J1-29
232 RxD3
RS-232
I
Serial Port 3 RS-232 Data In
J1-30
232 TxD3
RS-232
O
Serial Port 3 RS-232 Data Out
J1-25
SGND2
Serial Ground Gnd Serial Ground
J1-31
232 RxD4
RS-232
I
Serial Port 4 RS-232 Data In
J1-32
232 RxD5
RS-232
I
Serial Port 5 RS-232 Data In
J1-54
232 TxD5
RS-232
O
Serial Port 5 RS-232 Data Out
J1-9
SGND4
Serial Ground Gnd Serial Ground
J1-7
RxD6+
RS-422
I
Serial Port 6 Data IN+
J1-8*
RxD6-**
RS-422/RS-
232
I
Serial Port 6 Data In-
J1-49
TxD6+
RS-422
I
Serial Port 6 Data out+