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ADS-B FDL-978 Series and
Lite Series Installation Manual
Document No. 87343 Rev G
FFS Copyright © 2016 All rights reserved.
2-9
Refer to Section 3.3.2 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-978 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 5 is not available on the 87098-00 and 87098-10 Transceivers.
**Serial Port 6 can be optionally configured for RS-232 serial interface on pins J1-
8 and J1-38.
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
J1-33 232 TxD2
RS-232
O
Serial Port 2 RS-232 Data Out
J1-23
232 RxD3
RS-232
I
Serial Port 3 RS-232 Data In
J1-24
232 TxD3
RS-232
O
Serial Port 3 RS-232 Data Out
J1-19
SGND2
Serial Ground Gnd Serial Ground
J1-25
232 RxD4
RS-232
I
Serial Port 4 RS-232 Data In
J1-26 * 232 RxD5
RS-232
I
Serial Port 5 RS-232 Data In
J1-42 * 232 TxD5
RS-232
O
Serial Port 5 RS-232 Data Out
J1-9
SGND4
Serial Ground Gnd Serial Ground
J1-7
TxD6+
RS-422
O
Serial Port 6 Data Out+
J1-8** TxD6-
RS-422/RS-
232
O
Serial Port 6 Data Out-
J1-37
RxD6+
RS-422
I
Serial Port 6 Data In+
J1-38** RxD6-
RS-422/RS-
232
I
Serial Port 6 Data In-