Interfaces and Connectors
EBX-37 Reference Manual
42
S
ERIAL
P
ORT
C
ONNECTORS
The pinouts of the DB-9M connectors apply to the serial connectors on the VersaLogic breakout
board VL-CBR-5009.
These connectors are protected against ESD damage.
Table 14: COM1-2 Pinout – VL-CBR-5009 Connector J3
COM1
COM2
Top DB-9
J3 Pin
Bottom DB-9
J3 Pin
RS-232
1
1
DCD
2
2
RXD*
3
3
TXD*
4
4
DTR
5
5
Ground
6
6
DSR
7
7
RTS
8
8
CTS
9
9
RI
Table 15: COM3-4 Pinout – VL-CBR-5009 Connectors J5-6
COM3
COM4
J6 Pin
J5 Pin
RS-232
RS-422
RS-485
1
1
Ground
Ground
Ground
2
2
RXD
RxD-
RxD-
3
3
CTS
RxD+
RxD+
4
4
TXD
TxD-
TxD-
5
5
RTS
TxD+
TxD+