Interfaces and Connectors
EBX-41 Reference Manual
35
S
ERIAL
P
ORT
C
ONNECTORS
The pinouts of the DB9M connectors apply to the serial connectors on the VersaLogic breakout
board VL-CBR-5013.
These connectors use IEC 61000-4-2-rated TVS components to help protect against ESD
damage.
Table 15: COM0-1 Pinout
– VL-CBR-5013 Connector J2
COM0
COM1
Top DB9
J2 Pin
Bottom DB9
J2 Pin
RS-232
RS-422
1
1
—
—
2
2
RXD*
RxD-
3
3
TXD*
TxD-
4
4
—
—
5
5
Ground
Ground
6
6
—
—
7
7
RTS
TxD+
8
8
CTS
RxD+
9
9
—
—
Table 16: COM2-3 Pinout
– VL-CBR-5013 Connectors J5-6
COM2
COM3
J5 Pin
J6 Pin
RS-232
RS-422
1
1
Ground
Ground
2
2
RXD
RxD-
3
3
CTS
RxD+
4
4
TXD
TxD-
5
5
RTS
TxD+