Parker PHD Series - DB9 Pinout Reference

41
Serial Ethernet Recovery Flexcan (SERF) Development Board
8.2.3. DB9 Pinout Reference
Both the CAN and RS232 connectors use standard DB9 connectors for ease of
use. Most of the common adapters for either RS232 or CAN that are required to
interface with a PC offer this connection type.
The following table shows the pin outs for each of the DB9 connectors.
CAN
RS232
Pin
Description
Pin
Description
1
No connect
1
No connect
2
CAN L
2
TX (transmit)
3
No connect
3
RX (receive)
4
No connect
4
No connect
5
Shield
5
GND (signal ground)
6
No connect
6
No connect
7
CAN H
7
No connect
8
No connect
8
No connect
9
No Connect
9
No connect