DM&P Group DMP EB-3360-852, User Manual, Page: 39 / 48

EBOX-336x Series User Manual
DMP Electronics Inc. 39
For CANbus version:
J12 (COM1), J13 (COM2): RS-232/ RS-485/ RS-422, 9-pin D-Sub connector
Pin # Signal Name Pin # Signal Name
1 DCD/ RS-485- / 422TX- 2 RXD/ RS-485+ / 422TX+
3 TXD/ 422RX+ 4 DTR1/ 422RX-
5 GND 6 DSR
7 RTS 8 CTS
9 RI - - - -
J12 (COM1), J13 (COM2): GPIO P4 and P5, 9-pin D-Sub connector
Pin # Signal Name Pin # Signal Name
1 PORT 40/ PORT 50 2 PORT 44/ PORT 54
3 PORT 41/ PORT 51 4 PORT 45/ PORT 55
5 GND 6 PORT 46/ PORT 56
7 PORT 42/ PORT 52 8 PORT 47/ PORT 57
9 PORT 43/ PORT 53 - - - -
J14 (COM3): RS-232, 9pin D-Sub connector
Pin # Signal Name Pin # Signal Name
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI - - - -
J15 (COM4): CANbus, 9pin D-sub connector
Pin # Signal Name Pin # Signal Name
1 - - 2 CANL
3 CAN_GND 4 - -
5 - - 6 - -
7 CANH 8 - -
9 - - - - - -