Ems-Ehl Connector Mapping; General Purpose I/O Connector (Gpio); Serial Port 1/2 Connector (Com1/2) - Avalue Technology EMS-EHL Quick Reference Manual

2.1 EMS-EHL connector mapping

2.1.1

General purpose I/O connector (GPIO)

2.1.2

Serial Port 1/2 connector (COM1/2)

In RS-232 Mode
Signal
NDCD#
NRXD
NTXD
NDTR#
GND
PIN PIN Signal
1 6 NDSR#
2 7 NRTS#
3 8 NCTS#
4 9 NRI#
5
Quick Reference Guide
Signal PIN PIN
DIO_GP20 1
DIO_GP21 2
DIO_GP22 3
DIO_GP23 4
GND 5
In RS-422 Mode
Signal PIN PIN
TxD1- 1
TxD1+ 2
RxD1+ 3
RxD1- 4
GND 5
In RS-485 Mode
Signal PIN PIN
DATA1- 1
DATA1+ 2
NC 3
NC 4
GND 5
EMS-EHL Quick Reference Guide 23
Signal
6 DIO_GP10
7 DIO_GP11
8 DIO_GP12
9 DIO_GP13
Signal
6 NC
7 NC
8 NC
9 NC
Signal
6 NC
7 NC
8 NC
9 NC