ECS BAT-I3, User Manual, Page: 10 / 76

Chapter 1
6
BAT-I3 USER MANUAL
I/O Ports
1. PS/2 Mouse (green)
Use the upper PS/2 port to connect a PS/2 mouse.
2. PS/2 Keyboard (purple)
Use the lower PS/2 port to connect a PS/2 keyboard.
3. COM Ports (blue)
Use the COM ports to connect the serial devices such as mice or fax/modems,
and it can support RS232/RS422/RS485.
Intel LAN Realtek LAN
COM RS232 Pin Define
Pin Define Pin Define
1 DCDN 6 DSRN
2 SINN 7 RTSN
3 SOUTN 8 CTSN
4 DTRN 9 RIN
5 GND
COM RS485 Pin Define
COM RS422 Pin Define
Pin Define Pin Define
1 RS422 TX(B) 6 N/A
2 RS422 TX(A) 7 N/A
3 RS422 RX(A) 8 N/A
4 RS422 RX(B) 9 N/A
5 N/A
Pin Define Pin Define
1 RS485 D-(B) 6 N/A
2 RS485 D+(A) 7 N/A
3 N/A 8 N/A
4 N/A 9 N/A
5 N/A