SYM76941VGGA Quick Installation Guide
6
、
COM1 RS232/422/485 setting:
Note: JSEL1/JSEL2 determine that COM1 belongs to RS232/422/485
Checklist:
Ø
SYM76941VGGA Mainboard*1pcs
Ø
Utility CD for SYM76941VGGA*1pcs
Ø
Installation Guide*1pcs
Ø
SATA Cable *2pcs;
Ø
COM cable and Print cable*6pcs
Pin
RS232
RS422
RS485
1
Carrier detect
TX-
TX -
2
Received data
TX+
TX+
3
Transmitted
RX+
NC
4
Data terminal
RX-
NC
5
GND
GND
GND
6
Data set ready
NC
NC
7
Request to send
NC
NC
8
Clear to send
NC
NC
9
Ring
NC
NC
10
NC
NC
NC
JSEL2
1~2
RS232
3~4
RS422
5~6
RS485
JSEL1
RS232
RS422
RS485
1~3
3~5
3~5
2~4
4~6
4~6
7~9
9~11
9~11
8~10
10~12
10~12
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