Acrosser AR-B8170 - Manual (Page 12)

AR-B8170 User Manual
2.3 Connector and Jumper Setting Table
2.3.2 LED1/LED2 2.3.3 JP1
FUNCTION
LED1 POWER LED
LED2 IDE LED
JUMPER FUNCTION
1-2 (default) RS232
3-4 RS422
5-6 RS485
2.3.4 JP3 2.3.5 CN7
JUMPER FUNCTION
1-2
RS422/485
TERMINATION
ENABLE
PIN FUNCTION
1 485D+ or 422TX+
2 485D- or 422TX-
3 422RX+
4 422RX-
2.3.6 COM2 2.3.7 JP2
PIN FUNCTION PIN FUNCTION
1 DCD 2 DSR
3 RXD 4 RTS
5 TXD 6 CTS
7 DTR 8 RI
9 GND 10 X
JUMPER FUNCTION
1-2(default) NORMAL
2-3 Clear CMOS
12