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3 connector and jumper setting table, Ar-b8170 user manual – Acrosser AR-B8170 User Manual

Page 12

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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

















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