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AR-B9012-G Manual
220010035-G
1.7 THE COM PORT ADDRESS SELECTION (SW1)
1.8 THE LED INDICATION OF TRANSMISSION
STATE
TX
TX
RX
RX
PORT A
PORT B
LED1
LED2
LED3
LED4
MSB LSB
SW1(3,8)
SW1(4,9) SW1(5,10)
COM ADDRESS
OFF
OFF
OFF
(COM1) 3F8H
OFF
OFF
ON
(COM2) 2F8H
OFF
ON
OFF
(COM3) 3E8H
OFF
ON
ON
(COM4) 2E8H
ON
OFF
OFF
(COM5) 3E0H
ON
OFF
ON
(COM6) 2E0H
ON
ON
OFF
(COM7) 2D0H
ON
ON
ON
(COM8) 2C0H
SW1 (1,6)
SW1 (2,7)
Function
OFF
OFF
RS485
OFF
ON
---
ON
OFF
---
ON
ON
RS422
