Installation guide

4
• 5V power jack (optional): Connect your
power adapter here (not included).
Note: Most serial devices do not require
additional power through the serial port.
Refer to your serial device's manual for
more information.
DIP Switch
Auto RS-422/485 (1-ON, 2-OFF)
This is default setting. The COM port will
automatically detect device status and control
the data transmitting or receiving. See Figure 4a.
RS-422 or 4-Wire RS-485 (1-OFF, 2-ON)
Full duplex mode. See Figure 4b.
Auto RS-422/485 RS-422 or 4-Wire RS-485
Figure 4a Figure 4b