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7.2 RS-422 Connection
7.2.1 RS-422 Pin Description
Pin NO.
Function
1
RXD OUT -
2
RXD OUT +
3
TXD OUT -
4
TXD OUT +
5
GND
6
RXD IN -
7
RXD IN +
8
TXD IN -
9
TXD IN +
7.2.2 Use RS-422 Connection
1. Hold the two sides of RS-422 connector and pull out in the direction
shown by the arrow in the figure below
2. Peel off a section of copper wire (AWG Nos.28 to18) and insert it into
the connector hole; then use flat screw driver to fix it