User manual

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RS-422 Pin Assignment
The pin assignment scheme for a 4-pin RS-422 is given below.
PIN 1 : R- PIN 2 : R+ PIN 3 : T- PIN 4 : T+
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RS-485 Pin Assignment
The pin assignment scheme for a 4-pin RS-485 is given below.
PIN 1 : X PIN 2 : X PIN 3 : D- PIN 4 : D+
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RS-422 Wiring Diagram
Serial Device EX-9486C-W Converter
R- 3 T-
R+ 4 T+
T- 1 R-
T+ 2 R+
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RS-485 Wiring Diagram
Serial Device EX-9486C-W Converter
D- 1 D-
D+ 2 D+
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