Moxa Technologies DE-211 manual Serial Installation, DIP Switch Settings

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Serial Installation

We discuss the following topics:

¾DIP Switch Settings

¾DB25 Female Connector Pinout

¾RS-232 Wiring

¾RS-422 Wiring

¾4-Wire RS-485 Wiring

•Using a DB25 connector

•Using the optional Terminal Block

¾Enabling a Termination Resistor

•Enabling the Built-In 120 Ω Terminator

•Enabling a User-Supplied Terminator

DIP Switch Settings

The top panel of NPort Express contains the following table, which describes how to set up the serial port using the four DIP switches located on NPort

Express’s rear panel.

SW1	Serial
	Connection
ON	RS-232
	Console
OFF	Data
	Comm

SW2	SW3	SW4	Serial Interface Mode
OFF	OFF	OFF	RS-232
OFF	ON	ON	RS-422
ON	OFF	ON	4-Wire RS-485 by RTS
ON	ON	ON	4-Wire RS-485 ADDC
ON	OFF	OFF	2-Wire RS-485 by RTS
ON	ON	OFF	2-Wire RS-485 ADDC