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

Page 15

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
	SW1	Connection
		Connection

	ON	RS-232
	ON	Console
		Console
	OFF	Data
	OFF	Comm
		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

Image 15

Contents NPort Express NPort Express Moxa Internet Services Table of Contents Introduction Product Specifications FeaturesOS Supported Package Checklist Front/Top/Rear/Bottom Panel Views Page Overview LED IndicatorsDIN Rail HousingWall Mount Page DIP Switch Settings Serial InstallationRS-232 Console Female DB25 Connector PinoutRS-232 Wiring Page Using a DB25 Connector Using the Optional Terminal Block RS-422 WiringUsing a DB25 Connector RS-485 WiringWire RS-485 Terminal Block Wiring Enabling a Termination Resistor Enabling the Built-In 120 Ω Terminator Enabling a User-Supplied Terminator Ethernet Installation Connecting to the Ethernet PortConnecting to a Hub or Switch Connecting to a PC Using the Power Adapter Power ConnectionImportant Notice Using Power Over SerialPower Status Check Page EMC Declaration of ConformityPage NPort Express Problem Report FormPage Return Procedure