NPort Express Series

1-port entry-level RS-232/422/485 serial device servers
  •  3-in-1 serial port: RS-232, RS-422, or RS-485
  •  Variety of operation modes, including TCP Server, TCP Client, UDP, Ethernet Modem, and Pair Connection
  •  Real COM/TTY drivers for Windows and Linux
  •  2-wire RS-485 with Automatic Data Direction Control (ADDC)
Series Description

Introduction

The NPort® DE-211 and DE-311 are 1-port serial device servers that support RS-232, RS-422, and 2-wire RS-485. The DE-211 supports 10 Mbps Ethernet connections and has a DB25 female connector for the serial port. The DE-311 supports 10/100 Mbps Ethernet connections and has a DB9 female connector for the serial port. Both device servers are ideal for applications that involve information display boards, PLCs, flow meters, gas meters, CNC machines, and biometric identification card readers.

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PRODUCTS IN THIS SERIES

1 port device server, 10M Ethernet, RS-232/422/485, DB25 female, 110V or 230V

Please call us for stock information.

£115.00

Available on back-order

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1 port device server, 10/100M Ethernet, RS-232/422/485, DB9 female, 110V or 230V

4 products currently in stock.

£120.00

4 in stock (can be backordered)

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There are no listed accessories for this product

If you are looking for accessories for this product, please contact us and our sales team will advise you on what products work really well when using any product from the NPort Express Series

Need Support?

We understand that it can be difficult to find the right products for your needs. That’s why our dedicated customer support team is available to assist you in any way possible. Whether you need help selecting the best product for your application or more information on a particular device, our knowledgeable staff is here to provide you with the answers you need. Contact us today for more information about how we can help you get the products and support you need!

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Manuals & Datasheets

Supported Documents & Firmware Last Updated: April 1, 2025

Support Documents

NAME TYPE VERSION RELEASE DATE
Datasheet for NPort Express Series

824.5 KB

Datasheet v1.4 Apr 23, 2022
Manual for NPort Express Series (DE-311 HIG)

2.6 MB

Manual v5.0 Oct 02, 2017