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NPort Express Series

1-port entry-level RS-232/422/485 serial device servers

moxa-nport-express-series-image-1-(1).jpg | Moxa
moxa-nport-express-series-image-2-(1).jpg | Moxa
moxa-nport-express-series-image-3-(1).jpg | Moxa

Features and Benefits

  • 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 patented Automatic Data Direction Control (ADDC®)

Certifications

  • moxa-ul-listed-certification-logo-image.png | Moxa
  • moxa-ce-certification-logo-image.png | Moxa
  • moxa-fcc-certification-logo-image.png | Moxa
 
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Introduction

The NPort® DE-211 and DE-311 are 1-port serial device servers that support RS-232, RS-422, 4-wire RS-485, 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.

  • No. of Ports

    1

  • Magnetic Isolation Protection

    1.5 kV (built-in)

  • 10/100BaseT(X) Ports (RJ45 connector)

    DE-311: Auto MDI/MDI-X connection

  • 10BaseT(X) Ports, RJ45 Connector

    DE-211: Auto MDI/MDI-X connection

  • Configuration Options

    Windows Utility, Telnet Console, Serial Console

  • Management

    ARP, BOOTP, DHCP Client, IPv4, TCP/IP, Telnet, UDP, ICMP

  • Windows Real COM Drivers

    Windows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7/8/8.1/10 (x86/x64), Windows 2008 R2/2012/2012 R2/2016/2019 (x64), Windows Embedded CE 5.0/6.0, Windows XP Embedded

  • Linux Real TTY Drivers

    Kernel versions: 2.4.x, 2.6.x, 3.x, 4.x, and 5.x

  • Fixed TTY Drivers

    SCO UNIX, SCO OpenServer, UnixWare 7, QNX 4.25, QNX 6, Solaris 10, FreeBSD, AIX 5.x, HP-UX 11i, Mac OS X

  • Android API

    Android 3.1.x and later

  • Connector

    DE-211: DB25 female
    DE-311: DB9 female

  • Serial Standards

    RS-232, RS-422, RS-485

  • No. of Ports

    1

  • Baudrate

    Supports standard baudrates (unit=bps): 50, 75, 110, 134, 150, 300, 600, 1200, 1800, 2400, 4800, 7200, 9600, 19200, 38400, 57600, 115200, 230.4k

  • Data Bits

    5, 6, 7, 8

  • Stop Bits

    1, 1.5, 2

  • Parity

    None, Even, Odd, Space, Mark

  • Flow Control

    None, RTS/CTS, XON/XOFF

  • RS-485 Data Direction Control

    ADDC® (automatic data direction control)

  • RS-232

    TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND

  • RS-422

    Tx+, Tx-, Rx+, Rx-, GND

  • RS-485-4w

    Tx+, Tx-, Rx+, Rx-, GND

  • RS-485-2w

    Data+, Data-, GND

  • Input Current

    DE-211: 180 mA @ 12 VDC, 100 mA @ 24 VDC
    DE-311: 300 mA @ 9 VDC, 150 mA @ 24 VDC

  • Input Voltage

    DE-211: 12 to 30 VDC
    DE-311: 9 to 30 VDC

  • Alert Tools

    Built-in buzzer and RTC (real-time clock)

  • Housing

    Metal

  • Dimensions (with ears)

    90.2 x 100.4 x 22 mm (3.55 x 3.95 x 0.87 in)

  • Dimensions (without ears)

    67 x 100.4 x 22 mm (2.64 x 3.95 x 0.87 in)

  • Weight

    480 g (1.06 lb)

  • Operating Temperature

    0 to 55°C (32 to 131°F)

  • Storage Temperature (package included)

    -40 to 75°C (-40 to 167°F)

  • Ambient Relative Humidity

    5 to 95% (non-condensing)

  • EMC

    EN 55032/24

  • EMI

    CISPR 32, FCC Part 15B Class B

  • EMS

    IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV
    IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m
    IEC 61000-4-4 EFT: Power: 1 kV; Signal: 0.5 kV
    IEC 61000-4-5 Surge: Power: 1 kV
    IEC 61000-4-5 Surge: Power: 1 kV; Signal: 1 kV
    IEC 61000-4-6 CS: 150 kHz to 80 MHz: 10 V/m; Signal: 10 V/m
    IEC 61000-4-6 CS: 150 kHz to 80 MHz: 3 V/m; Signal: 3 V/m
    IEC 61000-4-11

  • Medical

    DE-311: EN 60601-1-2 Class B, EN 55011

  • Safety

    UL 60950-1

  • Green Product

    RoHS, CRoHS, WEEE

  • Time

    DE-211: 347,822 hrs
    DE-311: 225,529 hrs

  • Standards

    MIL-HDBK-217F

Software, Firmware, and Drivers

FILTER

All Driver Firmware Utility
Name Type Version Operating System Release Date
Real TTY drivers (Linux Kernel 5.x)
140.8 KB 		Driver v5.1
  • Linux Kernel 5.x
 Aug 04, 2021 Aug 04, 2021 Release notes
Real TTY drivers (Linux Kernel 4.x)
139.3 KB 		Driver v4.1
  • Linux Kernel 4.x
 Aug 04, 2021 Aug 04, 2021 Release notes
Device Search Utility
1.1 MB 		Utility v2.4
  • Windows 10
  • Windows 2000
  • Windows 7
  • Windows 8
  • Windows 8.1
  • Windows 95
  • Windows 98 SE
  • Windows ME
  • Windows NT
  • Windows Server 2003
  • Windows Server 2008
  • Windows Server 2008 R2
  • Windows Server 2012
  • Windows Server 2012 R2
  • Windows Server 2016
  • Windows Server 2019
  • Windows Vista
  • Windows XP
 Mar 31, 2021 Mar 31, 2021 Release notes
Windows Driver Manager (for Windows 7, Server 2008, or later))
3.0 MB 		Driver v3.2
  • Windows 10
  • Windows 7
  • Windows 8
  • Windows 8.1
  • Windows Server 2008 R2
  • Windows Server 2012
  • Windows Server 2012 R2
  • Windows Server 2016
  • Windows Server 2019
 Jul 06, 2020 Jul 06, 2020 Release notes
Real TTY drivers for Linux 2.x.x
92.2 KB 		Driver v2.0
  • Linux Kernel 2.4.x
  • Linux Kernel 2.6.x
 Oct 24, 2019 Oct 24, 2019 Release notes
Real TTY drivers for Linux 4.x.x
95.4 KB 		Driver v4.0
  • Linux Kernel 4.x
 Oct 24, 2019 Oct 24, 2019 Release notes
Real TTY drivers for Linux 5.x.x
95.3 KB 		Driver v5.0
  • Linux Kernel 5.x
 Oct 24, 2019 Oct 24, 2019 Release notes
Real TTY drivers for Linux 3.x.x
95.0 KB 		Driver v3.0
  • Linux Kernel 3.x
 Oct 24, 2019 Oct 24, 2019 Release notes
Firmware for NPort Express Series (DE-311)
171.0 KB 		Firmware v3.0
Jan 21, 2019 Jan 21, 2019 Release notes
Firmware for NPort Express Series (DE-211)
152.6 KB 		Firmware v2.2
Jan 21, 2019 Jan 21, 2019 Release notes
Windows Driver Manager
2.6 MB 		Driver v2.0
  • Windows 2000
  • Windows 95
  • Windows 98
  • Windows 98 SE
  • Windows ME
  • Windows NT
  • Windows Server 2003
  • Windows Server 2008
  • Windows Vista
  • Windows XP
 Aug 22, 2018 Aug 22, 2018 Release notes
Device Server Android API
18.1 MB 		Driver v1.0
  • Android
 Jan 19, 2018 Jan 19, 2018 Release notes
NPort Administration Suite
4.0 MB 		Driver v1.22
  • Windows 10
  • Windows 2000
  • Windows 7
  • Windows 8
  • Windows 8.1
  • Windows 95
  • Windows 98
  • Windows ME
  • Windows NT
  • Windows Server 2003
  • Windows Server 2008
  • Windows Server 2008 R2
  • Windows Server 2012
  • Windows Server 2012 R2
  • Windows Vista
  • Windows XP
 Oct 27, 2016 Oct 27, 2016 Release notes
Driver for NPort Express Series (WinCE 5)
230.5 KB 		Driver v1.6
  • Windows CE 5.0
  • Windows CE 6.0
 Nov 14, 2012 Nov 14, 2012 Release notes
PComm Lite - Serial Communication Tool for Windows
1.6 MB 		Utility v1.6
  • Windows 2000
  • Windows 7
  • Windows Server 2003
  • Windows Server 2008
  • Windows Server 2008 R2
  • Windows Vista
  • Windows XP
 May 13, 2012 May 13, 2012 Release notes
Driver for NPort Express Series (WinXP Embedded)
1.2 MB 		Driver v1.14
  • Windows XP Embedded
 Apr 04, 2012 Apr 04, 2012 Release notes
Driver for NPort Express Series (UNIX)
73.0 KB 		Driver v3.5
  • FreeBSD 5.x
  • FreeBSD 6.x
  • FreeBSD 7.x
  • FreeBSD 8.x
  • HP-UX
  • IBM AIX 5.3
  • Mac OS X
  • QNX 4.x
  • QNX 6.x
  • SCO OpenServer 5
  • SCO OpenServer 6
  • SCO UnixWare 7
  • Solaris 10
 Mar 19, 2012 Mar 19, 2012 Release notes

Support Documents

FILTER

All 2D CAD Datasheet Manual QIG Tech Note
Name Type Version Release Date
Tech Note: Moxa Real TTY Driver Porting Guide for Arm-based Platforms
372.3 KB 		Tech Note v1.0 Aug 05, 2021 Aug 05, 2021
Manual for NPort 5000 Series
17.4 MB 		Manual v6.2 Jul 29, 2021 Jul 29, 2021
QIG for NPort Express Series (DE-211)
758.2 KB 		QIG v8.2 May 06, 2021 May 06, 2021
QIG for NPort Express Series (DE-311)
741.8 KB 		QIG v5.2 May 06, 2021 May 06, 2021
Datasheet for NPort Express Series
824.7 KB 		Datasheet v1.2 Jan 13, 2021 Jan 13, 2021
Tech Note: Real COM mode for NPort
423.5 KB 		Tech Note v1.1 Apr 30, 2020 Apr 30, 2020
Manual for NPort Express Series (DE-311 HIG)
2.6 MB 		Manual v5.0 Oct 02, 2017 Oct 02, 2017
Tech Note: NPort Real COM Mode for DNP3 Applications
1.9 MB 		Tech Note v1.0 Nov 17, 2014 Nov 17, 2014
Tech Note: TCP Server Mode for NPort
311.3 KB 		Tech Note v1.0 Jun 29, 2013 Jun 29, 2013
Manual for NPort Express Series (DE-211 HIG)
2.3 MB 		Manual v8.0 Feb 20, 2013 Feb 20, 2013
Tech Note: Using DNP3 with the NPort Series
1.0 MB 		Tech Note v1.0 Mar 29, 2012 Mar 29, 2012
Tech Note: UDP Mode for NPort
173.2 KB 		Tech Note v1.0 Nov 03, 2009 Nov 03, 2009
Tech Note: Accessing Multiple NPorts Behind NAT
482.6 KB 		Tech Note v1.0 Nov 03, 2009 Nov 03, 2009
Tech Note: Real COM Mode for NPort
253.0 KB 		Tech Note v1.0 Nov 03, 2009 Nov 03, 2009
Tech Note: NPort's Ethernet Modem Mode
116.6 KB 		Tech Note v1.0 Nov 03, 2009 Nov 03, 2009
Tech Note: NPort's Pair Connection Mode
211.4 KB 		Tech Note v1.0 Nov 03, 2009 Nov 03, 2009
Tech Note: Reverse Telnet Mode for NPort
204.6 KB 		Tech Note v1.0 Nov 03, 2009 Nov 03, 2009
Tech Note: TCP Client Mode for NPort
224.4 KB 		Tech Note v1.0 Nov 03, 2009 Nov 03, 2009
Manual for NPort Express Series
474.3 KB 		Manual v3.0 Oct 14, 2009 Oct 14, 2009
2D CAD for NPort DE-311 TOP
483.5 KB 		2D CAD May 22, 2009 May 22, 2009
2D CAD for NPort DE-211 TOP
26.0 KB 		2D CAD May 22, 2009 May 22, 2009
Tech Note: Fixed TTY Driver for NPort
207.6 KB 		Tech Note v1.0 May 21, 2009 May 21, 2009
Tech Note: Real TTY Driver for NPort
204.2 KB 		Tech Note v1.0 May 21, 2009 May 21, 2009

Related Content

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All Technology Guide

Available Models (2)

Show Images
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moxa-de-311-image.jpg | MoxaDE-311
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moxa-de-211-image.jpg | MoxaDE-211
Ethernet Port Speed10/100 Mbps10 Mbps
Serial ConnectorDB9 femaleDB25 female
Power Input9 to 30 VDC12 to 30 VDC
Medical CertificationsEN 60601-1-2 Class B, EN 55011–
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NPort Express Series

DE-211

moxa-de-211-image.jpg | Moxa

Buy online from our distributors

NPort Express Series

DE-311

moxa-de-311-image.jpg | Moxa

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