NPort Express Series

  •  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.

PRODUCTS IN THIS SERIES

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

£122.00

Available on back-order

Add to quote

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

£128.00

4 in stock (can be backordered)

Add to quote

Other Series

Select some options
Filter By Product Series
A series refers to a collection of related products or components designed to work together seamlessly, typically within a specific industry or application. These series often share similar features and functionalities, ensuring compatibility and ease of integration for users.
Supported Documents

Software, Firmware, and Drivers

NAME TYPE CHECKSUM VERSION OPERATING SYSTEM RELEASE DATE
Device Search Utility

2.2 MB

Utility
SHA-512
v2.7
  • Windows 10
  • Windows 11
  • Windows 2000
  • Windows 7
  • Windows 8
  • Windows 8.1
  • Windows 95
  • Windows 98
  • Windows 98 SE
  • 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 Server 2022
  • Windows Vista
  • Windows XP
Jun 28, 2023Release notes
Real TTY Linux Driver (kernel 6.x)

123.0 KB

Driver
SHA-512
v6.0
  • Linux Kernel 6.x
May 04, 2023Release notes
Windows Driver Manager (Windows 11 and Server 2022 and later, WHQL certified)

5.4 MB

Driver
SHA-512
v4.1
  • Windows 11
  • Windows Server 2022
Feb 01, 2023Release notes
Real TTY Linux drivers v4.2 (kernel 4.x)

114.9 KB

Driver
SHA-512
v4.2
  • Linux Kernel 4.x
Jan 17, 2023Release notes
Real TTY Linux driver v5.2 (kernel 5.x)

113.0 KB

Driver
SHA-512
v5.2
  • Linux Kernel 5.x
Jan 17, 2023Release notes
Device Server Android API

18.0 MB

Library
SHA-512
v1.1
  • Android
Dec 22, 2022Release notes
Windows Driver Manager v3.5 (Windows 7 to 10 and Windows Server 2008 R2 to 2019, WHQL certified)

6.8 MB

Driver
SHA-512
v3.5
  • 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
Dec 01, 2022Release notes
Serial Device Server Driver for macOS (macOS 10.12 to 10.15)

611.6 KB

Driver
SHA-512
v1.1
  • macOS 10.12
  • macOS 10.13
  • macOS 10.14
  • macOS 10.15
Sep 26, 2022Release notes
Real TTY drivers for Linux 2.x.x

92.2 KB

Driver
SHA-512
v2.0
  • Linux Kernel 2.4.x
  • Linux Kernel 2.6.x
Oct 24, 2019Release notes
Real TTY drivers for Linux 3.x.x

95.0 KB

Driver
SHA-512
v3.0
  • Linux Kernel 3.x
Oct 24, 2019Release notes
Real TTY drivers for Linux 5.x.x

95.3 KB

Driver
SHA-512
v5.0
  • Linux Kernel 5.x
Oct 24, 2019Release notes
Real TTY drivers for Linux 4.x.x

95.4 KB

Driver
SHA-512
v4.0
  • Linux Kernel 4.x
Oct 24, 2019Release notes
Windows Driver Manager (Windows Vista, Server 2008, and prior)

2.6 MB

Driver
SHA-512
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 01, 2019Release notes
Firmware for NPort Express Series (DE-311)

171.0 KB

Firmware
SHA-512
v3.0
Jan 21, 2019Release notes
Firmware for NPort Express Series (DE-211)

152.6 KB

Firmware
SHA-512
v2.2
Jan 21, 2019Release notes
NPort Administration Suite

4.0 MB

Driver
SHA-512
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, 2016Release notes
Driver for NPort Express Series (WinCE 5)

230.5 KB

Driver
SHA-512
v1.6
  • Windows CE 5.0
  • Windows CE 6.0
Nov 14, 2012Release notes
PComm Lite – Serial Communication Tool for Windows

1.6 MB

Utility
SHA-512
v1.6
  • Windows 2000
  • Windows 7
  • Windows Server 2003
  • Windows Server 2008
  • Windows Server 2008 R2
  • Windows Vista
  • Windows XP
May 13, 2012Release notes
Driver for NPort Express Series (WinXP Embedded)

1.2 MB

Driver
SHA-512
v1.14
  • Windows XP Embedded
Apr 04, 2012Release notes
Driver for NPort Express Series (UNIX)

73.0 KB

Driver
SHA-512
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, 2012Release notes

Support Documents

NAME TYPE VERSION RELEASE DATE
Tech Note: Real COM mode for NPort

479.5 KB

Tech Note v2.0 Jun 08, 2023
Tech Note: TCP Server Mode for NPort

395.0 KB

Tech Note v2.0 Jun 08, 2023
Tech Note: TCP Client Mode for NPort

394.5 KB

Tech Note v2.0 Jun 08, 2023
Tech Note: Moxa Real TTY Driver Porting Guide for Arm-based Platforms

372.3 KB

Tech Note v2.0 Jun 08, 2023
Tech Note: UDP Mode for NPort

397.2 KB

Tech Note v2.0 Jun 08, 2023
Tech Note: Ethernet Modem Mode

429.4 KB

Tech Note v2.0 Jun 08, 2023
Tech Note: Pair Connection Mode

544.0 KB

Tech Note v2.0 Jun 08, 2023
Tech Note: Reverse Telnet Mode for NPort

364.5 KB

Tech Note v2.0 Jun 08, 2023
Tech Note: Fixed TTY Driver for NPort

389.7 KB

Tech Note v2.0 Jun 08, 2023
Tech Note: Accessing Multiple NPorts Behind NAT

497.2 KB

Tech Note v2.0 Jun 08, 2023
Tech Note: Real TTY Driver for NPort

379.2 KB

Tech Note v2.0 Jun 08, 2023
Moxa CLI Configuration Tool User Manual

1.0 MB

Manual v2.1 Mar 28, 2023
Datasheet for NPort Express Series

824.5 KB

Datasheet v1.4 Apr 23, 2022
Tech Note: Moxa Real TTY Driver Porting Guide for Arm-based Platforms

372.3 KB

Tech Note v1.0 Aug 05, 2021
QIG for NPort Express Series (DE-311)

741.8 KB

QIG v5.2 May 06, 2021
QIG for NPort Express Series (DE-211)

758.2 KB

QIG v8.2 May 06, 2021
Tech Note: Real COM mode for NPort

423.5 KB

Tech Note v1.1 Apr 30, 2020
Manual for NPort Express Series (DE-311 HIG)

2.6 MB

Manual v5.0 Oct 02, 2017
Tech Note: NPort Real COM Mode for DNP3 Applications

1.9 MB

Tech Note v1.0 Nov 17, 2014
Tech Note: TCP Server Mode for NPort

311.3 KB

Tech Note v1.0 Jun 29, 2013
Manual for NPort Express Series (DE-211 HIG)

2.3 MB

Manual v8.0 Feb 20, 2013
Tech Note: Using DNP3 with the NPort Series

1.0 MB

Tech Note v1.0 Mar 29, 2012
Tech Note: UDP Mode for NPort

173.2 KB

Tech Note v1.0 Nov 03, 2009
Tech Note: Accessing Multiple NPorts Behind NAT

482.6 KB

Tech Note v1.0 Nov 03, 2009
Tech Note: Real COM Mode for NPort

253.0 KB

Tech Note v1.0 Nov 03, 2009
Tech Note: NPort’s Ethernet Modem Mode

116.6 KB

Tech Note v1.0 Nov 03, 2009
Tech Note: NPort’s Pair Connection Mode

211.4 KB

Tech Note v1.0 Nov 03, 2009
Tech Note: Reverse Telnet Mode for NPort

204.6 KB

Tech Note v1.0 Nov 03, 2009
Tech Note: TCP Client Mode for NPort

224.4 KB

Tech Note v1.0 Nov 03, 2009
Manual for NPort Express Series

474.3 KB

Manual v3.0 Oct 14, 2009
2D CAD for NPort DE-311 TOP

483.5 KB

2D CAD May 22, 2009
2D CAD for NPort DE-211 TOP

26.0 KB

2D CAD May 22, 2009
Tech Note: Fixed TTY Driver for NPort

207.6 KB

Tech Note v1.0 May 21, 2009
Tech Note: Real TTY Driver for NPort

204.2 KB

Tech Note v1.0 May 21, 2009
WLAN Standards
Select some options
WLAN Standards
WLAN Modes
Select some options
WLAN Modes
Wiring
Select some options
Wiring
Wireless Signal Strength
Select some options
Wireless Signal Strength
Wireless Security
Select some options
Wireless Security
Windows Real COM Drivers
Select some options
Windows Real COM Drivers
Windows Drivers
Select some options
Windows Drivers
White Balance
Select some options
Wet Contact (DI to COM)
Select some options
Wet Contact (DI to COM)
Weight
Select some options
Weight
WDR (wide dynamic range)
Select some options
Wattage
Select some options
Wattage
Warranty Period
Select some options
Warranty Period
Wall mounting (standard)
Select some options
Voltage Range
Select some options
Voltage Range
Voltage
Select some options
Voltage
Viewing Angles
Select some options
Viewing Angles
Video Streams
Select some options
Video Standards
Select some options
Video Output
Select some options
Video Output
Video Motion Detection
Select some options
Video Input
Select some options
Video Input
Accuracy
Select some options
Accuracy
Video Compression
Select some options
Vibration
Select some options
Vibration
Acquisition
Select some options
Acquisition
Version Supported
Select some options
Version Supported
Active Display Area
Select some options
Active Display Area
AGC (auto gain control)
Select some options
Velocity Accuracy
Select some options
Velocity Accuracy
Alarm Contact Channels
Select some options
Alarm Contact Channels
Alert Tools
Select some options
Alert Tools
Altitude
Select some options
Altitude
V.S.W.R.
Select some options
V.S.W.R.
User Programmable
Select some options
User Programmable
Ambient Relative Humidity
Select some options
Ambient Relative Humidity
Analog Input Channels
Select some options
Analog Input Channels
USB Standards
Select some options
USB Standards
Analog Output Channels
Select some options
Analog Output Channels
USB Connector
Select some options
USB Connector
Antenna Length
Select some options
Antenna Length
USB 3.0
Select some options
USB 3.0
Antenna Type
Select some options
Antenna Type
USB 2.0
Select some options
USB 2.0
Aspect Ratio
Select some options
Aspect Ratio
Audio Format
Select some options
Audio Inputs
Select some options
Authentication
Select some options
Authentication
Typical Efficiency
Select some options
Typical Efficiency
Authentication Methods
Select some options
Authentication Methods
Typical Current (cold start)
Select some options
Typical Current (cold start)
Automatic Reboot Trigger
Select some options
Automatic Reboot Trigger
Typical Current
Select some options
Typical Current
Azure IoT Edge Preintegrated
Select some options
Azure IoT Edge Preintegrated
Typical Antenna Gain
Select some options
Typical Antenna Gain
Band Options
Select some options
Band Options
Type
Select some options
Type
Band Options (EU)
Select some options
Band Options (EU)
TTL
Select some options
TTL
Band Options (US)
Select some options
Band Options (US)
Transmitter Power for 802.11g
Select some options
Transmitter Power for 802.11g
Baudrate
Select some options
Baudrate
Transmitter Power for 802.11b
Select some options
Transmitter Power for 802.11b
BLC (back light compensation)
Select some options
Transmitter Power for 802.11a
Select some options
Transmitter Power for 802.11a
Board-side Connector
Select some options
Board-side Connector
Transmission Rate
Select some options
Transmission Rate
Body Color
Select some options
Body Color
Transmission Distance
Select some options
Transmission Distance
Boot Delay Interval
Select some options
Boot Delay Interval
Breakdown Voltage
Select some options
Breakdown Voltage
Traffic Control
Select some options
Traffic Control
Broadcast Forwarding
Select some options
Broadcast Forwarding
TPM
Select some options
TPM
Browser
Select some options
Touch Type
Select some options
Touch Type
Bus
Select some options
Bus
Touch Support Points
Select some options
Touch Support Points
Buttons
Select some options
Buttons
Cable
Select some options
Cable
Total PoE Power Budget
Select some options
Total PoE Power Budget
Cable Length
Select some options
Cable Length
Total Output Data Size
Select some options
Total Output Data Size
Cable Type
Select some options
Cable Type
Camera Angle
Select some options
Time Pulse
Select some options
Time Pulse
CAN
Select some options
CAN
Time Management
Select some options
Time Management
CAN Ports
Select some options
CAN Ports
Time
Select some options
Time
Carrier Approvals
Select some options
Carrier Approvals
ThingsPro Proxy Utility
Select some options
ThingsPro Proxy Utility
ThingsPro Edge Preloaded
Select some options
ThingsPro Edge Preloaded
Thickness
Select some options
Thickness
Cellular Antenna Connectors
Select some options
Cellular Antenna Connectors
Cellular Standards
Select some options
Cellular Standards
Channel-to-Channel Isolation
Select some options
Channel-to-Channel Isolation
Channels
Select some options
Terminator
Select some options
Terminator
CIP Objects Supported
Select some options
CIP Objects Supported
System Power Input Channels
Select some options
System Power Input Channels
System Power
Select some options
System Power
System
Select some options
System
Synchronization
Select some options
Comm. Controller
Select some options
Comm. Controller
Switch Type
Select some options
Switch Type
Commands Invokable Via Jobs
Select some options
Commands Invokable Via Jobs
Communication Interface
Select some options
Communication Interface
Compatible Modules
Select some options
Compatible Modules
Concurrent VPN Tunnels
Select some options
Concurrent VPN Tunnels
Switch Settings
Select some options
Switch Settings
Strip Length
Select some options
Strip Length
Storage Temperature
Select some options
Storage Temperature
Configuration Options
Select some options
Configuration Options