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MOXA

General Device Servers

Our NPort device servers make your serial devices network-ready in an instant. Their compact size makes them ideal for connecting devices such as card readers and payment terminals to an IP-based Ethernet LAN.

DE-311
NPort Express Series

1-port RS-232/422/485 device server with 10/100 Mbps Ethernet connection

Ethernet Interface
  • No. of Ports

    • 1
  • Magnetic Isolation Protection

    • 1.5 kV (built-in)
  • 10/100BaseT(X) Ports (RJ45 connector)

    • Auto MDI/MDI-X connection
Ethernet Software Features
  • Configuration Options

    • Windows Utility, Telnet Console, Serial Console
  • Management

    • ARP, BOOTP, DHCP Client, IPv4, TCP/IP, Telnet, UDP, ICMP
  • 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
  • Windows Real COM Drivers

    • Windows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7/8/8.1/10/11 (x86/x64), Windows 2008 R2/2012/2012 R2/2016/2019 (x64), Windows Server 2022, Windows Embedded CE 5.0/6.0, Windows XP Embedded
Serial Interface
  • Connector

    • 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)
Serial Signals
  • RS-232

    • TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
  • RS-422

    • Tx+, Tx-, Rx+, Rx-, RTS+, RTS-, CTS+, CTS-, GND
  • RS-485-2w

    • Data+, Data-, GND
Power Parameters
  • Input Current

    • 300 mA @ 9 VDC
      150 mA @ 24 VDC
  • Input Voltage

    • 9 to 30 VDC
Reliability
  • Alert Tools

    • Built-in buzzer and RTC (real-time clock)
Physical Characteristics
  • 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)
Environmental Limits
  • 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)
Standards and Certifications
  • EMC

    • EN 55032/35
  • 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
  • Safety

    • UL 60950-1
  • Medical

    • EN 55011: 2007+A2: 2007 Class A (Group 1) compliant
      EN 60601-1-2: 2007 compliant
Declaration
  • Green Product

    • RoHS, CRoHS, WEEE
MTBF
  • Time

    • 225,529 hrs
  • Standards

    • MIL-HDBK-217F
Warranty
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