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1-Port Device Server 10 Mbps RS-232/422/485 DB25 female 110V -NO Power Adapter

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Mfg Part Number:  DE-211  
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Price: $213.20 + Free Shipping
In Stock: 7
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NPort Express DE-211 is a universal serial device server that can network-enable your industrial serial devices, such as information display boards, PLCs, flow meters, gas meters, CNC machines, and biometric identification card readers.

Seamless integration with your industrial serial devices and Ethernet TCP/IP network
DE-211 supports RS-232/422 and 4-wire/2-wire RS-485, and has a built-in terminator, making it fit for all types of industrial serial devices and serial communications topologies. The optional Power over Serial function allows DE-211 to be powered by DC power pins inside the DB25 serial cable that connects to the serial device, allowing DE-211 to be seamlessly integrated with connected serial devices.

Total software solution for serial-to-Ethernet applications
With the help of Windows Native COM driver technology, you can keep running existing COM-based software, such as HyperTerminal, without changing your software under Windows and Linux operating systems. In addition, DE-211 provides versatile Raw Connection Modes for sockets, such as TCP Server, TCP Client, UDP Server/Client, Pair Connection, and Ethernet Modem, making DE-211 a powerful and flexible tool for completing your important projects.

Easy installation and configuration with NPort Configurator
DE-211 NPort Management Suite provides easy IP configuration, including DHCP, MAC-IP mapping, and comes with enhanced easy configuration management and fast deployment capabilities. Friendly Graphical User Interface management utilities for Windows and user-configurable command mode are both supplied.


  • Network-enable your industrial serial devices instantly
  • Easy IP setup and deployment for mass installation
  • Easy configuration management for local site and remote management
  • Easy integration with industrial serial devices, with versatile software, power, and housing solution
  • Easy troubleshooting with monitoring software and LED signals for data communication


  • Information display board management for hotels and airports
  • PLC control and administration
  • Industrial SCADA, measurement, and monitoring systems
  • CNC machine management
  • Medical/Hospital/Healthcare industry
  • Factory Automation
  • Building Automation
  • Security/Entrance control systems
  • Time/Attendance control systems
  • and more...

  • Features

    3-in-1 RS-232/422/485 interface and 10 Mbps Ethernet
    Supports 4- and 2-wire RS-485 with patented ADDC™ and built-in terminator
    Supports industrial 24 VDC power input and optional Power over Serial
    Terminal block accessories for easy RS-422/485 serial wiring
    Supports IP configuration by MAC address
    Supports configuration store and copy for easy deployment
    Supports Windows Native COM driver and Linux real TTY driver
    Supports Driver, TCP Server/Client, UDP Server/Client, Ethernet Modem, and Pair Connection operation modes


    16 bit CPU
    512 KB
    Connector type
    Female DB25
    RS-232/422/485 (DIP switch selectable)
    No. of serial ports
    RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
    RS-422: Tx+, Tx-, Rx+, Rx-, GND
    4-wire RS-485: Tx+, Tx-, Rx+, Rx-, GND
    2-wire RS-485: Data+, Data-, GND
    50 bps to 230.4 Kbps
    None, even, odd, space, mark
    Data bits
    5, 6, 7, 8
    Stop bits
    1, 1.5, 2
    Flow Control
    Operating Systems
    Windows 2000/XP/2003, Windows NT, Windows95/98/ME Native COM driver, Linux real tty driver
    TCP, IP, UDP, Telnet, RTelnet, DHCP, ICMP
    Operation Modes
    Driver Mode, TCP Server, TCP Client, UDP Server/Client, Ethernet Modem, Pair Connection
    Serial console
    Telnet console
    NPort Management Suite for Windows
    Linux Batch Configurator
    NPort Manager for COM driver Monitor
    Firmware upgrade for Windows
    NPort Admin for Linux tty driver
    Power and Environment
    Power requirements
    DC 12V to 30V
    150 mA (max.) at 12V
    92 mA (max.) at 24V
    260 mA (max.) at 5V (Power over Serial enabled)
    Operating Temperature
    0 to 55°C
    Storage Temperature
    -20 to 85°C
    Operating Humidity
    5 to 95% RH
    Dimensions (W x D x H)
    67 x 100.4 x 22 mm (without ears)
    90 x 100.4 x 22 mm (including ears)
    Surge Protection
    15 KV ESD (RS-232), 16 KV ESD (RS-422/485)
    Magnetic isolation
    1.5 KV for Ethernet
    Regulatory Approvals

    Ordering Information
    1 port RS-232/422/485 universal serial device server
    1 port RS-232/422/485 universal serial device server
    All items include
  • NPort Documentation and Software CD-ROM
  • Power Adaptor
  • Quick Installation Guide
    Optional Accessories
    Male DB25 to female DB9 RS-232 cable; 30 cm
    Male DB25 to male DB9 RS-232 cable; 30 cm
    DB25 terminal block kit for RS-422/485
    35 mm DIN-Rail Kit with 4 screws
    Male DB25 DIN-Rail Wiring Terminal

    Dimensions: WxHxD (mm) 90 x 100 x 22
    Mounting Din Rail Mount; Wall Mount
    Enclosure Metal
    Serial interface RS232/RS422/RS485
    Serial interface number of ports 1
    Serial Interface type of connector DB25
    Network interface 1 Port Ethernet RJ45 Connector
    Network interface number of ports 1
    Network interface type of connector RJ45
    Power Input Type Single DC / Jack
    Operating Supply Voltage 12 to 30 VDC
    Power Consumption 180 mA @ 12V
    Operating Temperature 0 to 55C
    Isolation Protection Yes
    Surge Protection -
    Standards and Certifications Safety UL 60950-1, EN 60950-1, EMC CE, FCC, EMI EN 55022 Class A, FCC Part 15 Subpart B Class A, EMS EN 55024, Power Line Protection EN 61000-4-4(EFT) Level 2, EN 61000-4-5(Surge) Level 3
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