Serial Ethernet Converter (RS232, RS485), PRO

    Model: US2000B

€49.00 Ex VAT
€61.25 Inc VAT

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This is our latest version of the serial to Ethernet converter which is one of the most reliable and solid converters you will find of this type. It offers several advanced features and functions which are rarely seen in converters at this price range. It is ideal for most applications and environments including consumer, office, laboratory, commercial and even complex industrial applications.

ARM® Cortex™-M3 Processor

This serial to Ethernet converter is designed around the ARM Cortex-M3 processor from Texas Instruments which makes this it an extremely reliable and high performance converter with several advanced functions. The Cortex-M3 processor incorporates multiple fail-safe and error detection features which ultimately results in less problems and more uptime.

Advanced Features

As mentioned earlier this converter has several advanced features usually not seen in this range of converter, here are some of the features (please refer to the datasheet for all details):

  • Modbus compatible.
    Industrial applications often use the Modbus protocol to communicate with serial devices. This converter is fully compatible with the ModBus TCP and RTU protocols.

  • Both serial ports can be used individually at the same time.
    This converter has two serial ports, one RS232 port and one RS485 port, both ports can be used as individual COM ports and transfer two separate data streams at the same time. After installing the included Virtual COM Software two COM ports will be created in your computer's Device Manager.

  • Multiple Clients Support.
    Each serial port supports up to 8 simultaneous clients in TCP mode, meaning that 8 computers can connect to the converter at the same time. This is a nice feature to have if you have a large network with many clients.

  • Web to Serial Mode.
    You can login to the converter with a web browser over a network and read the serial data processed by the converter.

  • Specific Parameter Settings
    Just to mention a few of the minor features: RTS/CTS flow control, RAW COM port mode, user defined MAC address, adjustable Telnet timeout counter, send reset command over Ethernet, adjustable module ID and ID type. Please see the datasheet and user manual for more details.

Besides the features mentioned above this converter is also fully capable of handling more complex setups such as Serial Tunneling mode, communication without virtual COM software, access over Internet and more.

RS232 to Ethernet converter diagram

Overall features
  • Highly reliable ARM Cortex-M3 processor
  • Industrial strength
  • RS232 and RS485 ports
  • Serial ports can be usedsimultaneously
  • Advanced functions and features
  • Virtual COM port software included
  • Modbus support
  • Configurable via web-browser and software
  • Power supply included

Model number US2000B
Operating system
Virtual COM software included for:
Windows 10 (32/64-bit), Windows 8 32/64-bit, Windows 7 32/64-bit, Vista, XP
Processor Texas Instruments ARM® Cortex™-M3 LM3S6911
No. of serial ports RS232 x 1 (male DB9)
RS485 x 1 (screw terminals)
RS-232 Signals - TX, RX, RTS, CTS, GND
- Parity: None, Odd, Even, Mark, Space
- Data bits : 5, 6, 7, 8
- Stop bits : 1, 2
Flow Control RS232: Hardware (RTS/CTS), None
RS485: Automatic Flow Control
RS-485 Signals Data+ , Data-, GND
Baud rate 110 - 25600 bps
LAN port RJ45, Auto-MDI/MIDX, 2KV isolation
Protocols TCP Server, TCP Client, UDP, UDP Server, HTTPD Client, DHCP, Web to serial, TCP Auto, ModBus TCP/RTU, Telnet
Parameter management Web-browser (over WiFi), by AT commands or by software utility
Modbus Yes (TCP and RTU)
Max number of clients. This is how many computers that can access the converter simultaneously 8 clients for each port in TCP mode.
Power 5 - 18VDC, 1500mA (max)
Operating Temp. -25 - 80°C
Dimensions 80 x 83 x 25mm
Approvals CE, FCC, ROHS
Warranty 1 year Limited Warranty

For alternative serial to Ethernet solutions please see our full selection of serial Ethernet converters.

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Møllegærdet 27
6000 Kolding, Denmark

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