W&T connects
Interfaces for TCP/IP, Ethernet, RS-232, RS-485, USB, 20mA, glass and plastic fiber optic cable, http, SNMP, OPC, Modbus TCP, I/O digital, I/O analog, ISA, PCI
Data sheet:

Com-Server Highspeed PoE

  • Characteristic curves

Direct connection to the network: 1 serial Highspeed port to the Power-over-Ethernet network


General information:

  • Supply voltage via Power-over-Ethernet (PoE)
    • Phantom power using data pairs
    • Power over unused wire pairs
    • Alternate external supply possible
  • Direct connection with compact box for DIN rail mount
  • Remotely configurable via Web Based Management
  • RS232, RS422, RS485 selectable
  • Serial bit rate up to 230.4 kBit/s
  • Network adapters:
    • 10/100BT autosensing
    • IEEE 802.3af (Power-over-Ethernet)
  • Conforms to standards both in office and industrial environments:
    • High noise resistance per EN 61000-6-2
    • Low noise emission per EN 55032:2015 + A1 Cl. B, EN 61000-3-2 & EN 61000-3-3
  • 5 year guarantee

Background information:

Like all models in the Highspeed series, The Com-Server Highspeed PoE 58641 offers everything you need for directly connecting a serial port to the computer network. In addition, the supply voltage per IEEE 802.3af (Power-over-Ethernet) can be provided over the network cable, with both phantom power over the data pairs as well as power using the wire pairs not used for 10/100BT. Problems with outlets, country-specific plug types, various AC voltages etc. are now a thing of the past.

For cases where PoE is planned but not yet fully implemented, it is also possible to provide power using an external power supply connected to screw terminals. From the software standpoint all the important standard protocols are included (see box and applications behind the product data sheets).

The serial port on the Com-Server can be switched between RS232, RS422 and RS485. The serial and network parameters can be set using telnet, ARP/RARP, SNMP or via Internet browser and Web-Based Management.

Com Port Redirector:

The W&T COM Port Redirector for Windows 9x/NT/2000/XP/2003 also gives serially operating Windows programs the ability to communicate over the network. Virtual COM ports are installed on the system which behave like standard COM ports with respect to the applications. Communication with the terminal device is now however over the network and a Com-Server (data sheet with download link).


  • Serial port protocols:
    • XON/XOFF
    • Hardware handshake
    • SLIP
    • other protocols on request
  • Protocols for direct network connection:
    • TCP/IP (IPv6 on request):
      Socket, FTP, Telnet per client and server
    • Auxiliary protocols:
      Inventory keeping, group management
  • Protocols for paired Com-Server operation:
    (Connect serial devices in pairs via network)
    • Box-to-box mode TCP/IP

Technical data

  • Serial port:
    • 1 x RTS232-, RS422-, RS485 interface
    • DB9 connector, configurable
  • Baud rate:
    • 50 to 230.400 baud
  • Data format:
    • 7,8 data bits, 1,2 stop bits
    • No, even, odd parity
  • Flow control:
    • Hardware handshake, XON-XOFF protocol
    • or can be suppressed
  • Network:
    • 10/100BT autosensing
  • Galvanic isolation:
    • min. 1500 Vrms
  • Power supply:
    • Power-over-Ethernet (PoE) or via screw terminal with
    • DC 24V .. 48V (+/-10%) or AC 18Veff .. 30Veff (+/-10%)
  • Current consumption:
    • typ. 85mA @24V DC
    • PoE Class 1 (0.44 - 3.84W)
  • Ambient temperature:
    • Storage: -40..+70°C
    • Operating in non-rowed installation: 0..+60°C
    • Operating in rowed installation 0..+50°C
  • Housing:
    • Plastic compact housing for top-hat rail mount. 105x75x22mm
  • Weight:
    • approx. 200 g
  • Scope of delivery:
    • 1x Com-Server Highspeed Industry PoE, 1x product CD with
    • WuTility management tool, Windows COM Port Redirector, OPC server, programming examples in C/VB/Delphi/Java, reference manual in German/English