RS232 / RS422 / RS485 / LPT Parallel

In this category you can find Serial / parallel ports, PCI or PCI Express cards for RS232 / 485/422. If you need a PCI card for your PC or a booster or converter up to 1 km, you can find it in this category. Serial port server, converter, amplifier, isolators, PCI cards and more. Feel free to call our sales department to inquire about a specific product.

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In this category you can find Serial / parallel ports, PCI or PCI Express cards for RS232 / 485/422. If you need a PCI card for your PC or a booster or converter up to 1 km, you can find it in this category. Serial port server, converter, amplifier, isolators, PCI cards and more. Feel free to call our sales department to inquire about a specific product.

What is Serial Communication?

RS232 / RS422 / RS485 / LPT Parallel

There are 197 products.

Showing 51-75 of 197 item(s)

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4 port manual switch box...

4 port manual switch box for 4 x DB25 units

4 x COM port switch with DB25 female
1 x common DB25 female
For serial port or parallel port
Works both ways
Mechanical switch for test use only
All conductors in the plug are switched

Price 861.00 DKK
Product code: SW-DB25-4
On the way in  
  • Wireless RS232 connection...

    Wireless RS232 connection via Bluetooth - as a set. Up to 100 meters between the two RS232 ports.

    Wireless RS232 link between two RS232 ports.
    Only available as a set (2 pcs.).
    BT Ver 2.0 + EDR Class1
    Up to 100meters with accompanying antennas by line-of-sight
    Up to 1km with greater external antennas (optional)
    automatic connection establishment at power on
    with frequency hopping to avoid interference
    Baud rate: 1200 - 115.200kbps, 8 data bits, the O / E / No, 1/2 stop bits
    Setup baud rate, etc. with Hyper Terminal or the like.
    RTS / CTS on / off - DTR / DSR / DCD loop-back
    Supports multi-connection: 1 master 4 slaves
    Supply voltage: 5 - 12VDC / 80mA

    Price 4,527.00 DKK
    Product code: BLUETOOTH-RS232+
    On the way in  
  • RS232 serial port...

    RS232 serial port amplifier, all baud rate up to 120kbps.

    Extend serial cable up to 1600 meters, transiently protected
    RS232 / V.24
    Transparent data: syncronous and asyncronous
    All HW and software handshakes
    DB25 male and DB25 female
    With screw terminal connection of serial I / O
    With RJ45 connection of serial from special cable
    DC9V / 2A power supply included

    Price 1,016.00 DKK
    Product code: BOOST-SER+S
    Physically in stock  
  • RS232 serial extender up to...

    RS232 serial extender up to 250 meters via RJ45 point to point cable. 5VDC with Power over Cable

    RS232 Rxtends up to 250 meters over RJ45 cable
    Baud rate: 110 ~ 921,600, 8-bit
    Use STP (shielded) patch cable - straight through
    The network cable must not be connected to the patch panel
    1 x 5VDC/1A - the power supply supplies both devices (PoC)
    Important: If the distance is long, 2 power supplies are recommended
    Important: If the network cable is of poor quality, use 2 power supplies

    Price 1,500.00 DKK
    Product code: BOOST-RS232RJ45+
    Physically in stock  
  • USB to 1 x RS485 / RS22...

    USB to 1 x RS485 / RS22 adapter, optically galvanically isolated

    Get an RS485 or RS422 port on the PC via the USB port
    Galvanic isolation (optical) 2KV - 3 x 6N137 IC chip
    DB9 male and screw terminal for serial connection
    Baud rate up to 921.6 Kbit/s
    Selection of port type with DIP switch
    Support Win 10, Android
    FTDI chipset FT232RL

    Price 1,288.00 DKK
    Product code: CNV-USB-UNI-I+
    Physically in stock  
  • 1 port serial server RS232...

    1 port serial server RS232 / RS422 / RS485. Serial Device Server RJ45, DB9, 9 - 30VDC

    External COM port over Ethernet and Internet
    RS232/422/485
    Atop SE5201-DB Serial Device Server
    10/100Mbit Ethernet.
    Serial port via DB9 male connector
    Supports TCP Server/Client, UDP, Virtual COM and Tunneling modes
    Power is supplied from 9 - 30VDC or 5VDC (power jack)
    Power supply not included
    DIN kit (option)
    Dimensions: 65 x 78 x 28mm (without wall bracket)
    Dimensions: 88.5 x 84 x 27.8mm (with wall bracket and DB9 port)

    Price 1,525.00 DKK
    Product code: ETH1SER-MINI+
    Physically in stock  
  • 2 RS232-422-485 serial...

    2 RS232-422-485 serial ports for PCI, Titan UPCI-200LI-SI

    2 porte til RS232/422/485, med 2 KV iso., universal PCI
    OS SUPPORT:
    ​64-bit System Intel Itanium 
    AMD Athlon 64 64-bit CPU System 
    Microsoft Win 9x/ME/NT, Win 2K/XP/2003, Win CE 
    Linux 2.0.x / 2.2.x / 2.4.x / 2.6.x 
    DOS DOS 

    Price 700.00 DKK
    Product code: RS485ISO2+S-U
    Physically in stock