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 41-60 of 197 item(s)

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USB to 1 x RS485/422...

USB to 1 x RS485/422 adapter with DB9 male

Get 1 pc. RS485 or RS422 port via the adapter connected to the PC's USB port

Choose between 1 x RS485 or RS422,
Baud rate up to 921.6 Kbit/s
Supported by Win up to Win10

Price 674.00 DKK
Product code: CNV-USB-RS485
On the way in  
  • Automatic parallel printer...

    Automatic parallel printer switcher for 4 PCs

    Auto Data Switch MP401B Parallel Printer Sharing Device
    4 PCs can share the same parallel printer
    Automatic switch to parallel printer
    Active line is displayed with LED
    Timeout programmable from 3 to 70 sec.
    Supplied with 9VDC voltage supply
    Plug: 5 pcs. DB25 female connector

    Price 675.00 DKK
    Product code: SW401P
    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  
  • Isolated USB to RS485...

    Isolated USB to RS485 converter, -25 ° C ~ +75 ° C

    USB to RS485 converter, isolated
    1 x RS485 7-pin terminal block
    1 x USB-B
    Speed: 300 ~ 115200 bps
    For USB 1.1 / 2.0 (High Speed)

    2500 VDC isolation on RS485 side 
    To DIN rail mounting
    No external power supply required
    Input +5 VDC from USB port
    OS support WIN 98 / ME / 2000 / XP (32 / 64- bit) / Vista (32/64-bit) / 7 (32/64-bit) / 8 (32/64-bit) / 10 / Linux
    Operating temp. -25 ° C ~ +75 ° C
    USB cable (1.8m) included

    Price 812.00 DKK
    Product code: M485-USB-ISO
    Physically in stock  
  • 4 port PCIe RS422 / 485...

    4 port PCIe RS422 / 485 card, w / DB9 splitter cable, Low and High, Isolated

    4 ports RS422 / 485 PCIe card
    PCIe x1, 250Mbytes / sec
    Supports RS485 Auto Transceiver
    128-byte FIFO
    4 x DB9 male connector over octopus cable
    Support 4 Thread RS422 / 485 and 2-wire RS485
    Supports RS422 / 485 Speed ​​Up to 921.6Kpbs
    ± 15KV ESD Protection
    2KV Insulation
    OS Support XP / Vista / 7/8/10 (32) / 64 bit), Linux 2.6.x / 3.x

    Price 826.00 DKK
    Product code: RS485-4PCIE-HL-I
    Physically in stock  
  • 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  
  • RS232 til  RS422/485 konverter

    RS232 til RS422/485 konverter

    RS232-RS422/RS485 konverter
    Op til 115,2 kbit/s
    Afstand: Op til 1,2km på RS422/485. op til 15 m på RS232
    Forsyning: 9 VDC, 100mA, strømforsyning medfølger
    Stik: RS232:DB25F,
    RS485: Skrueterminal og RJ11

    Price 873.00 DKK
    Product code: CNV232B485
    On the way in