Axxon Industrial PCI Express (PCIe) High Speed RS422/485 Serial Adapters

PCIe 2 Port RS422/485 Adapter

Axxon PCI(e) Industrial RS422/485 Cards

PCIe 4 Port RS422 SMPTE

PCIe 4 Port RS422 SMPTE

LF1089KB-20 RS422/485 20Mbps


Axxon PCIe High Speed Serial RS422/485 Adapters.These cutting edge designs permits a quick installation of RS422/485 serial ports to any brand of computer system using the advanced PCIe expansion slots

Supported under:

  • Windows up to10
  • Linux
  • Apple OS
  • QNX 4 / 6
  • OS/2
  • VMWare
  • SCO 5.07 / 6.0

Linux users will welcome the ease of installation of this advanced card by not having to recompile kernels, without embedding add-on device drivers, without inserting add-on modules.

This is just a small selection of Axxon vast range of serial cards for every application. Some models are in use with robotic surgery manufacturers.
Let us know your application and we will find you the right product. Call us on +44 (0)1202 861512 or use the contact form.

Axxon PCI Express (PCIe) High Speed Serial RS422/485 Adapter LF1089KB-20 Single Port 20Mbps

  • Support for up to 20 Mbps data rates
  • PCI Express Gen1, Gen2, Gen3 expansion slot compatible (x1, x2, x4, x8, x16 lane)
  • Native PCI Express UART Controller with DMA and MSI support offers low latency response
  • FLEXIBAUD™ feature permits custom user defined baud rates with precision framing
  • Isolated RS422 / Isolated RS485 (2w/4w) jumper selectable modes
  • 3kVrms Digital Isolator with 4.2kv Isolated DC-DC Power Supply
  • Enhanced 16550 / 16650 / 16750 / 16950 UART modes
  • 9-bit multi-drop support
  • DB9 Male connector (TX+, TX-, RX+, RX-, Ground)
  • Full (4-wire) duplex pin out support (Isolated TX+, Isolated TX-, Isolated RX+, Isolated RX-)
  • Half (2-wire) duplex pin out support (Isolated D+, Isolated D-)
  • Local Echo ON / OFF support (RS485)
  • Low or Full Height mounting bracket support
  • High speed design with DMA support for autonomous data transfers without CPU intervention
  • ±15kv ESD and short-circuit protected RS422/RS485 compliant transceiver
  • Surge voltage and surge current protected interface
  • Fail-safe biased design with support for assorted bias configurations
  • Hardware state machine auto-enables RS485 transmitter
  • Supported on Windows (32 & 64 bit) and Linux (32 & 64 bit)
  • CC, CE, RoHS, Pb-free and Conflict of Minerals compliant

FLEXIBAUD is a trademark of Axxon (OEM) Inc.


LF686KB 2 Port RS422/485

  • 2 High Speed 16C950 Serial Port for PCI Express Expansion Slots (PCIe)
  • 15 kv ESD Surge Serial Port Protection, Short-Circuit / Thermal & Current Protected RS232 Transceivers
  • 128 Byte Transmit / Receive Buffers, Hardware Auto-Flow Control
  • Includes Dualplex Cable DB25M-DB9M-2 (12″)
  • Windows 10, 8.x, 7.0, 2000, 2003 Server, XP32/XP64, NT4, Vista, Server 2008, Windows Server 2012; VMWare; Apple OS (native support); Plug and Play in Linux, DOS

LF755KB 4 Port SMTPE

  • 4 16C950 UART (PCIe UART with 128 byte FIFOs), Software Selectable DTE / DCE Modes with SMPTE DB9F Pinout
  • RS422 Interface (TX+, TX-, RX+, RX-) ; 15kv ESD & Current Protected Transceivers
  • Included Quadplex (SMPTE) Cable HD44M-DB9F-4 (36″)
  • Windows 10, 8.x, 7, 2012, 2000, 2003, XP 32 / 64, NT4, Vista 32 / 64, 2008, DOS,QNX 4 / 6 , OS/2, VMWare & Linux 32 / 64 (Plug & Play with native OS supplied drivers)

When you buy from Roalan you will be treated well. You will get a high-quality product which will not cost you a fortune and you will get more satisfaction out of your purchase than you expected.