World renowned wireline communications products

Our products are trusted by a prestigious list of international organisations and in a wide range of technology sectors.

WAN Adapters

FarSite supply the world’s biggest range of USB, PCI Express, Universal PCI & PMC bus communications adapters with E1, X.21, V.35, RS232, EIA530, RS422 & RS449 WAN interfaces for synchronous and asynchronous operation

BER Testers

The FarSync BERT Tester provides a comprehensive, simple to use, line testing utility for asynchronous and synchronous lines. Standard BER test patterns are used with real time error counters, user controlled error injection, full line test statistics and APIs.

X.25 Adapters and XOT

FarSite supply the world’s biggest range of X.25 adapters and XOT software for PCs, Servers and Laptops. There’s a USB adapter; 1, 2 & 4 port Universal PCI adapters; 2 & 4 port PCI Express adapters and a PMC adapter.


TCP/IP to X.25 Gateway products for fast dependable inter-connection of TCP/IP, XOT & X.25 networks. FarSite’s specialised gateways handle connection management and transfer of a very wide variety of types of data traffic between TCP/IP, XOT & X.25 networks.

Our clients

Many FarSite clients have been using our products for over 15 years.
Here are just a few of the sector we operate in.

  • Defence communications
  • Space exploration
  • Telecommunications
  • Payment authorisation


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