FarSite announce the FarSync Flex, the worlds first USB Synchronous line adapter

7th March 2007

FarSite have developed a USB connected synchronous serial adapter supporting X.21, RS530, V.35, RS449 and RS232C network interfaces operating at serial line speeds up to 4 Mbits/s. The device is believed to be the only USB Synchronous Serial line adapter available. No external power supply is required as the device is powered from the USB connection. USB 2.0 and older USB 1.1 host interfaces are supported.

There are 2 versions of the Flex product, the FarSync Flex and the FarSync Flex X25.

FarSync Flex - Key Features: X.21, RS530, V.35, RS449 and RS232C network interfaces, drivers for Linux and Windows, NDIS and SDCI Windows API, Raw sockets Linux API, TCP/IP over PPP, USB line powered, Toolkit available for using the API, Line signal modes: NRZ, NRZI, FM0 and FM1, Selectable synchronous or asynchronous, 4 Mbits/s, internal and external clocking, USB 2.0 and 1.1.

FarSync Flex X25 - Key Features: All the features of the FarSync Flex plus: X.25 and ISO transport protocol handlers for Windows and Linux, IP over X.25, X.25 Developers Toolkit. Sockets and Java API to the protocol handlers. Full Details.

FarSync Flex Datasheet (PDF)

Orders are being taken now, the first units will be shipped in May 07, contact us for further information.


Headquartered in Basingstoke, FarSite also has a development office in China. FarSite is an independent leader in the design, development and manufacture of a wide range of high-quality, high-performance WAN cards and Communications appliances for corporate requirements. The company's product range addresses some of the industry's most challenging and advanced business technology needs. Products are in use worldwide.

Press information from: Steve Scott, FarSite Communications.

Tel: +44 (0)1256 336740. Email: