Dual-port PCI G.703 card

Tahoe 972 card is equipped with two G.703 interfaces capable of transferring data at speeds up to 2048 kbps each.

Each G.703 port may work in unframed or framed mode. In the latter data may be transmitted over any combination of timeslots with throughputs ranging from 64 to 1984 kb/s. In the unframed mode transparent 2048 kbps channel is available.

Built-in hardware HDLC controller fully takes care of the serial communication without any significant load added to the server's CPU.

Linux and FreeBSD drivers are available, supporting Frame relay, synchronous PPP and HDLC.

Drivers and installation instructions are available here.