The four-port, PCI-compliant DataFire RAS B Series adapters provide remote access servers (RAS) with ISDN basic rate interface (BRI) connectivity. Each port provides a BRI connection that supports the following types of calls:
Two ISDN B and one ISDN D-channel
56 Kbps analog modem (both K56flex and V.90)
Fax
The DataFire RAS B Series comes with either:
An S/T interface, which requires an external NT-1 or
A U interface, which provides an integrated NT-1
Up to four DataFire RAS B Series adapters may be installed on the same server, providing up to 8 ISDN B-channels.
Drivers are available for Windows NT 4, SCO UnixWare, Linux, and Novell Netware.