The Patton DialFire™ Model 2977 BRI RAS is the ultimate WAN adapter card for use with BRI lines. It is designed to work in a standard PCI 2.1 slot (5.0 or 3.3 volts) and can terminate four BRI communication lines. Calls can be originated and answered on all 8 channels (2 each for all 4 BRI connections). All channels can handle modem calls (up to 56 kbps—V.90 and K56flex) and B channel calls (64 kbps).
The Patton Model 2977 DialFire Family of DSP (Digital Signal Processor) based RAS (Remote Access Server) concentrator adapters provides the widest compatibility and most powerful performance available in a PCI slot. For demanding, server-based applications including modem-pooling, remote access, advanced fax, World Wide Web and branch office internetworking, you won't find a better product line than the Patton 2977 DialFire RAS.
Finding a remote access solution that meets the needs of a small office environment is often a challenge. With Patton's 2977/B4 RAS the solution is easy! It's as simple as adding an adapter to your favorite PC server, installing the device driver and configuring your remote access ports. The users can dial-out of your server while other users are dialing-in. The Patton 2977/B4 is a digital adapter that provides connections to four ISDN BRI (Basic Rate Interface) lines allowing up to eight simultaneous digital or analog connections.