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's Model 2977 DialFire RAS.

The Model 2977 DialFire DSP-based RAS concentrator provides the widest compatibility and most powerful performance available in a PCI slot. Patton's Model 2977 DialFire adapters support a full range of connections, from low density to high density T1/E1 and Primary Rate Interface (PRI) ISDN. Multiple Model 2977 Digital Domain adapters can be installed in a single server so capability can be added as system needs grow.

Dynamic analog/digital/fax support. On-board DSPs provide advanced modem & fax support and maximize the efficiency of each communication channel
Field upgradable from 24/30 ports to 48/60 ports supporting up to two 61/E1 ports
Advanced DSP Technology. Supports V.90, K56Flex, ISDN, and FAX applications
. The Model 2977 DialFire RAS integrates with and take advantage of the inherent communications capabilities built-in to your current server operating environments like; Microsoft, and Linux
The Model 2977 Digital Domain RAS operates within the PCI 2.1 mechanical and electrical specifications, support 3.3 or 5-volt PCI servers, and share common software architecture