Patton electronics 2977 Family User Manual

Contents

Model 2977 DialFire RAS overview 17Model 2977 DialFire RAS User Guide 1 • DialFire Model 2977 RAS AdaptersModel 2977/B4 DialFire BRI RASThe Model 2977 DialFire BRI RAS (see figure 1) is the ultimate WAN adapter card for use with BRI lines. Itis designed to work in a standard PCI 2.1 slot (5.0 or 3.3 volts) and can terminate four BRI communicationlines, allowing up to eight simultaneous digital or analog remote access connections. Calls can be originatedand answered on all 8 channels (2 each for all 4 BRI connections). All channels can handle modem calls (up to56 kbps–V.90 and K56flex) and B channel calls (64 kbps).Figure 1. Model 2977/B4 BRI RASDialFire adapters support a full range of connections, from low density analog modem, to medium densityBasic Rate Interface (BRI) ISDN, to high density T1/E1 and Primary Rate Interface (PRI) ISDN. MultipleDialFire adapters can be installed in a single server so capability can be added as system needs grow.Model 2977 DialFire T1/E1 RASSupporting open-standards remote access, fax, data collection, and modem pooling, the Model 2977 DialFireRAS server-based RAS (see figure 2) provides up to 60 ports in a single PCI slot.Figure 2. Model 2977 T1/E1 RASFor demanding, server-based applications including modem-pooling, remote access, advanced fax, WorldWide Web and branch office internetworking, you won't find a better product line than the Patton’s Model2977 DialFire RAS.The Model 2977 DialFire DSP-based RAS concentrator support a full range of connections, from low densityto high density T1/E1 and primary rate interface (PRI) ISDN. Multiple Model 2977 DialFire adapters can beinstalled in a single server so capability can be added as system needs grow.