System Description 1-3Figure 1-1 AccessBuilder 4000 Configuration OptionsSystemDescriptionThe AccessBuilder 4000 series servers consists of hardware and softwarethat provides a cost-effective solution to your remote access networkingneeds. Both the Ethernet and Token Ring versions offer the same highperformance RISC-based engine. Optional plug-in line interface modulesmay be installed to provide connections to a variety of WAN types. Theseinterface modules include 4-port, 8-port, and 8-port high speed serial cardsfor connection to analog modems, a 4-port ISDN Basic Rate Interface (BRI)interface (U or S/T), and a high speed synchronous interface for leased lines.Connection to the LAN supports three Ethernet media types, 10BaseT, BNC(thin), and AUI. A three-position switch selects the desired interfaceconnection. The Token Ring version supports 4 or 16 Mbps ring speeds.A console port preconfigured for 9600 bps is provided as a conveniencewhen:n local configuration (using a dumb terminal or computercommunications emulation program) is desired, orn remote software downloading is desired.PCPCPCnet 1Work StationWork Stationnet 2File ServerWork StationLAN–to–LANLAN–to–LANIndividualtoLANIndividualtoLANStatusActivity PowerSYSTEM STATUSAccessBuilder4000Remote Access Server StatusActivity PowerSYSTEM STATUSAccessBuilder4000Remote Access Server