800 Series ISDN Routers
The Cisco 800 Series ISDN Router offers enhanced network security and reliability through the power of Cisco IOSŪ technology tailored for small offices and telecommuters.
Cisco 800 Series routers give small offices and corporate telecommuters enhanced security, superior reliability, and safe investment with low cost of ownership.
Enable customers to benefit from the Internet economy by increasing productivity, simplifying communication, and reducing costs. The Cisco 800 Series enables customers to benefit from value-added services such as managed network services, virtual private networks (VPNs), point-of-sale (POS) applications, and secure Internet access (refer to Figure).
ISDN Features
The Cisco 800 Series supports ISDN switched, leased-line connections, AO/DI, X.25 over ISDN D channel, Bandwidth Allocation Control Protocol (BACP), Multilink PPP (MLP), Compression Control Protocol (CCP) compression (up to 4:1), and BoD with load balancing for links up to 128 kbps for effective throughput up to 512 kbps. For ISDN cost control, the Cisco 800 Series supports advice of change and dynamic short hold mode. Also new in Cisco Fast Step Release 2.3 is the point-and-click ability to limit connections to one B channel.
Table 1: Cisco 800 Series Models Model Ethernet LAN WAN Analog Telephone Ports Console Port LAN Ports
Cisco 801 One 10BASE-T (RJ-45) One ISDN BRI1 S/T (RJ-45 connector) None RJ-45 One Ethernet
Cisco 802 One 10BASE-T (RJ-45) One ISDN BRI U (RJ-45 connector) None RJ-45 One Ethernet
Cisco 803 10BASE-T (RJ-45) 4-port hub One ISDN BRI S/T (RJ-45 connector) 2 (RJ-11) RJ-45 4-port Ethernet hub
Cisco 804 10BASE-T (RJ-45) 4-port hub One ISDN BRI U (RJ-45 connector) 2 (RJ-11) RJ-45 4-port Ethernet hub
 Superior Reliability
Because Cisco 800 Series routers are based on the same proven Cisco IOS technology used throughout the Internet, small offices can depend on them day after day, year after year. In addition, a Cisco 800 Series router provides Internet access to multiple users without being tied to a server or dedicated PC. This means that if a server on the local-area network (LAN) crashes, other users remain connected to the Internet.

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