Introduction 1-3

The principal features of the AccessBuilder 500 are:

■Easy to install, configure and support.

■ISDN, 2B+D port, supporting Basic Rate interface of two 64 Kbps and a 16 Kbps control channel.

■Voice port.

■Leased line wide area network (WAN) access port.

■Data terminal equipment (DTE) management port.

■Support for full IP and IPX routing.

■Protocol transparent bridging.

■Sophisticated data packet filtering to provide network security.

■Provides NetWare protocol spoofing.

■Data compression based on an optimized Lempel Ziv algorithm.

■Remote and local management.

■Flash erasable programmable read-only memory (EPROM), allowing the remote upgrading of the units operating system.

■Uses simple network management protocol (SNMP) and provides management information base (MIB) II support.

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3Com 500 manual Introduction