User Guide

Using the 8-port TokenSpeed and TokenSpeed/MCP Switch Modules
1-2
893-01019-A
Features
This section provides a summary of the features of the TokenSpeed module,
including the following topics:
• TokenSpeed module ports and connectivity
• Filtering
• Caching and proxy
• Fault tolerance
• Network management
TokenSpeed Module Ports and Connectivity
TokenSpeed module ports have the following features:
• Operation at 4 or 16 megabits per second (Mb/s), with automatic sensing of
the data rate of an inserting station
• Onboard connectors
— RJ-45 connector for UTP/STP connection to each token ring port
— One serial port with a Mini DIN 8 connector on the TokenSpeed/MCP
module
• Transparent, source route, and source route transparent bridging with
IEEE 802.1d or IBM Spanning Tree support
• Virtual ring partitioning for any combination of ports in a single switch, each
virtual ring appearing as a single ring in a source-routing network
• Per-port features
— LEDs to indicate operational status of each port
— Automatic adaptation to speed of inserting station: 4 or 16 Mb/s
— Automatic port deactivation for errors or administrative control
— Wire-speed port-to-port switching for local traffic without using any ATM
backplane bandwidth
TKNSPD.BK Page 2 Thursday, July 17, 1997 11:43 AM