DEChub Network Modules 900-Series Switch Reference

This reference manual describes the technical features, functionalities, and management of Digital's 900-Series switching modules. It covers:

• Switch Models: Technical overviews and specifications for the DECswitch 900EE, DECswitch 900EF, and PEswitch 900TX.
• Frame Handling: Details on translating frames between Ethernet and FDDI formats, IP fragmentation, and Novell IPX support.
• Management: Instructions for using the HUBwatch graphical user interface (GUI) for tasks like port configuration, spanning tree management, rate limiting, and address filtering.
• FDDI Configuration: Guidelines for configuring FDDI dual rings and trees within the DEChub 900 backplane, including information on building blocks and fault tolerance.
• Troubleshooting: Procedures for handling corrupted flash memory and firmware recovery.