DEChub 900 MultiSwitch Owner's Manual

This document is the Owner's Manual for the DEChub 900 MultiSwitch, published in December 1996. It serves as a comprehensive guide for individuals responsible for installing, managing, and troubleshooting this network hub.

The manual covers a wide range of topics, including:

• Product Overview: Describing the DEChub 900 MultiSwitch hub, its hardware features (such as 90 Series compatibility, hot-swap capability, incremental and redundant power systems, and flexible channels), and its network management architecture (using SNMP).
• Installation Procedures: Detailed instructions for installing the chassis in a rack or on a wall, including assembly of the AC line-cord strain-relief and use of optional mounting kits.
• Power System Management: Guidance on installing, removing, and resetting power supply modules, configuring redundant power, calculating power needs, and monitoring the power system.
• Hub Manager Functionality: Explaining the features of the built-in Hub Manager, including its setup and out-of-band management (OBM) ports, status display messages, self-test procedures, IP configuration options (SNMP, trap addresses), and firmware upgrade processes.
• Network Management: Methods for managing network modules both in-band and out-of-band, establishing IP services, and handling hot-swapped modules.
• Remote Monitoring: An overview of Remote Network Monitoring (RMON) alarms and events supported by the Hub Manager.
• Troubleshooting: A section dedicated to problem-solving common issues.
• Technical Specifications: Appendices providing detailed information on order numbers, mechanical, electrical, environmental, and acoustic specifications, as well as connector, cable, and adapter pin assignments.