DIGITAL MultiSwitch Hub 624T

This document provides comprehensive instructions for the installation, cabling, configuration, and management of the DIGITAL MultiSwitch Hub 624T. It details how to set up the 24-port Ethernet hub within a DIGITAL MultiSwitch 600 System (Stack Director or Stack Station) or a DEChub 900 MultiSwitch.

Key aspects covered include:

• Product Description: An overview of the 624T hub, its features (e.g., fault tolerance, port groups, security), and supported optional modular media interface cards (MM-10s) for various Ethernet connections (AUI, 10BaseFL, 10Base2, 10BaseT).
• Installation & Cabling: Step-by-step procedures for installing optional cards (10BaseT Expansion Port Group, Carrier Card, MM-10s) and the hub module itself into a Stack Director, Stack Station, or DEChub 900, including jumper configurations and cable connections.
• Configuration: Instructions for initial module configuration, restarting with factory defaults or current settings, showing current settings, and dumping error logs, particularly when integrated into a stack or DEChub.
• Redundant-Link Configuration: Guidelines for setting up redundant-link pairs to enhance fault tolerance, distinguishing between simple and complex configurations, and partial vs. full fault detection.
• Module Management: How to manage the hub using DIGITAL's clearVISN software, including SNMP management applications, backplane auto-healing, and various repeater windows (Summary, Port Summary, Port Details, Security, Intrusion Log, Dual-Port Redundancy).
• Stack Assembly & Management: For the DIGITAL MultiSwitch 600 System, the document explains how to assemble a stack with Stack Directors and Stack Stations, connect power, and manage the stack, including firmware upgrades via TFTP.
• Troubleshooting & Reference: Dedicated sections for problem-solving using LED indicators, detailed connector and pin assignments, product specifications (environmental, physical, acoustical), ordering options, and associated documentation.

The manual is intended for personnel involved in the installation, setup, cabling, and configuration of the DIGITAL MultiSwitch Hub 624T.