DECconcentrator 500 Multimode Option Card Installation

This document is a comprehensive installation manual for multimode option cards in the DECconcentrator 500 unit, published by Digital Equipment Corporation in March 1993.

The manual guides hardware installers and system/network managers through the process of installing and verifying the functionality of these cards, which enable devices to connect to FDDI networks over multimode fiber.

Key contents include:

• Overview of Multimode Option Cards: Physical descriptions of Network Management Cards (featuring FDDI ports, control switches, and an optical bypass relay) and various Port Cards.
• Installation Procedures: Step-by-step instructions for checking shipment contents, safely disconnecting power and data cables, removing existing panels or cards, installing the new option card, and connecting the optical bypass relay.
• Installation Verification: Procedures for applying power, performing loopback tests to check card and cable integrity, and connecting fiber optic cables, including guidance on interpreting LED status.
• Safety Information: Extensive warnings and cautions throughout the document regarding laser light exposure, static electricity, and proper power connection, provided in multiple languages (English, German, French, Spanish).
• Appendices: Information on purchasing multimode fiber optic system cables (including specifications and part numbers), a detailed identification list for recording DECconcentrator 500 unit and card information, a list of related documentation, and part numbers for software updates.