400 Series Enclosures

This document provides a comprehensive illustrated parts breakdown for the Digital Equipment Corporation 400 Series enclosures, specifically covering the BA440 Pedestal, BA430 Pedestal, R400X Expander Pedestal, and B400X Expander Pedestal.

The manual is designed for identification and ordering of replacement parts. It includes:

• Exploded View Illustrations: Detailed diagrams showing the assembly of the BA440, BA430, R400X, and B400X, along with specific components like the chassis, frame, fan trays, bulkhead/H3604 console, and internal cabling.
• Parts Lists: Itemized tables for each assembly, listing the DEC part number, descriptions, and relevant engineering change order (ECO) cut-in information.
• Indexes: A complete cross-reference index is provided, allowing users to locate parts both by their DEC part number and by their description.

The document includes revision history tracking and guidelines for using the parts breakdown effectively, such as understanding the "Used On" codes and cross-referencing figures for subassemblies.