Large Systems

This document is a confidential product catalog and configuration guide for Digital Equipment Corporation's Large Systems product line. It details the systems, options, and configurator rules for the DECsystem-1090, 1091, and DECSYSTEM-20 (models 2020, 2040, and 2060). The summary includes policies and procedures for ordering, hardware installation, cabling, and lease rates. Additionally, it provides guidance on field service coverage, terminal compatibility, and software ordering, accompanied by a comprehensive index for all systems and options described in the catalog.