Rack-Mountable VAX 4000 Model 500A/600A/700A Installation/Operator's Manual

This document is the Installation/Operator's Manual for the Rack-Mountable VAX 4000 Models 500A/600A/700A computer system, published by Digital Equipment Corporation (copyright 1993).

It is intended for Digital Customer Service personnel and customer maintenance personnel, assuming familiarity with computer hardware and operating systems. The manual is organized into three main chapters:

1. System Overview: Describes the physical components of the VAX 4000, including front assemblies (mass storage shelf, control panel, ON/OFF switch), the card cage (memory, CPU, Q-bus modules, console bulkhead, DSSI/SCSI connectors), power supply controls, and system fans.
2. Installation: Provides detailed procedures for site preparation, checking the shipment, physically installing the system into a rack (equipment slides, chassis mounting, cable management), setting system controls, connecting various peripheral devices (terminals, printers, modems, Ethernet networks, tape drives, and optional expanders), connecting the system power cable, and completing the initial power-up and language selection.
3. Maintenance: Outlines troubleshooting steps and procedures for removing and replacing Field Replaceable Units (FRUs) such as the ON/OFF switch assembly, storage backplane assembly, power card assembly, fans, and equipment slides.

The document also includes important warnings and cautions regarding safety, warranty compliance, and proper system operation (e.g., ensuring slot covers are in place for EMI/RFI compliance and airflow).