MicroVAX

This document, "MicroVAX Site Preparation," serves as a guide for preparing a location for a MicroVAX system and its expanders. It is intended for both DIGITAL service personnel and customers who plan to install and/or self-maintain their MicroVAX systems.

The manual's primary objective is to ensure smooth operation and installation by providing detailed physical, environmental, and power requirements that a site must meet before the system's arrival.

Key areas covered include:

• Physical Requirements: Discusses necessary space for unpacking, installing, and servicing the system, including dimensions of various MicroVAX enclosures (BA23, BA123, BA213, BA215, H9642, H9644) and expanders, as well as space for peripheral equipment and cabling.
• Operating Environment: Details acceptable temperature and humidity ranges (operating and non-operating), advises on minimizing static electricity (e.g., maintaining 40% relative humidity, using antistatic mats), and emphasizes the need for a well-ventilated, clean area.
• Electrical Requirements: Outlines specific power considerations such as voltage (100, 120, or 240 Vac), frequency, current draw, and power consumption for each system configuration. It strongly recommends using a dedicated, isolated ground circuit.
• Acoustic Levels: Provides noise emission levels for different systems, noting that some larger cabinet systems (H9642, H9644) may require installation in a dedicated computer room due to higher noise.
• Handling and Clearances: Includes cautions about handling heavy equipment (some requiring forklifts) and specifies necessary clearances around systems for airflow and maintenance access.
• Power Cable Information: An appendix lists country-specific power cable order numbers required for 240 Vac operation for various MicroVAX configurations.

The document stresses the importance of pre-installation site preparation to prevent issues and ensure system dependability.