PDP-11/23B Mounting Box

This document is the User's Guide for the Digital Equipment Corporation PDP-11/23B mounting box system. It provides comprehensive information on the BA11-S mounting box subsystem, which includes the H7861 power supply, H9276 logic assembly, and optional control panels.

The guide covers: - Overview and Specifications: Technical details for the system components and power specifications. - Installation: Procedures for unpacking, setting up AC voltage selection, configuring jumpers for the H9276 backplane and bezel assembly, and installing the unit into an equipment rack. - Configuration: Details on bus loading, module insertion/removal, and proper configuration for system expansion. - Operation: Instructions for the control panel switches and indicators (PWR OK, RUN, RESTART, HALT, AUX).