PDP-11/23B Mounting Box

The PDP-11/23B mounting box subsystem (BA11-S) is designed to house a KDF11-B microprocessor and MSV11-P memory modules, functioning as either a main system unit or as an expansion box. This manual covers:

• Subsystem components: Details on the BA11-S mounting box, H9276 backplane, H7861 power supply, and cooling system.
• Installation: Procedures for unpacking, setting AC voltage, configuring jumpers, mounting in an equipment rack, and connecting power/cables.
• Configuration and Loading: Rules regarding bus AC/DC loading for the extended LSI-11 bus to prevent signaling errors.
• Operation: Description of front panel switches and indicators (AUX, HALT, RESTART, PWR OK, RUN) and power-up/diagnostic sequences.
• Specifications: Comprehensive tables detailing power requirements, dimensions, and environmental operating conditions.