KC780 Family Remote Diagnosis Options Technical Manual

This technical manual, EK-KC780-TM-007, details the KC780 Family Remote Diagnosis Options (KC780, KC782, KC785) for VAX-11/780 Series systems. Primarily aimed at Digital Field Service personnel, it provides comprehensive information for the installation, testing, and maintenance of this remote diagnosis equipment.

The document covers:

• Introduction and Overview: Explaining the concept of Digital Remote Diagnosis, the role of the Digital Remote Diagnosis Center (DDC/RDC) as the remote service provider, and the overall operation of the system.
• Functional Description: Detailing the M8017 remote port module, its integration with the LSI-11 console subsystem, and its interface with modems to provide remote access via a dedicated telephone line.
• Operation: Guiding users through a typical remote diagnosis session, including preparing the system, DDC/RDC interaction, diagnostic testing, handling intermittent failures, and extended monitoring.
• Installation: Providing step-by-step instructions for site preparation, hardware installation, modem connection and testing, and instructing customer site personnel.
• Troubleshooting: Addressing common issues related to the M8017 module, modem failures, and connection problems.
• Appendices: Offering detailed information on various modems (including FCC regulations for the USA, and international considerations), wire-wrap workmanship standards, reproductions of user guides, and details on an optional communications switch for multiple processors.

The manual emphasizes the module-swapping philosophy for maintenance and highlights the DDC/RDC's role in initiating and controlling diagnostic sessions.