BA46 Expansion Box Service Information

This document, titled "BA46 Storage Expansion Box Service Information (EK-VBA46-SV.001)", serves as a comprehensive service and reference manual primarily for Digital Services personnel and self-maintenance customers.

Its main purpose is to provide detailed guidance for the installation, configuration, maintenance, and troubleshooting of the BA46 Storage Expansion Box. Key information covered includes:

• BA46 Box Overview: Descriptions of the expansion box's components, configurations, physical dimensions, electrical requirements, and operating environment.
• Mass Storage Devices: Details on various compatible devices such as RZ5x Hard Disk Drives, TLZ04 Cassette Tape Drive, TZ30 Cartridge Tape Drive, TZK10 (QIC) Cartridge Tape Drive, and RRD42 CDROM Disc Drive, along with critical instructions for setting their Small Computer System Interface (SCSI) IDs.
• FRU (Field Replaceable Unit) Procedures: Step-by-step guides for the removal and replacement of all field-replaceable units, including mass storage devices, the power supply, load module, and front bezel. It also outlines essential system preparation, precautions (like data backup and static electricity prevention), and post-replacement testing procedures.
• Preventive Maintenance and Problem Solving: Recommendations for routine maintenance (e.g., cleaning tape drive heads) and comprehensive troubleshooting tables for common issues related to the various mass storage devices and the power supply, detailing symptoms, possible causes, and suggested solutions.
• Part Numbers: Listings of part numbers for all FRUs, cables, and miscellaneous hardware.