511010 Rev. 07-01-19 Introduction 1-11. Introduction1.1 Who Should Read This ManualThis Technical Service Manual is for RLS service personnel. It describes the Mainte-nance Menu, the Private Menu and instructions for removing and replacing Field Re-placement Units (FRU's). It also contains troubleshooting procedures and after–maintenance testing procedures.The following topics are covered in the RLS-8350/85XX Series Tape Library Installa-tion and Operation manual (Qualstar document number 511000):• Unpacking Instructions• Operator Interface• System Configuration• System Operation• Preventative Maintenance• Repacking InstructionsFor information about the SCSI interface, or other information outside the scope ofthis manual, please refer to the appropriate documents listed below.Subject DocumentQualstarDocumentNumberSpecifications RLS-8500 Tape Library ProductSpecification511001Specifications RLS-8350 Tape Library ProductSpecification511002Installation and Operation RLS-8350/85XX Series Tape Li-brary Installation and OperationManual511000Approved Data Cartridges Product Information Note PIN-038Barcode Label Specifications Product Information Note PIN-040SCSI Medium-changer Information RLS SCSI-2 Interface Reference 501551SCSI-2 Specification ANSI X3.131-1994 N/ASCSI SPI-3 Specification NCITS T10 Project 1302D N/ASCSI-1 ANSI X3.131-1986 N/ASCSI-2 ANSI X3.131-1994 N/ASCSI Parallel Interface-2 Specification (SPI-2) ANSI X3.302-1998 N/A