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Contents Chapter 4 Using the Library 39 Using the Library Door........................................................................ 39 Opening the Library Door ............................................................ 41 Closing the Library Door .............................................................. 41 Using Tape Cartridges ......................................................................... 42 Inserting a Cartridge ..................................................................... 42 Removing a Cartridge ................................................................... 44 Loading a Cartridge....................................................................... 45 Unloading a Cartridge .................................................................. 46 Using the Cleaning Cartridge ...................................................... 46 Handling and Storing Cleaning Cartridges ............................... 47 Cln Message.................................................................................... 48 Inserting Bar Code Labels............................................................. 48 Using the Cartridge Magazine ........................................................... 49 Inserting the Magazine.................................................................. 49 Removing the Magazine ............................................................... 50 Chapter 5 SCSI Interface 51 General SCSI Bus Operation ............................................................... 51 Data Transfer .................................................................................. 52 Initiator/Target Operation ........................................................... 52 SCSI IDs and LUNs........................................................................ 52 Unit Attention Condition.............................................................. 53 Behavior Around Power-On and SCSI Bus Reset ..................... 53 Other SCSI Functionality .............................................................. 54 Bus Phases....................................................................................... 54 Attention Signal Response............................................................ 54 SCSI Message System........................................................................... 54 Status Phase .................................................................................... 54 Bus Free ........................................................................................... 56 Bus Parity Errors ............................................................................ 56 Chapter 6 Troubleshooting Guidelines 57 Basic Library Operation....................................................................... 58 Quantum|ATL PowerStor L200 Series Library User’s Guide v
