immediately and should only be used in an emergency. Abrupt removal of power in case of emergency may cause loss of customer data. The Unit Emergency switch must be in the on position for the 3494 Model B18 to be powered on by the associated 3494 Library.

Note: The 3494 Model B18 Unit Emergency switch will not cause power to be removed from the associated 3494 library.

Figure 28. Model B18 Virtual Tape Server Operator Panel

3494 Model B16 Virtual Tape Server Controls

All control functions for the Model B16 Virtual Tape Server are integrated into the library manager. See ªChapter 6. Advanced Operating Proceduresº on page 85.

3494 Model B18 Virtual Tape Server Controls

All control functions for the Model B18 Virtual Tape Server, other than emergency power control, are integrated into the library manager. For more information, see ªChapter 6. Advanced Operating Proceduresº on page 85. Refer to ª3494 Model B18 Operator Panelº on page 38 for the Unit Emergency Switch Function.

Chapter 2. Controls and Indicators 39

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IBM Magstar 3494 manual Model B16 Virtual Tape Server Controls, Model B18 Virtual Tape Server Controls