HP SW TL881 DLT Mini-Lib/1 Compaq StorageWorks TL881/TL891 Family MiniLibrary - Page 30

System Description 1-13 Display The backlit, 4-line by 20-character control panel display provides a highly intelligible presentation of drive and loader status, menu choices, and error messages. The scrolling feature greatly expands the amount of information available to you. In the Expansion Unit, status information is available for the entire system. The MiniLibrary Base Modules display other information as needed for localizing malfunctions. Magazine Security Lock The magazine security lock is a key-operated switch on the front panel of each module. It can be used to prevent inadvertent removal of the cartridge magazine. Power Supply The AC power switch is located on the front panel of the module. The autoranging power supply adjusts automatically to either of two operating voltage ranges. The ranges are 100-120 VAC and 200-240 VAC. The power supply is capable of operating at 50 or 60 Hz without any adjustment or modification. AC power is supplied to the power supply by a single IEC-compatible socket that can be connected to any properly grounded outlet. Tape Cartridge Magazines The 10-cartridge and 16-cartridge magazines are removable from the front panel, but can be protected from tampering by any of three means: 1. A key-operated magazine security lock that must be unlocked before the magazine can be removed. 2. An electronic combination lock operated by using buttons on the Expansion Unit control panel. 3. Issuance by the host of a SCSI PREVENT MEDIUM REMOVAL command. The rugged carbon-fiber-reinforced polymer magazine fits into an extruded track, which assures precise positioning with respect to the library robotics. A 10-cartridge tape magazine is shown in Figure 1-4. Insertion and removal of the magazine is described in Chapter 2, "Operation."