Electronic Interface Module
Super DLTtape II Data Cartridge
Modular Design
•Delivering the overall cosmetic look of the system.
The FPM is a single module with lenses for the system’s LEDs and a button to activate the drive eject switch. The SDLT 600A tape drive front panel contains no electronics.
The Electronic Interface Module (EIM) is the electronic heart of the tape drive. It provides the main control function for the system and the interface from the system to the host computer, library, or autoloader. The EIM provides the Advanced PRML feature of Quantum’s SDLT technology. See Advanced Partial Response Maximum Likelihood on page 29 for a brief description of PRML.
The EIM consists of two major boards: the Integrated Controller Module (ICM), and a separate Host Interface Module (HIM), see figure 10. The ICM contains the main controller and servo microprocessor, the custom- designed SDLT ASICs, and the cache memory while the HIM implements the interface between the host system and the tape drive. This allows easy configuration of the tape drive to match different host interfaces by simply substituting the appropriate HIM card.
As with the other major modules of the SDLT technology, the EIM is manufactured and tested as a distinct module.
As with all tape technologies, the Super DLTtape II data cartridge is a key part of the overall system. The main function of the data cartridge is to provide the magnetic recording media used by the system to store customer information. The data cartridge also provides the protective casing that allows safe media movement and storage.
From the outside, the Super DLTtape II data cartridge looks very similar to the Super DLTtape I and DLTtape VS1 data cartridges. The basic geometry, write protection switch, and label space are the same. This simplifies the integration of the SDLT 600A tape drive into existing operating environments and into automated tape libraries. The
Super DLTtape II data cartridge is easy to recognize; it has a different color than the Super DLTtape I and DLTtape VS1 data cartridges, and contains a distinctive pattern molded into the shell. The DLTtape logo and the product name are also molded into the shell, which ensure you have a genuine Quantum Super DLTtape II data cartridge.
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