Dell PowerVault 110T SDLT320 User Manual - Page 35

Functional Specifications Performance Data The following table provides performance data for the tape system. Table 3. Performance Data Feature Description Drive Read/Write Transfer Rate 16 MB/second, native SCSI Bus Transfer Rates* LVD (Ultra 2) 40 MB/second 80 MB/second Tracks 56 logical tracks; 448 physical tracks Track Density 1058 tracks per inch (tpi) Linear Bit Density 193 k bits per inch (bpi) READ / WRITE Tape Speed 122 inches per second (ips) Rewind Tape Speed 160 ips Linear Search Tape Speed 160 ips Average Rewind Time 69 seconds Maximum Rewind Time 140 seconds Average Access Time (from BOT) 70 seconds Maximum Access Time (from BOT) 142 seconds Load to BOT 12 seconds (typical) 40 seconds (unformatted tape) Unload from BOT 12 seconds Nominal Tape Tension Stationary = 3.0 ± 0.5 oz Operating Speed = 3.5 ± 0.5 oz * Depends on data type, SCSI bus limitations, and system configuration. Note that data is typical; times may be longer if error recovery time is needed. Shock and Vibration Specifications The following tables provide non-operating and operating shock and vibration specifications for the tape drive. Table 4. Non-Operating Shock Specifications Pulse Shape: Peak Acceleration: Duration: Application: Drop: Shock (Unpackaged) Square wave 40 G 10 ms (180 inches/second) X,Y,Z axes, twice in each axis (once in each direction) Shock (Packaged, Drop) 42 inches (internal drive) 36 inches (tabletop) ½ sine pulse 140 G 2 ms 16 drops total 16 drops total Table 5. Non-Operating Vibration Specifications Type: Frequency Range: Acceleration Level: Application: Sine 5 - 500 - 5 Hz 0.02 " DA 1 G X,Y,Z axes Vibration (Unpackaged) Sweep Upward and downward sweep Between 5 and 31 Hz (crossover) Between 31 and 500 Hz (crossover) Sweep rate = ½ octave /minute Type: Frequency Range: Acceleration Level: PSD Envelope: Application: Type: Frequency Range (Vibration Level): Application: Random 10 - 500 Hz 2 G 0.008 G ^ 2/Hz X,Y,Z axes Sweep rate = 60 minutes /axis Vibration (Packaged) Random Truck Profile* (0.5 Grms) Air Profile* (1.0 Grms) X,Y,Z axes (30 minutes, each profile and each axis, for a total of 3 hours) Type: Frequency Range: Application: Sine, Sweep, and Dwell 5 - 150 - 5 Hz; 0.5 octave /minute, 0.5 G X,Y,Z axes; dwell at lowest resonant frequency in axis for 30 minutes. Narrow, native Wide, native