Dell PowerVault 110T SDLT320 (Tape Drive) - Manual (Page 35)

Functional Specifications
Performance Data
The following table provides performance data for the tape system.
Table 3. Performance Data
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
Table 5. Non-Operating Vibration Specifications
Feature Description
Drive Read/Write Transfer Rate 16 MB/second, native
SCSI Bus Transfer Rates* LVD (Ultra 2) 40 MB/second
80 MB/second Narrow, native
Wide, native
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 (Unpackaged)
Pulse Shape: Square wave ½ sine pulse
Peak Acceleration: 40 G 140 G
Duration: 10 ms (180 inches/second) 2 ms
Application: X,Y,Z axes, twice in each axis (once in each direction)
Shock (Packaged, Drop)
Drop: 42 inches (internal drive)
36 inches (tabletop) 16 drops total
16 drops total
Vibration (Unpackaged)
Type: Sine Sweep
Frequency Range: 5 - 500 - 5 Hz Upward and downward sweep
Acceleration Level: 0.02 " DA
1 G Between 5 and 31 Hz (crossover)
Between 31 and 500 Hz (crossover)
Application: X,Y,Z axes Sweep rate = ½ octave /minute
Type: Random
Frequency Range: 10 - 500 Hz
Acceleration Level: 2 G
PSD Envelope: 0.008 G ^ 2/Hz
Application: X,Y,Z axes Sweep rate = 60 minutes /axis
Vibration (Packaged)
Type: Random
Frequency Range
(Vibration Level): Truck Profile* (0.5 Grms)
Air Profile* (1.0 Grms)
Application: X,Y,Z axes (30 minutes, each profile and each axis, for a total of 3 hours)
Type: Sine, Sweep, and Dwell
Frequency Range: 5 - 150 - 5 Hz; 0.5 octave /minute, 0.5 G
Application: X,Y,Z axes; dwell at lowest resonant frequency in axis for 30 minutes.