Quantum DLT 4000 Handbuch PDF herunterladen (Seite 30)

General Description and Specifications

1-6 Quantum DLT 4000 Tape Drive

Table 1–4 DLT 4000 Environmental Specifications (continued)

Specification Operating Limits Non-Operating Limits

(Power On; No Tape Loaded)

Altitude Normal pressure from -500 feet to

30,000 feet

Airflow Velocity 125 linear feet per minute

measured directly in front of the

front bezel

Shock 5 G peak, half-sine; 11 ms

duration; 10 G each direction of

each axis, 35 sec between shocks,

60 shocks total; 3 axes

See Table 1-5

Vibration 5 to 500 Hz @ 0.25 G; sweep rate

=1 octave per minute

See Table 1-6

Table 1–5 DLT 4000 Non-Operating Shock Specifications

Description Rackmount and Tabletop

Shock (Unpackaged) 40 G, 10 ms, square wave;

140 G, 2 ms, half-sine; X,Y,Z

axes, twice in each axis, total of

6 shocks.

Shock (Packaged) Drop: 42

inches (items < 20.0 lbs.)

16 drops total

Table 1–6 DLT 4000 Non-Operating Vibration Specifications

Description Rackmount and Tabletop

Sine (Unpackaged) 1-500-10 Hz; 1 G acceleration level; X,Y,Z axes, sweep rate =½

octave/minute

Random (Unpackaged) 5-500 Hz; 2 G acceleration level; X,Y,Z axes, sweep rate = 60

min/axis

Random (Packaged)

Power Spectral Density

(Vertical)

5 to 10 Hz

10 to 50 Hz

50 to 300 Hz

0.003 G

/Hz @ 5, to 0.020 @ 10

Flat @ 0.020 G

/Hz

0.020 G

/Hz @ 50 with 8 dB/octave rolloff

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 299 300

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