Quantum lto 4 Betriebsanweisung

Chapter 5  Specifications

Environmental Requirements

LTO-4 Half-Height Tape Drive User’s Guide

37

Environmental Requirements

 lists the environmental specifications of the LTO-4 Half-Height 

Tape Drive.

Table 7   

Environmental

 

Requirements

Acoustic level idling  

(A-wt sum)

52 dBA maximum 5.0 LwA Bels

—

Acoustic level operational  

(A-wt sum)

57 dBA maximum 5.5 LwA Bels

—

Airflow requirements

Internal: 9 CFM (front to back)

N/A

Altitude

max 10,000 feet MSL  

(at 25°C)

40,000 feet (power off)

Humidity gradient

10% per hour

10% per hour

Relative humidity

20% to 80% non-condensing

10% to 95% non-condensing

Shock (1/2 sine wave)

10 Gs peak, 11 msec

40 Gs peak, 11 msec

Temperature

+50° to +104°F  

(+10° to + 40°C)

–40° to +149°F  

(–40° to + 66°C)

Thermal gradient

11°C per hour (10-40°C)

11°C per hour (10-40°C)

Vibration (sweep test)

0.005 inches DA (5-43 Hz)  

0.50 G peak (43–1000 Hz) 

sweep rate 5-1000Hz;  

1.0 octave per minute

0.1 inches (5-–15Hz)  

1.0 G (15–500 Hz) 

1.0 octave per minute