Tandberg Data VXA-320 (VXA-3) Air Flow/Cooling Requirements, Particulate Contamination Limits

ENVIRONMENTAL SPECIFICATIONS

Air Flow/Cooling Requirements

When mounted in the host enclosure, the tape drive must have adequate air flow. Ensure that ambient air is allowed to pass through the ventilation holes shown in Figure 3-1 on page 19. These ventilation holes must not be blocked. The air flow around the tape drive must be sufficient to prevent tape path temperatures from exceeding 45 °C (113 °F).

The tape drive is equipped with a temperature sensor. It issues an overtemperature signal through the LOG SENSE command if the above temperature is exceeded. You can access temperature data through the LOG SENSE command. See the VXA-320(VXA-3) SCSI Reference Manual.

Particulate Contamination Limits

The VXA-320 tape drive is designed to operate in environments that do not exceed the limits listed in Table 7-17.

Table 7-17Particulate contamination limits

Particle Size	Number of Particles >	Number of Particles >
(Microns)	Particle Size per Cubic Meter	Particle Size per Cubic Foot
0.1	8.8 x 107	2.5 x 106
0.5	3.5 x 107	1.0 x 106
5.0	2.5 x 107	7.0 x 106

Shock Specifications

The storage and nonoperating shock levels indicate how much shock the tape drive can withstand when it is not operating. The operating shock levels indicate how much shock the tape drive can withstand while reading and writing data. After withstanding this amount of shock, the tape drive operates normally.

Table 7-18lists the shock specifications for the tape drive.

Table 7-18Shock specifications
Operating		Nonoperatinga, b	Transportationc
5 g for	3 msecd	60 g for 3 msec	ISTA Procedure 2A
6 g for	11msece	50 g for 11 msec

aThe tape drive has been unpacked, but no power is applied.

bHalf-sine shock pulses are applied to each of the three orthogonal axes. (Three shocks at 60 g at a rate not exceeding 1 shock per second. One shock at 50 g.)

cThe tape drive is in its original shipping container.

dHalf-sine, at a rate not exceeding 1 shock per second; 20 shocks applied to each of the three orthogonal axes.

eHalf-sine, at a rate not exceeding 1 shock per every 3 seconds; 10 shocks applied to each of the three orthogonal axes.

OCTOBER 2006 VXA-320 TAPE DRIVE

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