Quantum DLT 4000 Manual descarregar pdf (Página 29)

General Description and Specifications

Quantum DLT 4000 Tape Drive 1-5

Table 1–3 DLT 4000 Performance Data (continued)

Feature Description

Tracks 128; 64 pairs

Linear Bit Density 81,600 bpi per track

READ / WRITE Tape Speed 98 inches/second

Rewind Tape Speed 150 inches/second

Linear Search Tape Speed 150 inches/second

Average Rewind Time 70 seconds

Maximum Rewind Time 140 seconds

Average Access Time (from BOT) 45 seconds

Maximum Access Time (from BOT) 90 seconds

Load to BOT (typical) 48 seconds - previously written (slightly longer if using

a blank tape)

Load to BOT (max time using V120

firmware or greater)

5.2 minutes with blank tape that fails calibration (time

includes calibration retries)

Unload from BOT 17 seconds

Nominal Tape Tension 3.0 +/- 1 oz when stationary; 4.7

+/- 1 oz at operating speed

* = Depending on data type and SCSI bus limitations/system configuration

Note that data is typical; times may be longer if error recovery time is needed.

1.3.5 Environmental Specifications

The following table lists operating and non-operating environmental

specifications for the DLT 4000 tape drive.

Table 1–4 DLT 4000 Environmental Specifications

Specification Operating Limits Non-Operating Limits

(Power On; No Tape Loaded)

Wet Bulb Temperature 25°C (77°F) 25°C (77°F)

Dry Bulb Temperature

Range

10°C to 40°C (50°F to 104°F) -40°C to 66°C (-40°F to 151°F)

Temperature Gradient 11°C (52°F) /hour (across range) 15°C (59°F) /hour (across range)

Temperature Shock 10°C (50°F) (over two minutes) 15°C (59°F) (over two minutes)

Relative Humidity 20 to 80% (noncondensing) 10 to 95% (noncondensing)

Humidity Gradient 10% / hour 10% / hour

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 299 300

Sem comentários

Quantum DLT 4000 Manual Página 29