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2.1 Optical Disk Drive Specifications
C156-E205-01EN 2-5
Table 2.3 Environmental and power requirements (2 of 2)
Item Specification
Altitude Operating 3,000 m (10,000 ft) or less
Non Operating 12,000 m (40,000 ft) or less
Air flow Unused (*4)Ambient for
purity
Air purity General office environment or better
(dust perticles: Class 5 millions or less)
Note:
*1 At random seek or read/write. Excluding pulse waveform under 500 us or
less.
*2 It demonstrates in an installation environment of a temperature of 25°C,
voltage of 5 V.
See Section 4.4.8 for information on the power management function.
*3 The efficiency is specified in an environment of a temperature of 25°C and
0° horizontal level placement.
*4 For details, refer to section 3.1.3 'Air Flow'
1. Current limiter value for +5 VDC power: 5 A or less
2. Specifications under transporting condition are under the packaging specified
by Fujitsu.
3. A voltage drop may occur depending on the used power supply or power
cable.
2.1.4 Error rate
Data blocks to be accessed are evenly distributed on the disk. Errors due to disk
defects are not included.
(1) Bit error rate after ECC processing
The error rate after ECC processing must be 10
-12
or less. An optical disk cartridge
whose raw error rate is 10
-4
or less should be used.
(2) Positioning error rate
The positioning error rate must be 10
-6
or less. (with retry)