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C156-E142-02EN 1 - 3
(8) Automatic spindle stop function
If access is not made within a certain time, this function stops disk rotation to minimize dust
accumulation on the disk. This function can be set that time by the MODE SELECT command.
1.1.2 Reliability
(1) Mean time between failure (MTBF)
This drive features a 120,000 hour MTBF.
(2) Error recovery
For the error depending on the optical disk drive, recovery process is made by a suitable retry.
This drive features Reed-Solomon error correction (ECC) to assure error-free operation.
(3) Automatic allocation of alternate data blocks
This drive features a function which automatically allocates alternate data blocks to defective data
blocks detected while data is being read from or written to an optical disk.
1.1.3 Maintainability/operability
(1) Diagnostic function
This drive has a diagnostic function to check optical disk drive operations. The diagnostic
function facilitates test and restoration.
(2) Five year service life (no overhaul)
This drive will not require overhaul within the first five years of installation if appropriately
handled, maintained, and cleaned as recommended.
(3) Mean time to repair (MTTR)
The MTTR is 30 minutes or less, if repaired by a specialized maintenance staff member.
1.1.4 Adaptability
(1) Wide operating environment
An LSI circuits reduce power consumption to 5.3 W (read/write). This drive features a wide
operating environment (5 to 45°C, general office environment). Dust particles are class 5 millions
or less.