| General
          
           | 
      
      
        | Drive Configuration | 
        
           Reader Model - Four 2.6X(DVD) 20X(CD) DVD-ROM drives. 
          Writer Model - One 1.0X(DVD-R) DVD-R drive and two 2.6X(DVD) 
          20X(CD) DVD-ROM drives. 
         | 
      
      
        | Number of Discs | 
        Up to 100 discs | 
      
    
    
      | Disc Change Time | 
      6 seconds (even during writing operation) | 
    
    
      | Interface | 
      SCSI-2 (single-ended Centronics style connector) | 
    
    
      | Supported Disc Formats | 
      DVD-ROM, DVD-Video, DVD-R, CD-ROM, CD-DA, XA | 
    
    
      | Media Diameter | 
      120 mm | 
    
    
      | Media Handling | 
      Open spindle | 
    
    
      | Data Transfer Rate 
        (Sustained) | 
      3.5 MB/s (2.6X DVD), 3 MB/s (20X CD), 1.3 MB/s (1.0X DVD-R) | 
    
    
      | Data Transfer Rate (Burst) | 
      10 MB/s | 
    
    
      | Random Average Seek Time | 
      120 ms (DVD), 80 ms (CD) | 
    
    
      | Random Average Access Time | 
      150 ms (DVD), 90 ms (CD) | 
    
    
      | Data Buffer Capacity | 
      512 KB | 
    
    
      | Data Block Size | 
      2048 Bytes / 512 Bytes | 
    
    
      | Disc Startup Time | 
      max. 5 seconds | 
    
    
      | Disc Spin Down Time | 
      max. 2 seconds | 
    
    
      | Mean Time Between Failure | 
      100,000 Power On Hours / 20% Duty | 
    
    
      | Physical 
        Characteristics
        
         | 
    
    
      | Dimensions (W x H x D) | 
      263 x 484 x 585 mm | 
    
    
      | Operating Voltage | 
      AC 120/240V | 
    
    
      | Power Consumption | 
      100W (240V / 60Hz) | 
    
    
      | Net Weight | 
      34.0 kg | 
    
    
      | Environmental 
        Conditions
        
         | 
    
    
      | Operating Temperature | 
      5癈 to 35癈 | 
    
    
      | Operating Humidity 
        (non-condensing) | 
      10 to 80% RH | 
    
    
      | Storage Temperature | 
      -20癈 to 50癈 | 
    
    
      | Storage Humidity 
        (non-condensing) | 
      10 to 90% RH |