00000095.gif Fujitsu M2481B : Specifications

General Specifications

No. data recording tracks                             18                                                    
                                                                                                            
Data recording method                                 GCR (DD-NRZ 18Tr)                                     
                                                                                                            
Recording density                                     37,871 bpi                                            
                                                                                                            
Recording capacity *                                  200MB                                                 
                                                                                                            
IBG length                                            2.0 millimetres                                       
                                                                                                            
Tape speed                                            2 metres/second                                       
                                                                                                            
Load time                                             8 seconds typical                                     
                                                                                                            
Unload time (from BOT)                                7 seconds typical                                     
                                                                                                            
Rewind time (from BOT to EOT)                         48 seconds typical                                    
                                                                                                            
Access time                                           25 milliseconds typical                               
                                                                                                            
Positioning time                                      110 milliseconds typical                              
                                                                                                            
MTU - MTC data transfer rate                          3.0MB/second                                          
                                                                                                            
MTC interface                                         SCSI (ANSI X3.131)                                    
                                                                                                            
Host interface data tranfer rate :                                                                          
                                                                                                            
Asynchronous :                                        1.5 MB/second                                         
                                                                                                            
Synchronous :                                         4.0 MB/second                                         
                                                                                                            
Noise                                                 55dB or less                                          
                                                                                                            
Weight                                                12kg or less                                          
                                                                                                            

(*) This is not the minimum guaranteed value but the standard recording capacity measured for a block length of 24KB. The recording capacity is also dependant on the tape length and tape quailty. (1MB = 1 × 10^6 bytes)

Installation Specifications

Power Supply           +24v (+10%, -5%)  4.0A (13.0A max, 40ms)                                             
                                                                                                            
                       +12v ±7%  2.0A                                                                       
                                                                                                            
                       +5v ±5%  5.0A                                                                        
                                                                                                            
                       -5v ±5%  3.0A