Fujitsu M2483B /K /N, M2485B /K /N : Specifications

No. data recording tracks :                                                                                 
                                                                                                            

B /H series :                             18                                                                
K series :                                36 (18 track serpentine)                                          
                                                                                                            

Data recording method :                   GCR (DD-NRZI 18Tr)                                                
                                                                                                            

Recording density :                                                                                         
                                                                                                            

B /H series :                             37,871 bpi                                                        
K series :                                75,742 bpi                                                        
                                                                                                            

Recording capacity : *                                                                                      
                                                                                                            

B /H series :                             600MB (with EDRC)                                                 
K series :                                1200MB (with EDRC)                                                
                                          2400MB (with EDRC and double length tape)                         
                                                                                                            

IBG length :                              2.0 millimetres                                                   
                                                                                                            

Tape speed :                              2 metres/second                                                   
                                                                                                            

Load/Unload time :                        13 seconds typical                                                
                                                                                                            

Rewind time :                                                                                               
                                                                                                            

Standard length tape :                    65 seconds max.                                                   
Double length tape :                      120 seconds max.                                                  
                                                                                                            

Host Interface :                                                                                            
                                                                                                            

B /B1 /H /H1 /K /K1 type :                SCSI-2, single ended                                              
                                                                                                            

BD /BD1 /HD /HD1 /KD /KD1 type :          SCSI-2, differential                                              
                                                                                                            

Host interface data tranfer rate :                                                                          
                                                                                                            

Asynchronous :                            3.0 MB/second                                                     
                                                                                                            

Synchronous :                             4.0 MB/second                                                     
                                                                                                            

Drive/Controller :                        3.0 MB/second                                                     
                                                                                                            

Data buffer capacity :                    2MB                                                               
                                                                                                            

Noise :                                   50dB 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)

IBM is a registered trademark and IDRC is a trademark of International Business Machines Corporation.

Physical Specifications

Dimensions :                                          

Height × Width × Depth                                
                                                                                                            

M2483B /BD /H /HD :                                   127mm × 217mm × 400mm                                 
M2483K /KD :                                          127mm × 217mm × 380mm                                 
M2485B /BD /H /HD /K /KD :                            282mm × 222mm × 440mm                                 
M2485B1 /BD1 /H1 /HD1 /K1 /KD1 :                      282mm × 222mm × 650mm                                 
                                                                                                            

Weight :                                              kg. (lbs)                                             
                                                                                                            

M2483B /BD /H /HD :                                   12 (26.4)                                             
M2483K /KD :                                          12 (26.4)                                             
M2485B /BD /H /HD /K /KD :                            20 (44.1)                                             
M2485B1 /BD1 /H1 /HD1 /K1 /KD1 :                      30 (66.1)                                             
                                                                                                            

Ambient temperature (operating) :                     10ºC to 40ºC                                          
                                                                                                            

Relative humidity (operating) :                       20% to 80% non-condensing                             
                                                                                                            

Wet bulb :                                            29ºC                                                  
                                                                                                            

Altitude (operating) :                                up to 1,800 metres (6,000 ft)                         
                                                                                                            

Power requirements :                                                                                        
                                                                                                            

DC for for drive unit :                               +24v (+10%, -7%)  4.0A                                
                                                                                                            

                                                      +12v ±7%  2.0A                                        
                                                                                                            

                                                      +5v ±5%  16.0A                                        
                                                                                                            

                                                      -5v ±5%  5.0A                                         
                                                                                                            

AC for optional power supply :                        100 to 240 VAC auto switching                         
                                                                                                            

Recorded Cartridges

Temperature :        5 to 37 deg C          
                                            

Humidity :           5 to 80% RH            
                                            

Max. Wet Bulb :      27 deg. C              
                                            

Blank Cartridges

Temperature :        -23 to 48 deg C        
                                            

Humidity :           5 to 100% RH           
                                            

Max. Wet Bulb :      27 deg. C              
                                            

Safety and EMI Standards

UL 1950

CSA 22.2 No. 950

EN60 950

VCCI Class I

FCC Class A

VDE Class B (conformity)