Chapter 6. Physical Characteristics of the 3000 Series 
This chapter provides the physical characteristics for the 3000 series of external devices.The following 
information can help you plan for your external devices. You need only do physical planning for the 
devices you have ordered. 
Note:   Footprints are not drawn to scale. 
3490E Enhanced Magnetic Tape Subsystem C11 and C22 
 
Dimensions 
Height     622 mm  24.5 in    
Width     479 mm  18.6 in    
Depth     885 mm  34.9 in    
Weight 
C11     90 kg  198 lbs    
C22     118 kg  260 lbs    
Electrical 
Power source loading    
(typical in kVA)    
C11  0.57 
C22  0.90 
Temperature 
Requirements 
Operating
16 to 32°C
(60 to 90°F)
 
Non-Operating
10 to 43°C
(50 to 110°F)
 
Humidity 
Requirements 
Operating  Non-Operating 
(Noncondensing)  20 to 80 %  20 to 80 % 
Wet Bulb  25.6°C (78°F)  25.6°C (78°F) 
Noise Emissions*  Operating  Idle 
L
WAd 
C11  6.1 bels  5.8 bels 
C22  6.4 bels  6.3 bels 
Clearances  Front  Back  Left  Right 
Service  Install so that it can be moved to an area providing 760 mm (30 in) on each side. 
* See “Noise Emission Notes” on page 336 for definitions of noise emissions positions. 
 
 
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