7205 Model 311 External DLT Tape Drive 
 
Dimensions 
Height     114 mm  4.8 in.    
Width     280 mm  11.0 in.    
Depth     292 mm  11.5 in.    
Weight 
Minimum     6.63 kg  15 lbs.    
Maximum     6.63 kg  15 lbs.    
Electrical 
Power source loading  0.135 
(typical in kVA)    
Voltage range (V ac)  100 to 127 or 200 to 240 (autoranging) 
Frequency (hertz)  50 or 60 
Thermal output 
(typical) 
208 Btu/hr 
Power requirements 
(typical)
 
61 watts 
Power factor  0.8 
Maximum altitude  2135 m (7000 ft.) 
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  23°C (73°F)  27°C (80°F) 
Noise Emissions¹  Operating  Idle 
L
WAd 
5.8 bels  5.5 bels 
L
pAm 
N/A  N/A 
<L
pA
>
m 
42 dBA  39 dBA 
Impulsive or 
prominent discrete 
tones
 
No  No 
Clearances  Front  Back  Left  Right 
Install/Air Flow²  152mm(6 in)  152mm(6 in)  N/A  N/A 
Service  152 mm(6 in)  N/A  N/A  N/A 
Footprint
2 
Width
280mm(11 in) 
Depth
597mm(23.5 in) 
1.    See “Noise Emission Notes” on page 336 for definitions of noise emissions positions. 
2.    The amount of space needed by the unit during normal operation is indicated by the footprint dimensions.
 
 
 
 
290  Site and Hardware Planning Information