7207 Model 122 4GB External SIRS 1/4-Inch Cartridge Tape Drive 
 
Dimensions 
Height     55 mm  2.2 in.    
Width     250 mm  9.8 in.    
Depth     275 mm  10.8 in.    
Weight     3.4kg  7.5 lbs    
Electrical 
Power source loading  0.03 @ 120 V ac 
(typical in kVA)    
Voltage range (V ac)  100 to 125 or 200 to 240 (autoranging) 
Frequency (hertz)  50 or 60 
Thermal output 
(typical) 
76 Btu/hr 
Power requirements 
(typical) 
22 watts 
Power Factor  0.3 to 0.6 
Maximum altitude  2135 m (7000 ft.) 
Temperature 
Requirements 
Operating
5 to 45°C
(41 to 113°F)
 
Non-Operating
-40 to 60°C
(-40 to 140°F)
 
Humidity 
Requirements 
Operating  Non-Operating 
(Noncondensing)  8 to 80%  10 to 90% 
Wet Bulb  26°C (79°F)  29°C (84°F) 
Noise Emissions¹  Operating  Idle 
L
WAd 
6.6 bels  5.3 bels 
L
pAm 
N/A  N/A 
<L
pA
>
m 
46 dBA  40 dBA 
Impulsive or 
prominent discrete 
tones
 
No  No 
Clearances  Front  Back  Left  Right 
Install/Air Flow²  152 mm(6 in)  152 mm(6 in)  N/A  N/A 
Service  152 mm(6 in)  N/A  N/A  N/A 
Footprint
2 
Width
250mm(9.8 in) 
Depth
579mm(22.8 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.
 
 
 
 
Chapter 8. Physical Characteristics of the 7200 Series  297