Chapter 8. Physical Characteristics of the 7200 Series
This chapter provides the physical characteristics for the 7200 series of external devices. The following
information can help you plan for your external devices. This section also gives the physical characteristics
for the 4869 Model 002 5 1/4-inch 1.2MB external diskette drive. You need only do physical planning for
the devices you have ordered.
Note: Footprints are not drawn to scale. Where a footprint is shown, the figure represents a top view of
the device.
7202 Model 900 Expansion Rack
Dimensions
Height 1578 mm 62.0 in.
Width 650 mm 25.5 in.
Depth 921 mm 36.0 in.
Weight
Minimum 136 kg 300 lbs.
Maximum 470 kg 1035 lbs.
Electrical¹
Power source loading 0 .004
(typical in kVA)
Voltage range (V ac) 200 to 240 or -48V dc
Frequency (hertz) 50 or 60
Thermal output (typical) 15 Btu/hr
Power requirements (typical) 4 watts
Power factor 0.5 to 0.7
Maximum altitude 2135 m (7000 ft.)
Temperature Requirements Operating
10 to 40°C
(50 to 104°F)
Non-Operating
10 to 52°C
(50 to 125°F)
Humidity Requirements Operating Non-Operating
(Noncondensing) 8 to 80% 8 to 80%
Wet Bulb 27°C (80°F) 27°C (80°F)
Noise Emissions²³ Operating Idle
L
WAd
6.2 bels 6.0 bels
L
pAm
N/A N/A
<L
pA
>
m
48 dBA 46 dBA
Impulsive or prominent discrete tones No No
Clearances Front Back Left Right
Install/Air Flow Maintenance of a proper service clearance should allow proper air flow.
Service 1650 mm(65 in) 760 mm(30 in) 915 mm(36 in) 915 mm(36 in)
1. No features installed.
2. See “Noise Emission Notes” on page 336 for definitions of emissions positions.
3. Noise emissions data for the 7202 Model 900 is based on the following configuration:
v two 9334 Model 10 Drawers with two disk drives in each and
v two 9334 Model 10 Drawers with three disk drives in each.
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