IBM 6H0, Service Manual

Page: 82 / 561

I/O Drawer
The mechanical packaging, cooling, power supply, and environmental requirements for
the I/O drawer are shown in the following table:
Dimensions
Height 218.0 mm 8.6 in.
Width 445.0 mm 17.5 in.
Depth 820.0 mm 32.3 in.
Weight
Minimum configuration 41 kg 90 lbs.
Maximum configuration 52 kg 115 lbs.
Electrical
Power source loading (typical in
kVA)
0.23
Power source loading
(maximum in kVA)
0.54
Voltage range 200 to 240 V ac
Frequency (hertz) 50 / 60
Thermal output (typical) 750 Btu/hr
Thermal output (maximum) 1750 Btu/hr
Power requirements (typical) 220 watts
Power requirements (maximum) 515 watts
Power factor 0.95
Inrush current ³ 41 amps
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 125.6°F)
Humidity (Noncondensing) Operating Non-Operating
Without tape drive 8 to 80% 8 to 80%
With tape drive 20 to 80% 20 to 80%
Wet Bulb Requirements
Without tape drive 27°C (80°F) 27°C (80°F)
With tape drive 23°C (73°F) 27°C (80°F)
Noise Emissions
1,2
Operating Idle
L
WAd
5.8 bels 5.8 bels
L
pAm
N/A N/A
<L
pA
>
m
45 dBA 45 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 (See “System Service Clearances” on page 65)
62
Service Guide