IBM 8500R - Netfinity - 8681, Hardware Maintenance Manual, Page: 49 / 290

Acoustical noise emission values
Declared (upper limit) sound power levels
Ÿ
Netfinity 8500R server (rack server)
– 6.1 bels operating
– 6.1 bels idle
Ÿ
Netfinity 8500R server (tower option)
– 6.2 bels operating
– 6.2 bels idle
Mean value of the A-weighted sound pressure levels at
the bystander (1 meter) position
Ÿ
Netfinity 8500R server (rack server)
– 45.0 dB operating
– 45.0 dB idle
Ÿ
Netfinity 8500R server (tower option)
– 43.5 dB operating
– 43.0 dB idle
Heat output
Ÿ
Approximate heat output
in British thermal units (Btu) per hour:
–
Minimum configuration: 1700 Btu/hr.
– Maximum configuration: 7000 Btu/hr.
Safety standards
Ÿ
UL 1950, Third Edition
Ÿ
CSA C22.2 No. 950-95
Ÿ
EN 60950 and countries deviations
Ÿ
IEC 950
Ÿ
NOM-019
Notes
1. These levels are measured in controlled
acoustical environments according to ISO 7779,
and are reported in accordance with ISO 9296.
The declared sound power levels indicate an
upper limit, below which a large portion of
machines operate.
2. These values apply to a random sample of
machines.
3. There is no impulsive noise, and there are no
prominent tones.
4. For additional information on the Netfinity 8500R
server (tower option), refer to IBM Netfinity
Rack-to-Tower Conversion Kit Installation
Instructions.
Netfinity 8500R - Type 8681
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