Dell
LpA: Average bystander A-Weighted sound pressure level. The system is placed in a rack with its
bottom at 25 cm from the floor. The acoustic transducers are at the four bystander positions, ref
ISO7779 (1999) Section 8.6.2.
Prominent tone: Criteria of D.5 and D.8 of ECMA-74 9th ed. (2005) are followed to determine if
discrete tones are prominent. The system is placed in a rack with its bottom at 75 cm from the floor.
The acoustic transducer is at front bystander position, ref ISO7779 (1999) Section 8.6.2.
PowerEdge R710 Technical Guide
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