Dell PowerEdge T310 Especificações descarregar pdf (Página 30)

Dell

PowerEdge T310 Technical Guide 29

5.3 Acoustics

The acoustical design of the PowerEdge T310 reflects the following:

• Adherence to Dell’s high sound quality standards. Sound quality is different from sound

power level and sound pressure level in that it describes how humans respond to annoyances

in sound, like whistles, hums, etc. One of the sound quality metrics in the Dell specification is

prominence ratio of a tone, and this is listed in the table below.

• Office environment acoustics. Compare the values for LpA in the table below and note that

they are lower than ambient measurements of typical office environments. (Typical office

environment placement of tower servers is under a desk, not at the desktop level.)

• Noise ramp and descent at bootup. Fan speeds hence noise levels ramp during the boot

process in order to add a layer of protection for component cooling in the case that the system

were not to boot properly.

• Noise levels vs. configurations. As shown in the table below, the noise level may slightly

differ from 41 dBA to 45 dBA when the PowerEdgeT310 is configured with different types or

quantities of DIMMs, hard drives, RAID cards, and power supplies.

Acoustical specifications are shown in Table 6.

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 72 73

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Cateye CC-HB100 Manual de usuario (20 paginas)

Marca: Cateye | Categoria: For bicycles | Tamaño: 0.37 MB |

Tabla de contenidos

CC-HB1OO

Introduction

Main Unit

Accessories/Attachments

Wireless Heart Rate Sensor

For Safe Operations

Button Functions

How to Use as a Cyclocomputer

2. Mounting to Bicycle

4. Power Saving Function

1. Wireless Heart Rate Sensor

2. Before Attaching

Measuring and Display

Heart Rate Training

Troubleshooting

Replacing Battery

Replacing Electrode Belt

Spare Accessories

Specifications

Limited Warranty

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