Extreme 10808 安装指南

BlackDiamond 8800 Series Switches Hardware Installation Guide

Acoustic Sound (BlackDiamond 8810 Switch with AC Power Supplies)

Sound power in accordance with 
EN 300 753 (10-1997)

Sound power

Normal: 70 dBA per ISO 7779 
High: 75 dBA per ISO 7779   

Declared sound power

Normal: 7.2 belsA per ISO 7779 & ISO 9296
High: 7.7 belsA per ISO 7779 & ISO 9296 

Sound pressure in accordance 
with NEBS GR-63 Issue 2 

Bystander sound pressure

Normal: 64 dBA front side @ 0.6m
High: 67 dBA rear side @ 0.6m