• Use plenum-rated cable when it is necessary for safety and re rating requirements.
Consult your local building codes to determine when it is appropriate to use
plenum-rated cable, or refer to IEC standard 850.
• Keep all ports and connectors free of dust.
Figure 30: Properly Installed and Bundled Cable
1 = Ensure adequate slack and bend radius
Handle Fiber Optic Cable
Fiber optic cable must be handled carefully during installation.
Every cable has a minimum bend radius and bers will be damaged if the cables are
bent too sharply. It is also important not to stretch the cable during installation. Ensure
Site Preparation Install Cable
ExtremeSwitching 5420 Series Hardware Installation Guide 47
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