6
Item Requirements
Lightning
protection
• The router is reliably grounded.
• The AC power receptacle is reliably grounded.
• (Optional.) Port lightning protectors are available. A signal
lightning arrester is required at the input end of an external signal
cable.
• (Optional.) Power lightning protectors are available.
Electricity safety
• A UPS is available.
• The external power switch is located so to shut off the power
immediately when an accident occurs.
Workbench
• The workbench is stable.
• The workbench is reliably grounded.
Safety
precautions
• The router is far away from any sources of heat or moisture.
• The emergency power switch in the equipment room is identified and accessible.
Tools
• Installation accessories supplied with the router are ready.
• User-supplied tools are ready.
Reference
• Documents shipped with the router are available.
• Online documents are available.