8Item Requirements ResultLightning protection• The grounding cable of the chassis is well grounded.• The grounding terminal of the AC power receptacle is wellgrounded.• A port lightning arrester is installed. (Optional)• A power lightning arrester is installed. (Optional)• A signal lightning arrester is installed at the input end ofan external signal cable. (Optional)Electricity safety• Equip an uninterrupted power supply (UPS).• In case of emergency during operation, switch off theexternal power switch.Workbench • The workbench is stable enough• Well groundingRack-mountingrequirements• Install the router in an open rack if possible. If you installthe router in a closed cabinet, make sure that the cabinet isequipped with a good ventilation system.• The rack is sturdy enough to support the weight of therouter and installation accessories.• The size of the cabinet is appropriate for the router.• The front and rear of the cabinet are at least 0.8 m (31.50in) away from walls or other devices.Safetyprecautions• The router is far away from any moist area and heat source.• The emergency power switch in the equipment room is located.Tools • Installation accessories supplied with the router• User supplied toolsReference • Documents shipped with the router• Online documents
