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• Separate the protection ground of the firewall from
the grounding device or lightning protection
grounding device as far as possible.
• Keep the firewall far away from radio stations, radar
and high-frequency devices working in high current.
• Use electromagnetic shielding when necessary.
Lightning
protection
• The grounding cable of the chassis is reliably
grounded.
• The grounding terminal of the AC power receptacle is
reliably grounded.
• (Optional.) A power lightning arrester is installed.
Electricity safety
• Equip a UPS.
• Locate the power switch in the equipment room. In
case of emergency during operation, switch off the
power switch.
Rack-mounting
requirements
• Make sure the cabinet is equipped with a good
ventilation system.
• The rack is sturdy enough to support the weight of the
firewall and installation accessories.
• The size of the rack is appropriate for the firewall.
• The front and rear of the rack are a minimum of 0.8 m
(31.50 in) away from walls or other devices.
Safety
precautions
• The firewall is far away from any moist area and heat source.
• The emergency power switch in the equipment room is located.
Tools and
accessories
• Installation accessories supplied with the firewall
• User-supplied tools
Reference
• Documents shipped with the firewall
• Online documents