H3C Technologies H3C SecPath U200-A U200-M U200-S - Manual (Page 22)

13
Item Requirements Result
EMI prevention
• Take effective measures to protect the power
system from the power grid system.
• Separate the protection ground of the UTM
device from the grounding UTM device or
lightning protection grounding UTM device as far
as possible.
• Keep the UTM device far away from radio
stations, radar and high-frequency UTM devices
working in high current.
• Use electromagnetic shielding when necessary.
Lightning
protection
• The grounding cable of the chassis is well
grounded.
• The grounding terminal of the AC power
receptacle is well grounded.
• A port lightning arrester is installed. (Optional)
• A power lightning arrester is installed. (Optional)
Electricity safety
• Equip an uninterrupted power supply (UPS).
• In case of emergency during operation, switch off
the external power switch.
Space
• Reserve at least 10 cm (3.94 in) of clearance at
the air inlet and exhaust vents for ventilation.
• The rack or workbench has a good ventilation
system.
Workbench The workbench is sturdy and well grounded.
Rack-mounting
requirements
• Install the UTM device in an open rack if possible.
If you install the UTM device in a closed cabinet,
make sure the cabinet is equipped with a good
ventilation system.
• The rack is sturdy enough to support the weight of
the UTM device and installation accessories.
• The size of the rack is appropriate for the UTM
device.
• The front and rear of the rack are at least 0.8 m
(2.62 ft) away from walls or other UTM devices.
Safety
recommendations
• Do not place the switch near water or in a damp environment.
Prevent water or moisture from entering the switch chassis.
• Locate the emergency power-off switch in the room before
installation. Shut the power off at once in case accident occurs.
Tools
• Installation accessories supplied with the UTM device
• User supplied tools
Reference
• Documents shipped with the UTM device
• Online documents