HP A-F5000, Руководство по установке

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12
Checklist before installation
Table 6 Checklist before installation
Item Requirements Result
Ventilation
•
There is a minimum clearance of 10 cm (3.94 in)
around the inlet and exhaust vents for heat
dissipation of the firewall chassis.
•
A ventilation system is available at the installation
site.
Operating
temperature
0°C to 45°C (32°F to 113°F)
Operating
humidity
10% to 95%
Cleanness
•
Dust concentration ≤ 3 × 10
4
particles/m³
•
No dust on desk within three days
ESD prevention
•
The equipment and floor are well grounded.
•
The equipment room is dust-proof.
•
The humidity and temperature are at a proper level,
respectively.
•
Wear an ESD-preventive wrist strap and uniform
when touching a circuit board.
•
Place the removed CF card or interface module on an
antistatic workbench, with the face upward, or put it
into an antistatic bag.
•
Touch only the edges, instead of electronic
components when observing or moving a removed
CF card or interface module.
EMI prevention
• Take effective measures to protect the power system
from the power grid system.
•
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 well grounded.
•
The grounding terminal of the AC power receptacle
is well grounded.
Electricity safety
•
Equip an uninterrupted power supply (UPS).
•
In case of emergency during operation, switch off the
external power switch.
Installation site
Rack-mounting
requirements
•
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 at least 0.8 m
(31.50 in) away from walls or other devices.