Installation Manual
H3C SecPath F1000-E Firewall
Chapter 3 Preparing for Installation
3-8
3.4 Checklist Before Installation
Table 3-4
Checklist before installation
Item
Requirements
Ventilation
There is a minimum clearance of 10 cm (3.9
in.) around the inlet vents and exhaust vents
for heat dissipation of the firewall chassis.
A ventilation system is available at the
installation site.
Temperature
0°C to 45°C (32°F to 113°F)
Relative humidity
10% to 95% (noncondensing)
Cleanness Dust
concentration
≤
3 × 10
4
particles/m³
ESD prevention
The equipment and the 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 memory module, CF card,
or HIM 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 memory module, CF card, or HIM.
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 PGND cable of the chassis is well
grounded.
The grounding terminal of the AC power
socket is well grounded.
A port lightning arrester is installed. (Optional)
A power lightning arrester is installed.
(Optional)
A signal lightning arrester is installed at the
input end of an external signal cable.
(Optional)
Installation
site
Electricity safety
Equip an uninterrupted power supply (UPS).
In case of emergency during operation, switch
off the external power switch.
