H3C Technologies H3C MSR 2600 - Manual (Page 13)

6
Item Requirements Result
Temperature 0°C to 45°C (32°F to 113°F).
Relative humidity 5% to 90% (noncondensing).
Cleanness
• Dust concentration ≤ 3 × 10 4 particles/m 3 .
• No visible dust on desk within three days.
ESD prevention
• The equipment and floor are correctly grounded.
• The equipment room is dust-proof.
• The humidity and temperature are at acceptable
levels.
• Wear an ESD wrist strap and uniform when
touching a circuit board.
• Place the removed 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
interface module.
EMI prevention
• Take effective measures to protect the power
system from the power grid system.
• Separate the protection ground of the router from
the grounding device or lightning protection
grounding device as far as possible.
• Keep the router 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 correctly
grounded.
• The grounding terminal of the AC power
receptacle is correctly 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.)
Electricity safety
• Equip an uninterrupted power supply (UPS).
• In case of emergency during operation, switch off
the external power switch.
Workbench
• The workbench is stable enough.
• The workbench is correctly grounded.
Rack-mounting
requirements
• The rack is equipped with a good ventilation
system.
• The rack is sturdy enough to support the weight of
the router and installation accessories.
• The size of the rack is appropriate for the router.
• The front and rear of the rack are at least 0.8 m
(2.62 ft) away from walls or other devices.
Safety
precautions
• The router is far away from any moist area and heat source.
• The emergency power switch in the equipment room is located.