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 × 104 particles/m3.
•
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.
Summary of Contents for MSR 26-00-10
Page 16: ...9 Figure 2 Installation flow ...
