Lightning Protection; Accessories; Installation Preparation Checklist - H3C WX5540E Installation Manual

Use electromagnetic shielding, for example, shielded interface cables, when necessary.
•

Lightning protection

To better protect the device from lightning, follow these guidelines:
Make sure the grounding cable of the chassis is well grounded.
•
Make sure the grounding terminal of the AC power receptacle is well grounded.
•
• Install a lightning protector at the input end of the power supply to enhance the lightning protection
capability of the power supply.

Accessories

Accessories are provided with the device.
Grounding cable
Console cable

Installation preparation checklist

Table 4 Installation preparation checklist
Item
Installation
site
M4 screw
Cage nut (user
supplied)
Requirements
•
Ventilation
•
Temperature 0°C to 45°C (32°F to 113°F)
Relative humidity 5% to 95% (noncondensing)
•
Cleanness
•
Front mounting
bracket
M6 screw (user
supplied)
There is a minimum clearance of 10 cm (3.9 in) around
the inlet and exhaust vents for heat dissipation of the
device chassis.
A ventilation system is available at the installation site.
Dust concentration ≤ 3 × 10
No dust on desk within three days
5
Rear mounting
bracket
ESD-preventive
Cable tie (user
wrist strap (user
supplied)
4 particles/m 3
Rubber feet
supplied)
Result