Chapter 2 Installation
2.1 Safety Precautions
To avoid any device damage and bodily injury caused by improper use, please
observe the following rules.
"Keep the power off during the installation;
"Wear an ESD-preventive wrist strap, and make sure that the wrist strap has a
good skin contact;
"Use only the power supply provided with the switch;
"Make sure that the supply voltage matches the specifications identified on the
power adapter of the switch;
"Ensure the vent hole is well ventilated and unblocked;
"Do not open or remove the housing of the switch.
"Before cleaning the switch, power off the power supply. Do not clean it by the
waterish cloth, and never use any other liquid cleaning method.
"Keep the switch away from nearest source of high voltage, such as power
lines, electric lamps, grids, etc.
Note: There is a TN unpacking seal on one of the screws. If you want the
local reseller maintain your device, the seal should be kept unbroken. Before you
open the device’s housing, please contact the local reseller to get permission, or
you have to be responsible for the result that the device cannot be maintained
because of unpermitted operation.
2.2 Site Requirements
Operating Temperature and Humidity
Requirements of temperature and humidity to the switch are shown as Table 2-1.
Table 2-1 Temperature and Humidity Requirement
