Linkskey LKS-SG9P4 - Manual (Page 7)

9-port Gigabit Ethernet Switch with 4-port PoE
5
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 provided with 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: If needed to open the device’s housing, please contact Linkskey 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
Environment Temperature Humidity
Operating 14ºF ~ 113ºF (-10ºC ~ 45ºC) 10% ~ 90% RH (Non-condensing)
Storage -40ºF ~ 158ºF (-40ºC ~ 70ºC) 5% ~ 90% RH (Non-condensing)