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Safety Instructions
Safety Instructions
CAUTION: Circuit devices are sensitive to static electricity, which can damage their delicate electronics. Dry weather conditions or
walking across a carpeted floor may cause you to acquire a static electrical charge.
To protect your device, always:
• Touch the metal chassis of your computer to ground the static electrical charge before you pick up the circuit device.
• Pick up the device by holding it on the left and right edges only.
• If you need to connect this device with outdoor devices, then you must add an arrester on the cable between the outdoor
device and this device.
NOTE: The switch is an indoor device; if it will be used in outdoor environment or connects with some outdoor device,
use a lightning arrester to protect the switch.
WARNING:
• Do not demolish the product. If damage is caused by self-demolition, you will be charged a fee for repair.
• Do not place the product outdoors or in a sandstorm.
• Before installation, make sure the input power supply and product specifications are compatible with each other.
• To reduce the risk of electric shock, disconnect all AC or DC power cords and cables to completely remove power from the unit.
• Before importing/exporting a configuration, make sure the firmware version is the same.
• After a firmware upgrade, the switch will replace the configuration automatically with the latest firmware version.
