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
•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.
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