User Guide
II
Safety Guidelines
Observe the following safety guidelines to ensure your own personal safety and to help protect your
system from potential damage.
Basic Requirements
1. Keep the device strictly dry while storing, shipping and using;
2. Keep the device from fierce collision;
3. Follow the instructions provided in this manual to install the device;
4. Please contact the specified maintenance staff rather than remove the device on your own if any fault
happens.
Environmental Requirements
1. Temperature - Install the switch in a dry area, with ambient temperature between 0 and 40ºC (32 and
104ºF). Keep the switch away from heat sources such as direct sunlight, warm air exhausts, hot-air
vents, and heaters;
2. Operating humidity - The installation location should have a maximum relative humidity of 90%,
non-condensing;
3. Ventilation - Do not restrict airflow by covering or obstructing air inlets on the sides of the switch. Keep it
at least 10cm free on all sides for cooling. Be sure there is adequate airflow in the room or wiring closet
where the switch is installed;
4. Operating conditions - Keep the switch away from nearest source of electromagnetic noise, such as
photocopy machines, microwaves, cellphones, etc.
Use Notes
1. Use the provided accessories, such as the cable, mounting kit, etc;
2. Ensure the basic supply voltage standard must be met;
3. Keep the power plug clean and dry in case of electric shock or other dangers;
4. Keep your hands dry while plugging cables;
5. Shut down the device and power it off before plugging cables;
6. Disconnect the power supply and pull out all cables, such as the power cord, fiber, Ethernet cable, etc.
in lightening days;
7. Disconnect the power supply and pull out the plug if the device is out of use for a long time;
8. Keep the device far from water or other liquids;
9. Contact the specified maintenance staff if any problem occurs;
10. Do not tread on, drag or excessively bend its cable;
11. Do not use worn or aged cables;
12. Do not look the fiber interface in your eyes in case of eye damage;
14. Prevent some matters, such as metals, from entering the device through the ventilation hole;
15. Do not scrape or fray the device
’s housing shell in case of abnormal operation or human body allergic;
16. Keep the device out of children’s reaches.
Cleaning Notes
1. Shut down the device and pull out all cables before cleaning it;
2. Use soft cloth to clean the device
’s housing shell.
Environmental Protection
1. Throw the discarded device or batteries into the specified recycling places;
2. Observe local relevant packages, wasted batteries and discarded device processing acts and support
recycling action.
