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Gigabit Web Smart Switch User's Guide
TL-SG2109WEB/TL-SL2210WEB/TL-SL2218WEB/TL-SL2428WEB/TL-SL2452WEB
 
SFP module support hot-plugging, plug the SFP module into the SFP port and 
the switch can identify it automatically.
3.3  Note
The surface on which the switch is placed should be adequately secured  
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to prevent it from becoming unstable and/or falling over.
Ensure the power source circuits are properly grounded. 
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Ensure the power cable, extension cable, and/or plug is not damaged. 
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Ensure the switch is not exposed to water. 
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Ensure the switch is not exposed to radiators and/or heat sources. 
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Do not push foreign objects into the switch, as it may cause a fire or  
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electric shock.
Allow the switch to cool before removing covers or touching internal  
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equipment.
Use the switch only with approved equipment. If the switch is connected to  
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other network devices with UTP cable, ensure that the cable is not more 
than 100 meters .