1. In order to safety, please non-professionals do not open the casing of product.
2. Please be careful of the risk of strong current and security protection when products carry power.
3. Please select the right power adaptor to provide power for PoE switch, before using please confirm if is it accord with the requirement of PoE switch.
4. Please do not use PoE switch under the humid environment, avoiding water go into the product inside caused PoE switch breakdown.
5. Please start the power after the circuit connected.
6. Please do not the plug-in and plug-out the connection cable when the product is carrying on power.
7. Please do not use PoE switch under somewhere with more dust and EME.
8. Please do not put a heavy thing on PoE switch, in order to have an accident.
9. According to the IEEE802.3AF/AT standard, please use the Cat.5 or above, transmission distance 250m.
10. Please do not exceed the maximum output power of PoE switch when it connects more than one PD device.
11. The suggestion that PoE switch use for indoor, if you want to use for outdoor, please install a waterproof box.