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Power over Ethernet is a simple way of providing power for an access point on the roof. Passive PoE uses free wires in the Ethernet cable and sends the equipment's power along them to the far end. Over a short distance, it's usually possible to use the power adapter supplied as standard with the access point or with other network elements which we wish to connect along the Ethernet cable. If the loss of the voltage on the wiring along longer lengths of Ethernet cable is too high, it is possible to use another more powerful power adapter, to eliminate this loss of voltage.
1. What kind of devices/APs are suitable for using Passive PoE?
OvisLink, D-Link, Linksys, Wline, Bufallo WHR-HP-G54,etc..
2. What is the difference between Passive PoE and Active PoE?
Active PoE has active components inside and it is able to transfer power up to 100 metres. Passive PoE uses free wires in the Ethernet cable and sends the equipment's power along them to the far end. Passive PoEs range is about 30 to 40 metres that covers the needs of up to 90% of users according to our statisitics.
3. What kind of voltage can Passive PoE handle?
It is a passive component which means that any kind of voltage is available. Passive PoE does not come with any power supply. It uses the power supply from AP.
4. What is the maximum distance for using Passive PoE?
The distance that Passive PoE can transfer power depends on the device/AP and the type of cable. General range for using it is about 30 to 40 meters.
5. Does Passive PoE need any power supply?
No, it does not. Passive PoE is a passive component which means that it uses the power supply from AP.
6. What kind of connector does Passive PoE use?
It uses DC 5,5 x 2,1 mm.
7. Is it possible to connect Passive PoE to IP camera or IP telephone?
Yes, it is. Passive PoE works with IP camera and IP telephone but it is recommended to check if the conector is DC 5,5 x 2,1 mm before using.