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There are 8 wires in a standard network cable. Traditional network signal is using 4 wires (pin 1, 2, 3, 6) for transmission. PoE is using the unused wires (pin 4, 5, 7, 8) to send electrical signals. So there will be no conflict between them.
No, the device can be powered directly by the PoE Switch. Use a Ethernet CAT5 cable connect to the 802.3af built-in port and any (the first 12, for FGSW-2612PVS) of the 10/100Mbps TP port. The device can automatically be powered on.
For switch function, the three switches provide with 24 10/100Mbps TP ports. FGSW-2402PVS has 2 open slots for 10/100Base-TX, 1000Base-T and 100Base-FX, 1000Base-SX/LX fiber-optic interface. FGSW-2620PVS and FGSW-2612PVS have 2 fixed 10/100/1000Base-T RJ-45, SFP (mini GBIC), either TP or SFP.
For PoE function, FGSW-2620PVS and FGSW-2402PVS support 24 Power over Ethernet injector TP ports, that is, all the 24 10/100Mbps TP ports can supply 48VDC power to IEEE802.3af compliant Ethernet devices. The FGSW-2612PVS support only 12 Power over Ethernet TP ports. Only first 12 TP port support PoE function.
You can use a PoE splitter, such as PLANET POE-150S, to work as a power transformer between POE-1200/2400 and the Ethernet device. Three types of POE-150S are available for different voltage, 5VDC, 9VDC, and 12VDC.
No need to use power adapter when the device work with POE-1200/2400.
Once the POE-1200/2400 power off, you can use the power adapter to support power to your device. The network connection pass through POE-1200/2400 is still available to backend switch.
After power off POE-1200/2400, please wait for 10 seconds for device discharge before the next power on.
FSD-803PE only requires one power source, i.e. from POE or from 12V DC. By default, POE will be the first priority. However, if the POE device cannot provide sufficient power from the injector, or 12V DC power is just removed from the DC-jack, the "POE" LED will blink.
1. Powered from POE: please consult the network administrator if the POE device can provide the sufficient current or not.
2. Powered from 12VDC then POE: please remove all the power connection, i.e. both DC plug and port#1. And re-connect the port#1 to force the Switch detect its power system again.
