Siemens SIMATIC NET Operating Instructions Manual - Page 22

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Siemens SIMATIC NET Operating Instructions Manual
Description of the device
3.5 Power over Ethernet (PoE)
Power supply and pin assignment
The voltage is transferred on the data wires 1, 2, 3 and 6 of the Ethernet cable.
With the RJ-45 plug, the pin pairs 1/2 are used for the negative and 3/6 for the positive
power supply.
Figure 3-1
Pin number
Pin 8
Pin 7
Pin 6
Pin 5
Pin 4
Pin 3
Pin 2
Pin 1
22
RJ-45 jack
Assignment
-
-
positive power supply
-
-
positive power supply
negative power supply
negative power supply
Extender for SCALANCE XM-400
Operating Instructions, 05/2014, C79000-G8976-C332-03