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RJ-45 Pin Assignment of PoE
With 100BASE-TX/10BASE-T cable, pins 1 and 2 are used for transmitting data, and pins
3 and 6 for receiving data; pins 4, 5, 7 and 8 are used for power supplying.
Pin out of Cisco non-802.3af standard PD
Pin out of PoE Midspan Hub/Switch
Pin out of PoE Endspan Hub/Switch
‗+' and ‗-‗ signs represent the polarity of the wires that make up each wire pair. Before you power
Note
PD, please check the RJ-45 connector pin assignment follow IEEE802.3af standard; otherwise you
may need to change one of the RJ-45 connector pin assignment attached with the UTP cable.
116
Pin
1
2
3
4
5
6
7
8
Pin
Signal / Name
1
2
3
4
5
6
7
8
Pin
Signal / Name
1
TX+/VCC+
2
TX-/VCC+
3
TX+/VCC-
4
5
6
7
8
Manual Documentation Number EIRP610-2SFP-T – 0912m
RJ-45 Pin Assignment
Signal
RX+
RX-
TX+
VCC -
VCC -
TX-
VCC +
VCC +
RX+
RX-
TX+
VCC+
VCC+
TX-
VCC-
VCC-
TX-/VCC-
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