Manual-ESML8P-PC2_Series-Rev1211
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RJ-45 Pin Assignments of PoE
2.4
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
Signal
1
RX+
2
RX-
3
TX+
4
VCC -
5
VCC -
6
TX-
7
VCC +
8
VCC +
Pin out of PoE Midspan Hub/Switch
Pin
Signal / Name
1
RX+
2
RX-
3
TX+
4
VCC+
5
VCC+
6
TX-
7
VCC-
8
VCC-
Pin out of PoE Endspan Hub/Switch
Pin
Signal / Name
1
TX+/VCC+
2
TX-/VCC+
3
TX+/VCC-
4
5
6
TX-/VCC-
7
8
Note
‘+’ & ‘-‘signs represent the polarity of the wires that make up each wire pair. Before you
power the PD, please check pin assignments of the RJ-45 connector follow IEEE802.3af standard.