Rj-45 pin assignments of poe – Allied Telesis AT-IFS802SP/POE User Manual
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AT-IFS802SP/POE(W)-80 User Manual
RJ-45 Pin Assignments 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
Signal
1
RX+
2
RX-
3
TX+
4
VCC -
5
VCC -
6
TX-
7
VCC +
8
VCC +
Pin out of Cisco non-802.3af standard PD
•
Pin
Signal / Name
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
TX+/VCC+
2
TX-/VCC+
3
TX+/VCC-
4
5
6
TX-/VCC-
7
8
Pin out of PoE Endspan Hub/Switch
•
[note]
‘+’ and ‘-‘ signs represent the polarity of the wires that make up each wire pair.
Before you power 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.