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Technical Specifications

Table 11 lists the RJ-45 port pin signals on the 10/100Base-TX ports on an

AT-8524POE switch.

Table 11 10/100Base-T Port MDI/MDI-X Pin Signals with PoE

Pin MDI Signal MDI-X Signal

1 TX+ and Vport-1

1. Vport-1 can be positive (+) or negative (-), depending

on the requirements of the powered device connected

to a port.

RX+ and Vport-1

2 TX- and Vport-1 RX- and Vport-1

3 RX+ and Vport-2

2. Vport-2 can be positive (+) or negative (-), depending

on the requirements of the powered device connected

to a port. If Vport-1 is positive, then Vport-2 will be

negative. If Vport-1 is negative, then Vport-2 will be

positive.

TX+ and Vport-2

4 Unused Unused

5 Unused Unused

6 RX- and Vport-2 TX- and Vport-2

7 Unused Unused

8 Unused Unused

1 2 ... 79 80 81 82 83 84 85 86 87 88 89 ... 113 114

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