FNSW-16/24 User's Manual
21
7 RJ-45 PIN ASSIGNMENT
Pin
Numbered Ports
(MDI-X port)
Uplink Port (MDI-II port)
1 Input Receive Data + Output Transmit Data+
2 Input Receive Data - Output Transmit Data-
3 Output Transmit Data+ Input Receive Data +
6 Output Transmit Data- Input Receive Data -
4,5,7,8 Not used Not used
Schematics for both straight and crossover twisted-pair cable are
shown below. (Note that crossover cable is only required if you
cascade hubs via the RJ-45 station ports; i.e. the Uplink port is not
used.)
7.1 Straight-Through/Crossover Cable
The pin assignment of the cables both ends should be as below:
Straight-through Crossover
Hub (MDI-X) Adapter(MDI-II) Hub (MDI-X) Hub (MDI-X)
Pin 1 Pin 1 Pin 1 Pin 3
Pin 2 Pin 2 Pin 2 Pin 6
Pin 3 Pin 3 Pin 3 Pin 1
Pin 6 Pin 6 Pin 6 Pin 2
213
6
1
2
3
6
2136
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