Cables and Pinouts
B-2
B
Straight-Through Wiring
Because the 10/100 Mbps port on the access point uses an MDI pin configuration,
you must use “straight-through” cable for network connections to hubs or switches
that only have MDI-X ports. However, if the device to which you are connecting
supports auto-MDIX operation, you can use either “straight-through” or “crossover”
cable.
Table B-1. 10/100BASE-TX MDI Port Pinouts
Pin MDI Signal Name
1 Transmit Data plus (TD+)
2 Transmit Data minus (TD-)
3 Receive Data plus (RD+)
4 GND (Positive Vport)
5 GND (Positive Vport)
6 Receive Data minus (RD-)
7 -48V feeding power (Negative- Vport)
8 -48V feeding power (Negative- Vport)
Note: The “+” and “-” signs represent the polarity of the wires that
make up each wire pair.
White/Orange Stripe
Orange
White/Green Stripe
Green
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
EIA
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