6
Table 1 Pin Definitions of 10/100Base-T(X) RJ45 Port
Pin
MDI-X Signal
MDI Signal
1
Receive Data+ (RD+)
Transmit Data+ (TD+)
2
Receive Data- (RD-)
Transmit Data- (TD-)
3
Transmit Data+ (TD+)
Receive Data+ (RD+)
6
Transmit Data- (TD-)
Receive Data- (RD-)
4
，
5
，
7
，
8
Unused
Unused
Note
：
+" and "-" indicate level polarities.
Wiring Sequence
Figure 8 Connection Using Straight-through/Cross-over Cable
Note
：
The color of the cable for RJ45 connector meets the 568B standard: 1-orange and white, 2-
orange, 3-green and white, 4-blue, 5-blue and white, 6-green, 7-brown and white, and 8-brown.
4.2 Grounding
Grounding protects the device from lightning and interference. Therefore, you must ground
the device properly. You need to ground the switch before it is powered on and disconnect
the grounding cable after the device is powered off.
