Allied Telesis AT-8550SP - Manual (Page 83)

AT-8500 Series Fast Ethernet Switch Installation Guide
83
RJ-45 Twisted Pair Port Pinouts
Figure 28 illustrates the pin layout of an RJ-45 port.
Figure 28 RJ-45 Port Pin Layout
Table 10 lists the RJ-45 pin signals for the 10/100Base-TX ports on the
AT-8524M, AT-8550GB, and AT-8550SP switches.
Table 10 10/100Base-TX Port MDI/MDI-X Pin Signals
Pin MDI Signal
MDI-X
Signal
1 TX+ RX+
2 TX- RX-
3 RX+ TX+
4 Unused Unused
5 Unused Unused
6 RX- TX-
7 Unused Unused
8 Unused Unused
Pin 1