Appendix A: Technical Specifications
Electrical Safety and Emissions Standards
Twisted Pair Port Pin-outs
194
RFI Emissions
Immunity
Electrical Safety
Laser Safety
Figure 115 illustrates the pin layout of the RJ-45 port for those cards
described in this guide that feature a twisted pair port.
Figure 115 RJ-45 Port Pin Layout
Table 15 lists the RJ-45 pin signals for the 10/100Base-TX port.
Table 15. 10/100Base-TX Port MDI Pin Signals
EN55022 Class B, EN61000-3-2,
EN61000-3-3
EN55024
EN60950 (TUV), UL 60950 (
EN60825
Pin 1
Pin
MDI Signal
1
TX+
2
TX-
3
RX+
4
Unused
5
Unused
6
RX-
7
Unused
8
Unused
UL
)
C
US