H3C Technologies H3C SecPath F5000-S Firewall - Manual (Page 77)

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Figure 48 Straight-through cable
Figure 49 Crossover cable
Select an Ethernet twisted pair cable according to the RJ-45 Ethernet port type on your device. An RJ-45
Ethernet port can be MDI (for routers and PCs) or MDIX (for switches). Table 36 and Table 37 show their
pinouts.
Table 36 RJ-45 MDI port pinouts
Pin
10Base-T/100Base-TX 1000Base-T
Signal Function Signal Function
1 Tx+ Sends data BIDA+ Bi-directional data cable A+