H3C Technologies H3C S7500E Series Switches - Manual (Page 139)

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Figure 74 Straight-through cable
Figure 75 Crossover cable
Pin assignments
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). For the pinouts of RJ-45 Ethernet
ports, see Table 82 and Table 83 .