?MDI-X Jacks:Use these jacks to connect stations to the hub. These are MDI-X(Medium-Dependent Interface, Cross-wired) jacks, which mean, you can use ordinary straight-through twisted-pair cables to connect user machines and servers to the hub through them. If you need to connect another device with an MDI-Xjack, such as another hub or an Ethernet switch, you should use a crossover cable, or make the connection using the MDI-Xjack (described below).
?Uplink Jack(s) (MDI-II):Use this jack to connect stations to the hub. This is an MDI-II(Medium-dependent Interface, straight- wired) jack, which means you can connect the hub to a device with an MDI-Xport using an ordinary straight-through cable, making a crossover cable unnecessary.
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