MDI-X port

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MDI-X port

(Medium Dependent Interface-crossed) A port on a network hub or switch that crosses the transmit lines coming in to the receive lines going out. The X stands for "crossed." See MDI port and crossover cable.
References in periodicals archive ?
The new appliance combines deep inspection firewall, IPSec VPN, gateway anti-virus, intrusion prevention, and content filtering capabilities with a wire-speed, 24-port auto-sensing MDIX Layer 2 switch.
Unlike the two-port option in the TELE3 TZ, announced in May 2002, the TELE3 TZX features an auto-sensing, four-port MDIX switch to protect work networks from multiple home systems on a shared broadband connection.
Not only does the copper 10/100/1000 Gigabit port auto-negotiate to adjust for appropriate speeds among 10Mbps, 100Mbps, and 1000Mbps (1Gbps) network devices, its MDI/MDIX feature detects the type of network cable plugged into it, then selects the correlating MDI or MDIX setting so that any CAT5 cable will work, whether straight-through or crossover.