HP Jetdirect 250m HP Jetdirect 200m Print Server (English) User Guide - Page 11
Wiring: thin coax, devices along its length using
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NETWORKS DETAIL Wiring: thin coax An alternative to twisted-pair wiring is thin coaxial cabling, often called thin coax. This cabling is known as RG-58A or RG-58U cable, and has an impedance of 50 ohms. (It looks similar to the 75-ohm thin coaxial cable used in television installations, but the television cable will not work in a network.) The connectors used with thin coax are BNC connectors. The cable is a continuous cable, up to 185 meters (606 feet) long, made up of shorter segments with BNC connectors at each end. It connects to computers and other devices along its length using BNC "T" connectors, and there is a 50-ohm terminator at each end of the cable. This cabling scheme does not use a hub. A thin coaxial LAN operates at a data rate of 10 mbps (megabits per second), and is known as a type 10Base2 network.