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  5. Physical support for native 10 Mbps Ethernet

Article | REF: S8162 V1

Ethernet as a field network: PROFINET standard

Author: Bruno BOUARD

Publication date: December 10, 2005

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4. Physical support for native 10 Mbps Ethernet

4.1 10Base5: coaxial support and its first industrial variant SINEC H1

10Base5 is Ethernet's native physical medium, supporting a transmission speed of 10 Mbit/s over the famous 10 mm thick coaxial cable, also known as yellow cable because of its color. The identifier "10Base5" is a contraction of the baseband transmission speed of 10 Mbit/s and the maximum segment length of 500 m. Stations are connected to the coaxial cable by means of a transceiver, or MAU (Medium Access Unit), mounted on the coaxial cable, and another cable called a drop cable to attach the station to the transceiver. For this purpose, stations have a 15-pin Sub-D connector called AUI (Attachement Unit Interface).

Note :

transceiver is a contraction...

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Physical support for native 10 Mbps Ethernet
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