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4.2 10BASE2 Components

Network Medium

The thin Ethernet system is based on thinner (approximately 0.5 cm or 3/16th of an inch) coaxial cable that is more flexible and easier to deal with than the thick Ethernet variety. The cable must have a 50 ohm characteristic impedance rating, and a stranded center conductor. These specifications may be met by cable types RG 58 A/U or RG 58 C/U, but cable vendors sometimes use these cable numbers for cables with different impedance ratings. It's up to you to make sure that the cable you purchase meets the media specifications.

One way to do this is by using cable specifically designed and rated by the cable vendor for use as thin Ethernet coax. Thin Ethernet cable sections must be equipped with male BNC-type connectors at each end. BNC connectors are lower cost and easier to install than the N-connectors used on thick coaxial cables.

Quick Reference Guide to 10BASE2 Thin Ethernet - 04 SEP 95
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