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Subject: Re: How to check for a 50 or 75 ohm connector
Date: 22 Dec 2002 22:26:42 GMT
References: <3E053579.AFE0BFDF@sympatico.ca> <3keudKjAZXB+Ewcs@newbrain.demon.co.uk> <email@example.com> <1fzeD1n3UdB+Ewe7@newbrain.demon.co.uk>
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DarkMatter wrote in news:firstname.lastname@example.org:
> Coax hasn't been used in ethernet networks since the 2 Mb/s days, or
> obscure topologies like TCNS.
Um, no quite true old boy. 10base2 was 10Mbps. Throughput was slower
(compared to a switch based network rather than a hub based one) due to all
cards sharing the same bandwidth, but I assure you that the bandwidth was
10Mbps. The biggest drawback was some clod removing the terminator or t
piece from his card.
Brian is correct. The bag, since it contains loads of t pieces, is most
likely full of ex-LAN bits. A dead giveaway would be a couple of 50R
terminators (look just like BNCs with a plastic end cap where the cable
would go) in the bag with them. These you _could_ bell out with an Ohmmeter
to ascertain their impedance.
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