[clue-tech] BNC port

[Dave Brown]

10 base is the speed, and the 2 is for 2 wire. The limit is 50 meters, 
but if all the cabling is clean and you have good terminators, I have 
people cheat on the length by a few yards.

Jim Ockers wrote:

>Heh.  Times change quickly in technology.
>
>  
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>>Someone gave me a computer that has an odd card in  it with a BNC port 
>>for a coaxial cable.  What exactly is this ?  Can I connect it to cable 
>>internet without a cable modem?
>>    
>>
>
>That is a 10 Base 2 connector.  It's an ethernet card, 802.3 frames, but
>which transmits on a RG59 coaxial RF cable.  The cable has to be terminated
>at each end with a 50 ohm terminating resistor for the electrical proper-
>ties to be correct.  The computers are connected to the network cable in 
>series.
>
>The "10Base2" moniker indicates that the cable can be up to 200 meters
>in length without being out of spec, I think.
>
>  
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