Thicknet/10base5 Test Segment: The Cable is In!

Paul Koning paulkoning at comcast.net
Tue Jun 26 14:27:52 CDT 2018



> On Jun 26, 2018, at 3:23 PM, Ethan Dicks via cctalk <cctalk at classiccmp.org> wrote:
> 
> On Tue, Jun 26, 2018 at 3:07 PM, systems_glitch via cctalk
> <cctalk at classiccmp.org> wrote:
>> ...
> 
>> I seem to recall the CCNA instructor telling us that you weren't really
>> supposed to screw a 50 ohm terminator onto an intrusive tap; I don't know
>> if there's good reason for it or if it was just a general practice.
> 
> I think the reason is you won't have enough distance between the tap
> and the endpoint of the transmission line.

Maybe that was the thinking, but if so that is simply wrong.  Ethernets are terminated at both ends (as is any transmission line), independent of the cable length, and the presence of taps is entirely irrelevant to this.

	paul



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