At 6:09 PM -0500 9/13/05, Jeff Walther wrote:
Date: Mon, 12 Sep 2005 19:20:37 -0700
From: Clark Martin <[EMAIL PROTECTED]>
Each PhoneNet connector needs to have both jacks filled. If there
is only one cable connected to a PhoneNet connector, then the other
jack should have a terminator installed. The terminator is just a
little telephone plug with a resistor between the yellow and black
wire terminals. I don't recall the resistance at the moment.
Only if you are doing a daisy chain connection. In a bus topology
the wiring is terminated and individual drops are not.
It's likely this installation is a daisy chain setup but I mentioned
it because this is a common way mis-information gets passed around.
Someone mentions partial information and then others who don't know
better think it's the whole story.
Clark, can you elaborate on this? I never looked at the bus
topology much, as I didn't use it. Thinking about it, I'm not even
sure what a bus topology is. You're not talking about a star
topology, right? This is something else again?
No real need, just idle curiosity.
In bus topology you run a twisted pair from one phone jack to
another. Each end of the pair has a termination resistor attached.
You connect PhoneNet adapters to it with a drop cable, typically not
longer than about 20 feet. No terminators are installed in the
PhoneNet adapters.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
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