[Hidden-tech] Network question

[Matthew S. Crocker]

Ethernet runs on pins 1,2,3&6 which equate to the orange & green pairs on the cable. The other two pair (blue & brown) are not used for Ethernet data. 

Plug your computers directly into the comcast router and see how much throughput you get. Then plug one switch in and try again. Add complexity, try to isolate what piece of equipment is causing a problem (if any) 

Ethernet hubs are bad, they should all be thrown away or ritualistically burned. The cheapest Ethernet switch will run circles around a hub. 

-Matt 

----- Original Message -----

> From: "Mark Firehammer" <mark at techeffective.net>
> To: "Daniel Lieberman" <daniel at daniellieberman.org>
> Cc: "Hidden-Tech Discussions" <Hidden-discuss at lists.hidden-tech.net>
> Sent: Tuesday, November 29, 2011 5:36:41 PM
> Subject: Re: [Hidden-tech] Network question

> ** Be sure to fill out the survey/skills inventory in the member's
> area.
> ** If you did, we all thank you.

> HI Daniel

> Cat 5 is 4 twisted pairs.
> You should test to see if there are any short among the 8 wires. That
> would slow things down as you describe.
> If they are custom made wires it could be a bad end or a small break
> at a sharp bend if care wasn't taken.

> A network cable tester is 20 or 30 bucks. If you want to borrow mine
> just come and get it!

> Mark

> Mark Firehammer
> New Number: 413 341-6888
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> On Tue, Nov 29, 2011 at 3:41 PM, Daniel Lieberman <
> daniel at daniellieberman.org > wrote:

> > ** Be sure to fill out the survey/skills inventory in the member's
> > area.
> 
> > ** If you did, we all thank you.
> 

> > Have a perplexing situation. We have 20 megabit down internet
> > service
> > from Comcast coming in to the front building of our place, gets
> > passed via Cat 5 probably 150 feet to a patch panel, which
> > distributes it to ethernet ports in 5 or 6 rooms in the back
> > building.
> 

> > Why would the connections in the rear building only provide 6-7
> > megabits? Could we replace switches or panels in the rear building
> > to provide more bandwidth to the individual connections? Or is the
> > splitting of the signal in the rear building the issue?
> 

> > Any suggestions? I'm baffled.
> 

> > Daniel
> 

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