In a full duplex star topology, that is correct. Also to the best of my knowledge.
And now we start to argue religion. :) I probably wouldn't ever want to use something less than 50 cm and certainly not less than 30 cm. Why, you ask? I think the answer to this question explains it well: https://supportforums.cisco.com/discussion/10899851/minimum-length-cat5e-cable I simply find really short cables difficult to work with. From: [email protected] [mailto:[email protected]] On Behalf Of Micheal Espinola Jr Sent: Tuesday, November 4, 2014 3:58 PM To: ntsysadm Subject: Re: [NTSysADM] 0.5 foot Cat5 Cables - Too short - Any potential issues? I have never seen an ANSI/TIA/EIA spec that dictates cable length minimums. Only that there must not be more than .5" untwisted at either end. -- Espi On Tue, Nov 4, 2014 at 12:11 PM, Derrenbacker, L. Jonathan <[email protected]<mailto:[email protected]>> wrote: I'm getting ready to replace some switch stacks. Our current cabling(patch to switch) is a mess, so I'm ripping out and starting from scratch. I'm looking around at cable design, and I like the short 6'' cat5 cables, like this: http://static.spiceworks.com/shared/post/0001/6788/FEX48pt.jpg My concern is I think the IEEE minimum CAT5 cable length is 1.5 meters, but I'm not sure if that's only for cables between active devices or not. Anyone know for sure and/or have experience using short cables between patch and switch? Any issues? Not sure if it matters, but it's gig to the desktop POE. Thanks, Jon
