802.3ab [7:40158]

2002-04-02 Thread Lou
I am working on a project and have a question I can't find the answer to, despite 4 hours searching. If you have Cat5E or Cat6 ieee standard cabling, properly tested... Is there a Max amount of cables you can run side by side before experiencing alien Crosstalk.. (Crosstalk between the cables,

RE: 802.3ab [7:40158]

2002-04-02 Thread timothy thielen
nothing solid that I know of... I know in the production networks I have SEEN, nobody seems to care how many cables can be bundled. It's never been an issue in the networks I've experienced. Lou wrote: I am working on a project and have a question I can't find the answer to, despite 4

RE: 802.3ab [7:40158]

2002-04-02 Thread Marko Milivojevic
My wild guess would be that this actually depends on the surrounding, length, position, etc. The good literature for this would be some electrical engineering course on magnetic induction, etc. Advice how to avoid alien crosstalk would be to have those cable as less paralel as possible. Also,

RE: 802.3ab [7:40158]

2002-04-02 Thread Chris Charlebois
If alien crosstalk is an issue in any cabling, it would come up in 802.3af before you ever saw it in 802.3ab. 48 volts will cause alot more noise than 5 volts (Is that the voltage for standard 802.3?). I've seen bundles of 20+ cat 5 ethernet running 802.3af without seeing problems. My guess