TIA/EIA Standards

Does anybody have a copy of the latest standards and tell me if they took
ZIP ties out of the standard?
I got into a verbel debate with a couple of folks that I had stated they
should not use the plastic zip ties and use something like velcro when they
need to group the cable runs together. But I remember reading somewhere that
velcro was going to be the only allowed attachment device for network cables
to things like cable trays and such. Anybody know?

Thanks
Vic

Vic

Thank you for the information I appreciate it.

"nobody >" <> wrote in message
news: m...
> Vic wrote:
>> Does anybody have a copy of the latest standards and tell me if they took
>> ZIP ties out of the standard?
>> I got into a verbel debate with a couple of folks that I had stated they
>> should not use the plastic zip ties and use something like velcro when
>> they need to group the cable runs together. But I remember reading
>> somewhere that velcro was going to be the only allowed attachment device
>> for network cables to things like cable trays and such. Anybody know?
>>
>> Thanks
>> Vic
>
> I haven't looked into it (TIA/EIA Standards), but the issue of
> zip-ties/tyraps vs Velcro straps will never die.
>
> Both are necessary , especially in "old work" jobs. Practicality rules.
>
> I've had IT jocks chew my ass out for using tyraps, then watched them jerk
> up narrow Velcro strips so tight that those created the same problem that
> tyraps are "supposed to cause".
>
> What caused the problem was that too many people would pull the zip-ties
> "up tight", causing eventual deformation of the jacket and the pairs
> inside. That's not good, since CAT3/5/5e/6 cables are all actually just
> multiple RF transmission lines.
>
> Leaving slop in the tyraps avoids the problem. My personal standard is
> that I leave a finger (or 2/3/4 depending on bundle size)inside the tyrap
> when I pull up the tail. As soon as I feel pressure, I stop. An additional
> trick is to use tyraps long enough to wrap around twice (but still having
> slop).
>
> BUT... this only applies to cables laying in/on trays, or on vertical runs
> where the tyraps aren't the anchor points.
>
> Something the instructor said during the Avaya CAT6/Gigaspeed
> certification course I took years ago (that I already knew):
> "If it looks too nice, it's probably wrong".
>
> Any bundled network cable should be jumbled up and not in nice neat
> "combed runs". Running individual cables parallel for any appreciable
> distance creates cable-to-cable crosstalk.
>
>
>
>
>

Vic

On Wed, 4 Nov 2009 16:26:29 -0600, Vic wrote:

>Does anybody have a copy of the latest standards and tell me if they took

A copy of the documents that you need to pay for

>ZIP ties out of the standard?
>I got into a verbel debate with a couple of folks that I had stated they
>should not use the plastic zip ties and use something like velcro when they

I haven't looked at those for such details for years. Have you tried the
ng comp.dcom.cabling ?

http://groups.google.com/group/comp....ing/topics?lnk
or shorter
http://preview.tinyurl.com/ya52bov
there can be a lot of spam noise, but there are cabling
questions/answers.

>need to group the cable runs together. But I remember reading somewhere that
>velcro was going to be the only allowed attachment device for network cables

Our cable installers, 2 different companies for Cat 5e / 6 use plastic
ties for the horizontal runs up the isnide of 19" racks, up the cable
trays running from floor to roof space.

The end users engineers use plastic ties up table / bench legs , too
tightly of course and complain about damaged cables. I am getting fed up
replacing then / removing the ties.

I tend to use velcro for all the equipment ends , server cable arms and
anything back to the switches / patch panels.

All the fiber patch bundles are velcro as well.

>to things like cable trays and such. Anybody know?


http://www.lanshack.com/cat5e-tutorial.aspx
Do Not Allow the cable to be sharply bent, twisted, or kinked at any
time. This can cause permanent damage to the geometry of the cable and
cause transmission failures.

Do Dress the cables neatly with Velcro cable ties, using low to
moderate pressure.

Do Not Over tighten cable ties or use plastic ties.

>Thanks
>Vic
>

why?