Re: Cable Management vs. Easy Maintenance
- From: "RC" <rcohen _ "at" _ cominc _ "dot" _ net remove all _ and spaces>
- Date: Wed, 26 Jul 2006 23:24:33 -0400
I don't think he's talking about moving drops, but changing the patch cables
so that a jack that was on a non-PoE switch would be moved to a PoE switch
when the phone is moved.
No real easy answer beyond using all PoE, which as you said is often cost
prohibitive.
When I mix PoE and non-PoE I color code the patch cables. My personal
"standard"
Yellow=straight-through Ethernet
Red=cross-over Ethernet
Blue=PoE
Green=ISDN-BRI
Grey=T1 or PRI
"Perkowski" <perkowski1@xxxxxxxxxxxxx> wrote in message
news:o1Txg.2664$Wi.299@xxxxxxxxxxxxxxxxxxxxxxxxxx
Ok, let me ask you this? Why not just leave the old drop in its original
location and add a new one for the phone's new location?
How many MACs do you have a month? 95% of the K-12 I worked in would have
us (cabling contractor) run a new drop to the new location, while leaving
the old drop intact.
Thing is if you want to use the same drop to move to a different rack
where
your PoE switches are, you could run into a lot problems. For example not
enough service loop to reach new rack, disrupting 110 terminations on old
rack when pulling out cable, etc.
Personally, it makes more sense to add a new drop in my opinion.
Perkowski
<mchilders@xxxxxxxxx> wrote in message
news:1153929427.477089.211060@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
I work for a school district that is in the process of bringing on 3
new schools, one of which is a high school with several hundred drops
per closet. We use IP telephony and all phones in the district are
powered via Power over Ethernet. The issue that we are facing is that
due to the cost of PoE switches, we can only afford to put in PoE ports
for the number of phones that we have, the rest of the drops connect to
non-powered switches. I would like for these closets to have all patch
cables neatly arranged and bundled from the panel to the switches
running through vertical and horizontal cable managers. The issue we
then run into is that once we get a closet all looking good, phones
begin to move and cables that were previously plugged into non-powered
switches need to be moved to a PoE switch, which requires tracing down
a cable through all these bundles of cable management just to move it
to the PoE switch.
My initial thought was to just label all of the patch cables as to
which drop they connect to on the panel, but with several hundred
cables it takes just as long if not longer to find the cable labeled P4
D17 as it does to just trace it down. My other thoughts would be color
coding the labels so that a color represents either a certain patch
panel or a group of 24 or 48 ports. That way if you knew the cable was
on panel 2 (green), then you'd only be looking for green labels to find
the right cable.
After thinking about this, I know that several of you already know what
works and what doesn't work because you work with this stuff on a daily
basis and have seen installations 10x the size of ours. So if any of
you have any suggestions as to what works and what doesn't, I'd love to
hear it.
Thanks for your help,
Matt
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