i've not been party to this conversation, and have been restricting myself
to lurking for quite a while, but this is something i know about, having
built two data centers in recent memory as well as wiring my house.
On Thu, 28 Mar 2002 18:11:44 -0500 Nancy L Haitz <[EMAIL PROTECTED]> wrote:
> Hmmm... computer connections in every room. Now we're talking.
i'm very close to that; when we bought our current house, it needed a bunch
of work, so i took advantage of the time before moving to run the Cat 5
everywhere. i'm 1/2 way through the second 1000 foot spool.
in addition to the drops in each room, i also hauled a lot of cable to a
basement room which i set up as a lab; now that i'm doing network
consulting and working from a home office, it has proven to be a good thing
that i did.
> Jeff's mention of a "wiring closed" got me thinking. Does ethernet
> wiring, such as Cat-5 degrade if run through a couple of junction boxes?
umm, if you do a junction thing, you need to keep it to a minimum, and use
Cat 5 jacks and patch coards appropriately. i don't recommend it, except at
the patch panel (you will need a patch panel in the basement.).
> Our old house has primarily brick walls, inside and out. Ron was able
> to rewire the first floor electric from the basement. He planned to
> redo the second floor electric by building a small chase from the
> basement to the attic, and running wires in the chase. Then rewire
> second floor rooms from the attic. Pulling a continuous cable that
> distance would require more physical strength than humanly possible.
actually, i've done it. it is possible. annoying, but possible.
> Does anybody know... If we did a couple of junction boxes are we
> degrading the service? And, what kinds of interference do you get it
> you run electrical, phone and Cat-5 in the same conduit?
i've run Cat 5 near electrical, and not had real problems. however, if you
have any really old florescent lights, the 40 year old ballasts may be a
major problem if the Cat 5 comes near them.
also, don't run the phone indepenedntly. if you wire things properly,
then you can play a nice trick.
basically, the RJ-11 phone jacks with 4 wires plug into the middle of an
RJ-45 connector. they hook up with the center 4 wires. if you've wired
properly, then your wiring can be ethernet or phone.
what i did is run two strands of Cat 5 and one of RG-6 (video for cable or
satellite tv) from a patch panel in the basement to each room. by
convention, there is one green jack and one blue jack in each drop, one for
phone (green) and one for ethernet (blue), although the two are
electrically equivalent. the convention is a convenience; if you're talking
to someone on a phone or yelling down from the attic, "plug into the green
jack" is easy to get across.
in the patch panel, i have a column for each drop with green & blue jacks
and an F connector for the video, another panel with jacks for the incoming
phone service. i just use ethernet patch cables to hook phones up in rooms
where i want them. the cable modem & firewall sit in the rack, along with
an ethernet switch. the direct tv connection also comes in at this point,
and uses the convenient RG-6 to get to the desired rooms. note that RG-6
costs about twice as much as Cat 5 (ca $120/1000' vs $60/1000').
richard
--
Richard Welty [EMAIL PROTECTED]
Averill Park Networking 518-573-7592
Unix, Linux, IP Network Engineering, Security
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