Home office remodel, Structured wiring project.

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  • dbhost
    Slow and steady
    • Apr 2008
    • 9523
    • League City, Texas
    • Ryobi BT3100

    #1

    Home office remodel, Structured wiring project.

    It's been keeping me busy, and I am not sure you guys will appreciate the work that is going on here, but a bit chunk of my business of late has been due to design and implementation of a remodel and structured wiring project for my home office. At this point the structured wiring is done in the old office. I have it set up such that I can remove the cables from the patch panel, back pull them through the wall and pull them down the wall in the new office with no issues. There is a more than sufficient service loop in the attic.

    Due to the complexity of my network, I selected a 7u relay rack instead of a wiring cabinet. This allows me to keep my network gear visible, including the KVM, and prevents me from enclosing the WiFi router. It provides sufficient space without being too terribly bulky.

    The patch panel is sized to allow for a planned upgrade to the cabling and switch to allow for cameras and sensors to upgrade my current CCTV system. Every last piece of cabling, both ethernet, and coaxial has been sized and terminated by me. (Okay I didn't terminate the KVM cables...). Ethernet cable, patch panels, plugs and keystones in the rack and through the building are all Category 6 rated and tested for 10GbaseT ethernet (far above what my switches can do).

    I still have network cabling for the LAN, and iSCSI SAN for both cluster nodes, as well as replace the 10 foot KVM cables with 15 footers (I have use for the 10 footers when it all moves to the new office. Once those are run, and cable management (Velcro tie bundled), powered up and tested, this part of the project can be considered complete. The old, original category 5 that was run by the previous homeowner is being moved as well where it can, to replace the telephone cabling which has gotten corroded over the years.

    The rack layout is as follows.

    Top shelf presently has a Zoom 5341J DOCIS 3.0 cable modem, and Buffalo AirStation High Power WZR-600HDP N600 / gigabit router. This replaced the previously shown Linksys EA2700 which had become very problematic with WiFi simply disappearing for no reason. A 3TB USB NAS disk will be attached to the router, as will an Ooma Telo VOIP adapter allowing me to put my phone network back to use.
    The KVM is a TrendNet TK803R 8 port usb / ps2 KVM.
    The main LAN switch presently is a TrendNet TEG-S16Dg, an upgrade to the TEG-S24Dg 24 port is planned.
    The patch panel is a TrendNet TC-P16C6
    The small switches are TrendNet TEG-S80G 8 port gigabit switches.
    Relay rack is a Monoprice 7u wall mount relay rack.
    The rack shelves are RacXcess Unitray UNS1 units (and the only item in the system I am less than happy with).

    The cluster needs to be reloaded (my original intent, load a couple of times, learn it well, then do a final load for production...).

    Anyway, I know a couple of you are tech geeky like this, so I figured I would show this off a little bit... No it's not all Cisco commercial stuff, but for a SOHO install it does work really well...
    Attached Files
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  • JSUPreston
    Veteran Member
    • Dec 2005
    • 1189
    • Montgomery, AL.
    • Delta 36-979 w/Biesemyere fence kit making it a 36-982. Previous saw was BT3100-1.

    #2
    I'm a little out of date on my Ethernet specs, but I seem to remember issues of crosstalk with patch cables less than 3', IIRC. Have you had any problems?
    "It's a dog eat dog world out there, and I'm wearing Milk-Bone underwear."- Norm (from Cheers)

    Eat beef-because the west wasn't won on salad.

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    • dbhost
      Slow and steady
      • Apr 2008
      • 9523
      • League City, Texas
      • Ryobi BT3100

      #3
      On Category 5, yes crosstalk can be an issue. Do remember these are jumpers, effectively passing through the patch panel to the rest of the cable...

      It is actually quite common practice to use short jumpers from patch panel to switch. And what they taught us to do in college. (which was back in Category 5 days...).

      Reading the standards definition of Category 6 cable, there is no stated minimum length for any of the cables. There are however stated maximums.

      FWIW, the switch MFG does state, at least with the 8 port switches, that a minimum of 1 meter cable should be used for maximum performance. The cable I use to link the two switches is .5 meters and I have had no performance problems.

      In actual use, crosstalk can be a problem when there is something else producing a high power inductive interference at the cable. The High Power WiFi router hasn't proved to be a problem. However in one installation I did back in the late 90s, the business owner decided to install the amplifier for his Musak system between the patch panel and the switch with the cables running right in front of it, and then wondered why his network all of the sudden stopped working. I was kind of funny being able to hear elevator music over my tone probe though! I think that amp was pushing somewhere in the area of 250 watts, and almost nothing in it was shielded. Simply put, that device had no business in a data closet.

      Oh, one issue I should mention. Yes the cable length thing does come up in discussion. I beleive it was included in early Category 5 definitions (pre cat 5e), but for the most part, the shielding on cat 5e, and cat 6 has made that pretty much moot, and the bigger concern is too tight of a bend getting to a device. Just like air flow, electrons don't like super sharp turns...
      Last edited by dbhost; 04-03-2013, 09:36 AM.
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      Comment

      • chopnhack
        Veteran Member
        • Oct 2006
        • 3779
        • Florida
        • Ryobi BT3100

        #4
        What do you use your office equipment for?
        I think in straight lines, but dream in curves

        Comment

        • atgcpaul
          Veteran Member
          • Aug 2003
          • 4055
          • Maryland
          • Grizzly 1023SLX

          #5
          Originally posted by chopnhack
          What do you use your office equipment for?
          +1 That's some firepower!

          Comment

          • dbhost
            Slow and steady
            • Apr 2008
            • 9523
            • League City, Texas
            • Ryobi BT3100

            #6
            For the most part, keeping me up on tech. I have a small Linux cluster, that creates a private cloud, I have VPN, Active Directory, DNLA services etc... My company stopped sending us to training when Microsoft released Server 2008...

            In my field you are either up to date within reason, or you are outsourced...

            Okay I have some time to explain so here is the edit...

            The eventual configuration is going to be a 24 port switch replacing the 16. LOML added function I wasn't initially planning on by wanting more features than our current sec system has...

            The first 7 ports are for my Windows XP workstation, CentOS NAS filer / management head, CentOS cluster nodes, and CentOS workstation. (Long term Windows box and CentOS box will be replaced by a single quad core box CentOS running Windows 7 in a VM)... The port #s coincide with the KVM. Port #8 is used to uplink to the router. I presently have 2 cluster nodes, the eventual goal is 4 octo core 32GB RAM nodes, One quad core 32GB RAM filer head, and one Quad Core CentOS workstation with Windows 7 VM.
            Ports 9 through 16 are used for ports running through the house and are arranged as follows.
            Master Bedroom. 2 drops. Once for PC, one for SmartTV.
            Bedroom #1. 2 drops. One for PC, one for Media Player.
            Bedroom #2. 1 drop. One for PC.
            Living Room. 2 drops. One for SmartTV, one for PS3.
            Workshop / attached garage. Port for temporary network access. Possibly may put secondary router as access point only out there for things like laptops IF WiFi signal gets too weak.
            Ports 19 through 24 are for IP cameras and wired sensors for security system.

            Not all of the drops will be populated at once, but I do want them provisioned for future reference.

            I also have a fair amount of WiFi stuff, laptop, mobile phones, Wii etc...

            The cluster is running CentOS 6.3 presently about to get upped to 6.4, and is running HA Virtualization and cloud components creating effectively a private cloud infrastructure. The VMs running in the cloud are a mix of Windows, Linux, and *BSD giving me a variety of network services, including but not limited to...

            Active Directory.
            LAMP server.
            IIS / ASP .net
            MySQL
            SQL Server
            DNLA (through the router).
            Windows file and print services.
            NFS file services
            CUPS print services.
            rsync backup services
            DNS, including dynamic DNS services.
            Last edited by dbhost; 04-03-2013, 01:18 PM.
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            Comment

            • dbhost
              Slow and steady
              • Apr 2008
              • 9523
              • League City, Texas
              • Ryobi BT3100

              #7
              I should mention that my BIL and I use the network and internet connection for business purposes, this is above and beyond what most folks will do with their web connections...

              Not sure if other Houston area members know, but Comcast recently doubled (roughly) the speeds on the Blast! and Extreme 50 service. I was on Extreme 50, so I got the bump. It was a bit more than the 105 advertised by Comcast!

              Please like and subscribe to my YouTube channel. Please check out and subscribe to my Workshop Blog.

              Comment

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