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Thread: Network Cabling

  1. #11
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    Network Cabling

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    Re: Network Cabling

    Quote Originally Posted by blackcat4866 View Post
    I had one customer that had crimped his own connectors on a new installation. The only problem was that only one PC would connect to the internet, and another would only connect intermittently, of 14 network ports. I had to tell him that there is a specific order that the wires get inserted into the connector. Of the 56 connectors that he crimped, only four were fortuitously close enough to work.

    To get a working printer installation I re-crimped the 4 connectors, plus the 2 on the printer cable. I wasn't going to re-crimp every connector, but I did provide him with a color code diagram. I never heard anything else about it, so I'll assume that he figured it out. =^..^=

    Just as an aside: There's 2 ways you can configure the wiring: 568A or 568B. It doesn't matter which one you use as long as it's the same on both ends.
    Growth is found only in adversity.

  2. #12
    Master Of The Obvious 10,000+ Posts
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    Re: Network Cabling

    Quote Originally Posted by BillyCarpenter View Post
    Just as an aside: There's 2 ways you can configure the wiring: 568A or 568B. It doesn't matter which one you use as long as it's the same on both ends.
    I can seem to remember T-568A pretty consistently, so that's my favored configuration. =^..^=
    If you'd like a serious answer to your request:
    1) demonstrate that you've read the manual
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    3) if you're going to ask about jams include the jam code.
    4) if you're going to ask about an error code include the error code.
    5) You are the person onsite. Only you can make observations.

    blackcat: Master Of The Obvious =^..^=

  3. #13
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    Re: Network Cabling

    Quick story: One day I'm at the shop making some network cables and the girl that answers the phone asked me if she could try it. I told her that it's harder than it looks and told her some other time. She kept hounding me about it days later. I blew her off again. Then one day right before 5:00 she asked again. I asked her if she thought she could do it correctly. She said "I know I can". I asked her if she was willing to bet lunch the next day. (I wasn't gonna make her do it but she didn't know that.)


    Long story short. She did it right the first time and did it as fast as I can do it. I was fucking shocked and ended up buying her lucnch the next day.
    Growth is found only in adversity.

  4. #14
    Former KM Senior Tech 500+ Posts srvctec's Avatar
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    Re: Network Cabling

    Quote Originally Posted by BillyCarpenter View Post
    Quick story: One day I'm at the shop making some network cables and the girl that answers the phone asked me if she could try it. I told her that it's harder than it looks and told her some other time. She kept hounding me about it days later. I blew her off again. Then one day right before 5:00 she asked again. I asked her if she thought she could do it correctly. She said "I know I can". I asked her if she was willing to bet lunch the next day. (I wasn't gonna make her do it but she didn't know that.)


    Long story short. She did it right the first time and did it as fast as I can do it. I was fucking shocked and ended up buying her lucnch the next day.
    Sounds like she did it before or it was just beginner's luck.

    I've done a few hundred of them over the years, so when I need to do another one now and then, it's a piece of cake to pick up and correctly wire them again. We don't make nearly as many as we used to a couple decades ago.

    Oh, and like you said, a network cable tester is an absolute must, no exceptions.
    Started in the copier service business in the fall of 1988 and worked at the same company for 33.5 years, becoming the senior tech in 2004 but left to pursue another career on 4/29/22.

  5. #15
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    Re: Network Cabling

    Quote Originally Posted by srvctec View Post
    Sounds like she did it before or it was just beginner's luck.

    I've done a few hundred of them over the years, so when I need to do another one now and then, it's a piece of cake to pick up and correctly wire them again. We don't make nearly as many as we used to a couple decades ago.


    Oh, and like you said, a network cable tester is an absolute must, no exceptions.

    Don't think it didn't cross my mind that she had done it before...but I don't think so. She had watched me do several and I think she just picked it up. It wasn't that way for me. I fucked some cables up til I got it right.
    Growth is found only in adversity.

  6. #16
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    Re: Network Cabling

    Quote Originally Posted by BillyCarpenter View Post
    Just as an aside: There's 2 ways you can configure the wiring: 568A or 568B. It doesn't matter which one you use as long as it's the same on both ends.
    With most modern day devices, ti doesn't matter. The device will auto adjust. In fact a crossover cable is one where both ends are not the same.

  7. #17
    Service Manager 5,000+ Posts
    Network Cabling

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    Re: Network Cabling

    I got back from the customer after installing a Toshiba/Lexmark A4 copier using the generic print driver provided on Toshiba | Business to Business Integrated Solutions on the latest Apple OSX 12 Monterey operating system.

    Again after watching a couple of YouTube videos and practicing at home, the Keystone/ wall plate ($11.00) was fairly easy to install with the provided plastic punch down tool and snipping off the excess.

    The data plug was a bit more challenging (four attempts) using the insert the eight wires individually method and making sure there was no resistance as each of the eight wires slid into place. I used a nice Klein Pass Thru Modular Crimper I bought at Home Depot for $61.00 to terminate the data plug.

    I could see the IP address of the copier on the first attempt.

    I added $3.00 to the lease x60 as a cable installer was not available until next week. There was one desktop and three laptops all OSX 12 Monterey.

    The main objective was to make the customer happy and to get the lease signed today and funded tomorrow.

    Anyway, a new skill for me. I do not plan to make a habit of it and I am rarely called upon to perform this task.

  8. #18
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    Re: Network Cabling

    Quote Originally Posted by BillyCarpenter View Post
    You're making a mistake relying on a laptop to test the cable. You'll have no idea which end is miswired. Been there, done that.


    Attachment 51419
    What I used was a Lanscaper NT750. From what I understand it is no longer available.

    Platinum Tools does make a similar device. Available from Home Depot and others.

  9. #19
    IT Director 50+ Posts J_Arnold's Avatar
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    Re: Network Cabling

    Quote Originally Posted by SalesServiceGuy View Post
    I have to do an install tomorrow after delivering the copier yesterday into a new luxury home office.

    Upon inspection, the building contractor ran Cat 5e cabling from the "mechanical room" to the home office 30' away. Unfortunately, the contractor did not terminate either end of the cable run. This is a task that I have not performed in quite awhile and after watching a few YouTube videos and buying a nice crimping tool, I have a few questions.

    1. On the home office side, there is a wall receptacle that the Cat 5e enters into covered in a solid face plate. When I remove the face plate, I see a cable end without a lot of extra cable. I know that I have to install a Keystone there. I first need to strip the cable cover and unwind the four pairs. The Keystone includes a cheap plastic punch down tool with a wiring diagram. You can select either the residential or business wiring plan. Business is the most common so I will go with that. I bought a wall plate to attach the Keystone when I am done and will trim any excess wires on the Keystone.

    2. On the other mechanical room end, there is a lot of excess cabling leaving me with a un-terminated Cat 5e cable. I will remove the excess and still leave extra.

    3. YouTube suggested to me that the way to go is with a Pass-Thru data plug. So I acquired those and a those and a nice modular crimping tool for Pass-Thru.

    4. I understand how to strip the wire and un twist and straighten the four pairs.

    5. Practicing at home, try as hard as I could, I could not get the eight wires, held together like the pro on YouTube, to pass through the Data plug without fowling.

    6. I tired pushing the eight wires individually through the data port and I could never get past the 7th wire. The 8th wire would always jam.

    7. Out of frustration, I simply tried a different Data plug, from the 10 pack that I had and I was able on the first attempt to individually push all eight wires through and terminate and trim them with the crimping tool according to the Business wiring diagram.

    8.Is there a better way to do this?

    I can test the quality of my working by first using my laptop to connect to the copier, bypassing the customer's computer.



    Only thing I can think to add because everyone else has covered it perfectly would be ...when you are untwisting the wires untwist a little more past the sheath itself then separate pairs and flatten, hold untwisted pairs tight at base of sheath with thumb and finger and cut wires with your snips (cable scissors) leaving approx. 3/4 in , still holding tight insert into RJ45 sleeve or terminal make sure everything is even and flush then insert into crimper still holding firm and crimp. Also agree a cable tester is a must if this is something you see yourself doing a lot of in the future. You can buy a combination tester and tracer setup , then you can really go to town.
    “First comes smiles, then lies. Last is gunfire."

  10. #20
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    Re: Network Cabling

    One thing to be aware of is that there are two types of conductors that are used, solid and twisted stranded. Solid is best for cable pulls. Stranded is better for patch cords as it is more flexible. When making your own patch cords, be sure the end are for the type of cable you are using to insure good conductivity. If your supplier does not know the difference, you need a new supplier.

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