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7 posts

Wannabe Geek


# 240514 11-Sep-2018 20:25
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After moving into a new house with the ethernet internally wired I'm having trouble actually getting it to work.

 

 

 

With the configuration pictured below the wifi works and plugging devices directly to the router works properly, So I guess ONT to Router everything is working fine. however when I attempt to connect any devices (or the router from the router to the room outlets i'm just getting nothing from any of them. I feel like i'm missing something glaringly obvious. In the picture below I get wifi and internet direct from the router but nothing through the room port 5 leads to.

 

Any help is appreciated 


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2129 posts

Uber Geek


  # 2087795 11-Sep-2018 20:28
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Need a clearer picture. Those patch ports don't look like they're wired at all

Are there any cables going under the patch block.




Location: Dunedin

 




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Wannabe Geek


  # 2087800 11-Sep-2018 20:37
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Looks wired


 
 
 
 


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  # 2087801 11-Sep-2018 20:39
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And have you looked behind one of the room faceplates

 

Cyril


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  # 2087803 11-Sep-2018 20:41
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Assuming you're doing the same at the other end as well (patch cable from wall to device), then you're doing it right.

 

It is hard to tell if there is cabling coming out the back of those ports though - unless the installer has done an exceptionally neat install you can usually see the cabling.

 

EDIT: I see the new photo.

 

Tried patching to different outlets in case they are labelled wrong?


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Uber Geek


  # 2087804 11-Sep-2018 20:44
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When you say nothing, what exactly does that mean?

What are you plugging in?
Does it have lights on the ethernet port, and if so, do they light up?

I'm wondering if this is a static IP address in a different range problem.




Location: Dunedin

 




7 posts

Wannabe Geek


  # 2087807 11-Sep-2018 20:49
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Yea I tried a couple of different ports before I realized each one was correspondingly numbered under a plastic cover (looked translucent but wasn't) Will need to crack out the screwdriver tomorrow to get in to see if it's actually connected, but the numbering makes me think they should be.

 

 

 



Tried with a laptop, no lights on ports.


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  # 2087808 11-Sep-2018 20:50
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We have one at work where the odds and evens are swapped because whoever installed it got the order wrong, so dont count on the numbers being right.





Richard rich.ms

 
 
 
 




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Wannabe Geek


  # 2087812 11-Sep-2018 20:52
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Yea I went through the rest to be sure with no connection on any of them, The names they gave were pretty vague in bad handwriting


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  # 2087815 11-Sep-2018 21:02
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Looking at that picture the job looks very sub par. The one cable i can see is showing alot of wire with at least one pair untwisted back to the sheath.

 

It may not be the direct cause of your issue but but it looks like a dodgy job from what i can see.





Geoff E

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  # 2087833 11-Sep-2018 21:45
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Hmmm I wonder if 568A/B is lurking here?




________

 

Antonios K

 

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  # 2087834 11-Sep-2018 21:47
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antoniosk: Hmmm I wonder if 568A/B is lurking here?

 

Shouldnt matter anymore.

 

I would try new patch cables and then get the sparky who did the new house wiring back if its still not working.





Richard rich.ms

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Ultimate Geek


  # 2087836 11-Sep-2018 21:51
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Get yourself one of these, and two patch cords:

 

https://www.trademe.co.nz/computers/cables-adaptors/networking/listing-1762344473.htm?rsqid=a9524d0ce5ac455198a23ba89e358ade

(Dirt cheap network cable tester)

Hook it up to your chosen path, and see if the wiring has been done correctly. Remote should light up 1,2,3,4,5,6,7,8. any other sequence means the wiring has been connected to the wrong terminals. Missing lights mean broken wires / connections. Note that an install where the twisted pairs haven't been installed to paired terminals will pass this test (need to look up a diagram and check colors to identify that issue. 

As somebody else said, it is viable from the photo that the installer hasn't followed best practice for the install. (you are ment to keep pairs twisted right up up the termination). As such it seems likely that they may have made more serious errors elsewhere.


As a generally note, once you have the wiring sorted out, you might like to move the router somewhere central in your house. Being in a metal box can kill wifi signal.




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Wannabe Geek


  # 2087840 11-Sep-2018 22:07
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Thanks for the advice guys


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Uber Geek


  # 2087881 12-Sep-2018 07:25
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antoniosk: Hmmm I wonder if 568A/B is lurking here?

 

 

you would still get 10/100mb

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  # 2087888 12-Sep-2018 08:00
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wellygary:
antoniosk: Hmmm I wonder if 568A/B is lurking here?
you would still get 10/100mb

 

You'll actually get Gigabit.

 

The difference between 568A and B is the green and orange pairs TX / RX pairs are swapped around. Blue and brown pairs are the same. If you have an outlet and a frame wired for 568A and 568B at the other end, you simply end up with a long crossover cable.  Since 99.9% of new devices and switches support MDI-X, this will just function as normal (but will fail a cable test).

 

It's worth noting if you are going to buy one of those cheap $3 cable testers that you ensure you check the light sequence at both ends. Checking one end is not sufficient as the other end can still be out of sequence due to the way they work.

 

 

 

 


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