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788 posts

Ultimate Geek

# 38022 23-Jul-2009 10:16
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When we were digging up our back yard I ran a 20-30m network cable out to the sleepout through some ducting - smart eh?

Except... because I didn't really know what I was doing I used crossover cable. NOT so smart...

It came from DSE and I think it was Cat 6/5e

There is a phone point out there too which I use as the connection to the router.

Trouble is the connection won't stay up for more than ~30mins at a time. (I've been through the whole rigmarole of excluding all the other devices, calling VF, getting the line checked, having my profile changed, getting the router changed etc).

I'm wondering if the phone point is suspect (Chorus engineer checked it but you never know...) so I want to try moving the router into the house to the "main" outlet and using my ethernet cable.

What I need (I think) is a clever adapter to convert the cable to "straight" and a short extension (~2m) to reach the computer.

I don't want to use wireless out to the sleepout as it's a bit too far to get a good connection (with the b/g gear I've got)

I had a look arond the net and there are some adaptors around but
a) Do they work?
b) will I have to put it at the router end or the sleepout end?
c) I found a RJ45 joiner at DSE: Is that what I have to use to connect an extension cable?
d) It maybe better to get the whole house's phone system rewired as I think there's been some DIY in the past. Chorus won't do it. Can anyone recommend a local (North Shore/AKL) outfit that can help?

Interests: HTPC, Web App authoring. 

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4150 posts

Uber Geek

  # 238167 23-Jul-2009 10:58
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What I need (I think) is a clever adapter to convert the cable to "straight" and a short extension (~2m) to reach the computer.

A crossover cable. simply has the terminating wires joined onto the appropriate other pin out on the terminating plug.

If you join two crossovers together with a bog standard Female to female linker, you will end up with what is in effect a standard through cable..

Of if you have a crimp tool, you could simply chop off the terminators and rewire it as a standard cable

7058 posts

Uber Geek


  # 238187 23-Jul-2009 11:26
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You should not need to worry about the fact its a cross over cable as most NICs and switches will auto sense and sort it out.

You should not have used a patch lead, which will be multistrand, its losses are higher, its constructed of PVC which eventually once it takes up water which you can be sure no well how well you glued the conduit will get in then ethernet will not work down it anyway.

But now its in the ground may as well use it. If you still need a crossover correct PM me.



788 posts

Ultimate Geek

  # 238679 24-Jul-2009 17:07
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I got some ethernet cable + a couple of joiners from DSE and borrowed a mate's crimper. Fixed it all together and moved the router into the house. Sweet. Didn't even need to rewire the crossover cable.

Thanks for all the help guys.

My crimping is really yukky so I was quite surprised it worked first time...

Is there a way I can check the quality/speed of the ethernet connection between the router and PC?

Interests: HTPC, Web App authoring. 

7058 posts

Uber Geek


  # 238684 24-Jul-2009 17:15
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Hi, as I said you should not have needed to do anything, 99% of all NICs and switch ports for years now can work out they have a crossover cable and switch the pairs. Most routers will list ethernet frames they have passed and how many have been dropped.

otherwise a command line app like wsttcp will tell you throughput from a PC connected at each end of the line.


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