[ale] How to test a cat5 wire?

[Jim Kinney]

Get something with readily available batteries. One set of mine uses an oddball type that's hard to find.

On August 16, 2019 9:56:01 AM EDT, Derek Atkins via Ale <ale at ale.org> wrote:
>Hi,
>Thanks, Raj!
>I see two reports on the Amazon link that say the tool failed within a
>few
>minutes.
>For the third, I found the same on Amazon for cheaper (20 vs 25), but
>again, lots of negative reviews.
>Maybe I'll look at something a little more pricey that will be better
>quality.
>Also, thank you for the offer, but this is a tool I'm going to need for
>several months.  I've got ~100 cables I need to trace, punch/crimp, and
>test.  So it'll probably be better for me to have my own tool.
>
>Thanks!
>
>-derek
>
>On Fri, August 16, 2019 9:33 am, Raj Wurttemberg via Ale wrote:
>> Hey Derek,
>>
>> A cheap one like this should be sufficient:
>>
>>
>https://www.amazon.com/HDE-Network-Cable-Tester-Phone/dp/B009ZXYI1U/ref=sr_1_7
>>
>> Locally, Micro Center has a similar one (for less $):
>> https://www.microcenter.com/product/486708/network-cable-tester
>>
>> I have had this one for years and love it ($25):
>>
>https://www.microcenter.com/product/209845/network-modular-cable-tester
>>
>> I'm is Norcross/Peachtree Corners... so if you live near-by, you are
>> welcome to borrow mine.
>>
>> Hope this helps.
>>
>> Thanks,
>> /Raj
>>
>> -----Original Message-----
>> From: Ale <ale-bounces at ale.org> On Behalf Of Derek Atkins via Ale
>> Sent: Friday, August 16, 2019 8:36 AM
>> To: Jim Kinney <jim.kinney at gmail.com>
>> Cc: Atlanta Linux Enthusiasts <ale at ale.org>
>> Subject: Re: [ale] How to test a cat5 wire?
>>
>> Jim,
>>
>> Jim Kinney <jim.kinney at gmail.com> writes:
>>
>>> Best bet is to buy a cable tester. Barring that, use a radio and
>make
>>> an adapter with alligator clips that uses the earphone jack as a
>>> signal source and a speaker on the other end.
>>
>> Any recommendations for which cable tester to buy?  I'd prefer
>cheapest
>> with most required functionality.  I already have a cable follower
>which
>> sends a signal down a pair and lets me trace it.  I also have a
>multimeter
>> which I suppose I could use for continuty testing (I just need some
>> aligator clips to short out one side).
>>
>> So what do you suggest?
>>
>>> If a single wire is damaged and your connection doesn't require 8,
>>> just swap a pair of unused for damaged on both ends. Electrons are
>>> color blind 😁. Some labels explaining the change will help for
>later.
>>
>> Yes, this was my plan, but I don't know if it requires all 8 or not
>--
>> that was part of my question.  How do I know if the camera and switch
>> would use PoE mode A or B?  I do know it's only 100mbps.
>>
>>> It may be possible to use the damaged wire bundle to pull a new
>cable.
>>> Plenum rated wire is tough and easy to pull.
>>
>> Unlikely, unfortunately.  The cable was run when the walls were all
>open,
>> and I know it goes through joists and studs and it stapled to them
>along
>> the way.  So no, I don't think I could use it as a pull-string.
>> That was one of my first thoughts, even.  :(
>>
>> -derek
>> --
>>        Derek Atkins                 617-623-3745
>>        derek at ihtfp.com             www.ihtfp.com
>>        Computer and Internet Security Consultant
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>
>
>-- 
>       Derek Atkins                 617-623-3745
>       derek at ihtfp.com             www.ihtfp.com
>       Computer and Internet Security Consultant
>
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-- 
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