[ale] Ethernet cable trouble...

Joey Kelly joey at joeykelly.net
Sat Aug 17 18:29:28 EDT 2019


On Friday, August 16, 2019 02:08:23 PM TheSmokintbird . via Ale wrote:
> You said you already have a multimeter...
> ...on one end just strip and twist the blue wire to the blue/white creating
> a short on one end, do this for each pair and test continuity from the
> other end to make sure the pair is a complete circuit.

Has anyone suggested terminating the cable and running ping -f overnight on 
it? if there are no drops, you're good (until the nicked cable corrodes, I 
guess).

--Joey

> 
> No need to buy a cable tester unless you expect to use it more than a
> couple times, or if you are not confident in your contractors punch-down or
> connector making skills...or ask the contractor to use their tester, since
> any reputable low voltage cable installer will have their own simple
> connector tester like those referenced.
> 
> Regardless of testing, when using 10/100 ethernet the orange and blue pairs
> are all that is used...but when you add POE it complicates things since
> some manufacturers use the green and/or brown pairs for power and some
> induce the power onto the orange and blue pairs.
> 
> I recommend putting a connector on both ends and testing the affected cable
> with the actual switch and camera to make sure it is functional before
> doing anything more than using the multimeter.
> 
> Smokintbird
> 
> Keybase.io/smokintbird
> 
> "...better to remain silent and thought a fool, than to speak and remove
> all doubt." Abraham Lincoln

-- 
Joey Kelly
Minister of the Gospel and Linux Consultant
http://joeykelly.net
504-239-6550


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