A tip on how to repair your ethernet cable on your Dahua Camera when animals attack! :)

U

UmDaMan

n3wb
Aug 3, 2018
26
16
Illinois
A few weeks ago, while I was on vacation, I noticed that one of my cameras had stopped working. After some investigation, I discovered that a squirrel had mistaken the cable for a snack! After searching for a replacement, I found the perfect solution on Aliexpress.com.

I paid $1.97/each.

Now the next challenge with only 1/2" of cables sticking out of the jack I was able to determine the colors corresponding to the Ethernet jack pin outs. The replacement cables I purchased were wired correctly with the Pin7,8 and Pin4,5 joined together. I soldered the wires to the new harness. Here are the colors that were used and joined to the camera cable:

New Cable -- Dahua Cable -- Ethernet Jack Pin
Color Color

Gray -------- Brown -------- Pin7,8
Green ------- Green -------- Pin6
Yellow ------ Blue -------- Pin4-5
Green/White --- Green/White -- Pin3
Blue -------- Orange ------- Pin2
Blue/White -- Orange/White - Pin1

I didn't bother connecting that external POE connector as I have never used it. I also put some Silicone on the ends of the heat shrink to make sure the cable is waterproof. Hopefully, this tip will help others repair their cables when animals decide to chew on them! My camera is now working again. :)

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....and when you can, put the pigtail in a proper junction box or inside soffit and have the CAT cable protected as well. The less exposed, the better....not only to the elements but also to the @#$% tree rats.

They love thermoplastic. They chew on my garden hoses, extension cords and tractor lever and handle tips......anything in my tractor shed that's plastic. :banghead:
 
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UmDaMan said:
I didn't bother connecting that external POE connector as I have never used it.
Click to expand...
By "external POE connector" are you referring to the 12VDC power connector?
 
Some cables like this may have some extra wires. The picture of the black one appears to be a style that has a link light in the connector.

The connectors that are crimped on to the end are intended to go into pin connectors that connect directly to boards inside the camera, but that compromise the weather tightness of many cameras.
 
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UmDaMan said:
Yea. I have never used the connector on my cameras. just guessed it was some sort of power input for if you did not have a POE network switch.
Click to expand...
It is, it's for 12VDC .
 
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Could use a length of armoured cable to feed out of the junction box. The stuff is horrible to work with as it's very rigid, but it's tough. When I wired my main desktop, I needed to take the cable outside and couldn't find a decent outdoor rated poe so I bought a commercial grade armoured cable usually used on oil rigs!!! It's awesomely tough but very hard to bend anywhere. Basically inside the outer the whole cable is sprial wound with stainless steel wires of considerable thickness. I'm guessing individula wires about 10 guage, followed by a screened cable inside. You could run a length from the camera junction box to another junction box in the garden away from the squirrels then normal to the rest of the house. Downside is another connection to go wrong / get water ingress. Upside is easily replaced length if they do get through and no problems bending the cable into the home.
 
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