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Are there supposed to be missing colours

G_K
By G_K
in Networking
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Posted

Ready to do my first network project and I have crimped Ethernet cables from scratch before but I have just purchased a 100m cable of cat7 outdoor cable and the colours are missing or are they? Are the white wires supposed to have like white green, white brown etc because they just show all white as you can see in the photo attached, please can someone comment the layout for this Ethernet cable as I am struggling to figure it out 

 

specs of cable

 

external cat7 copper shielded SF/FTP

7FO-010747 

98F1BD1B-C8A3-453F-B593-D4D15F2D38FF.jpeg

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Posted

seems alright the white strands just don't have a color winding on them

https://satoms.com/ethernet-cable-pinouts/

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Posted

i haven't encountered this issue, so i could be wrong, but it seems safe to assume that the whites match with the color they are sheathed/twisted together with. white with green = white/green, white with blue = white/blue, ect.

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7 hours ago, bmx6454 said:

i haven't encountered this issue, so i could be wrong, but it seems safe to assume that the whites match with the color they are sheathed/twisted together with. white with green = white/green, white with blue = white/blue, ect.

I mean, I wouldn't group the green/white in the orange strand as a manufacturer.

I think it's safe to assume you're right

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On 4/7/2022 at 1:29 PM, G_K said:

Ready to do my first network project and I have crimped Ethernet cables from scratch before but I have just purchased a 100m cable of cat7 outdoor cable and the colours are missing or are they? Are the white wires supposed to have like white green, white brown etc because they just show all white as you can see in the photo attached, please can someone comment the layout for this Ethernet cable as I am struggling to figure it out 

 

specs of cable

 

external cat7 copper shielded SF/FTP

7FO-010747 

 

It's not common but recently I got a roll of older CAT 6 cable and found this, the white cables will be grouped with the solid color so they will be twisted together. For example Blue and the white cable is therefore blue/white. When crimping or terminating I just use a sharpie with the correct color and mark the white cable to prevent any possible confusion. 

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Posted

Your bigger problem is CAT 7 is not designed to terminate in RJ45 connectors.  https://en.wikipedia.org/wiki/GG45

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