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2 Messages
What pinout for a new CAT6 to NID?
I am relocating my modem to a different part of my house and so taking advantage of the opportunity to run new CAT6 to the NID. The existing cable from the NID to the old modem location uses only two pairs - Green/White and Blue/White (see picture). for my new CAT6 run, what pinout should I use? Should I terminate all 4 pairs on the NID end? Should I terminate only the Green/White and Blue/White on the NID end and terminate the cable using T-568B on the modem end? What positions in the CAT6 plug should I use?
Thanks for a clear description to your recommendation since I'm pretty new at this.
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spoom2
Expert
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17.9K Messages
2 years ago
Terminate it exactly the same as the existing wire is terminated. Even if you terminate all pairs only pins 3, 4, 5 and 6 are used, also if you're terminating CAT6 on a 8p8c jack make sure you use a CAT6 jack and not a CAT5 jack. CAT6 is a larger gauge wire and thicker insulation. Going to edit to add if you just have two wire feed only pins 4&5 are used.
(edited)
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chrispaul
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2 Messages
2 years ago
Thanks! I followed your advice and all is well.
Follow up question: I see that my AT&T modem uses RJ11 for the broadband input from the NID. Why is there not a RJ45 connection - wouldn't that allow greater bandwidths?
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spoom2
Expert
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17.9K Messages
2 years ago
No the type of connection doesn't matter it's how the service is being delivered. In your case a single pair, if you had bonded pair where you have two pairs feeding your service you'd still use the same type jack on the modem. If you have fiber feed than you would use a 8p8c jack (What everyone calls RJ45, but it's not an RJ45 is a keyed jack)
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