F5F Stay Refreshed Power Users Networks Cat5E cables are designed for high-speed data transmission.

Cat5E cables are designed for high-speed data transmission.

Cat5E cables are designed for high-speed data transmission.

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duhitzspider
Junior Member
13
07-16-2023, 04:23 PM
#1
I have two distinct Ethernet cables passing through my walls. I need to solder the ends, but the colors differ on each pair. Cable 1 features Blue and Blue+White twisted together, Green and Green+White twisted together, Orangey Gold, White, Brown, and Black+White twisted together. Cable 2 has Brown, Black, Orange, Light Blue, Light Green, Blue, Green, and Very White/Grey (almost white). Which colors should match which cable?
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duhitzspider
07-16-2023, 04:23 PM #1

I have two distinct Ethernet cables passing through my walls. I need to solder the ends, but the colors differ on each pair. Cable 1 features Blue and Blue+White twisted together, Green and Green+White twisted together, Orangey Gold, White, Brown, and Black+White twisted together. Cable 2 has Brown, Black, Orange, Light Blue, Light Green, Blue, Green, and Very White/Grey (almost white). Which colors should match which cable?

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Brummer0815
Member
63
07-17-2023, 06:11 AM
#2
Avoid joining network cables directly. Connect the ends first, then use a female-to-female adapter.
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Brummer0815
07-17-2023, 06:11 AM #2

Avoid joining network cables directly. Connect the ends first, then use a female-to-female adapter.

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Teho0
Member
86
08-02-2023, 05:28 PM
#3
It really doesn't matter, the ANSI/TIA-568 standard only specifies cable colors for your cable 1. Just match the colors on cable 1 with those on cable 2. You're free to arrange the cabling as you like if you keep track of color connections at both ends, but using a consistent T568A or T568B scheme makes it easier to remember.
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Teho0
08-02-2023, 05:28 PM #3

It really doesn't matter, the ANSI/TIA-568 standard only specifies cable colors for your cable 1. Just match the colors on cable 1 with those on cable 2. You're free to arrange the cabling as you like if you keep track of color connections at both ends, but using a consistent T568A or T568B scheme makes it easier to remember.

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sharktooth
Member
58
08-03-2023, 02:06 AM
#4
T568A and T568B differences in performance are minimal. The main concern lies in proper installation. Using a crossover cable—where one end is T568A and the other T568B—will not function correctly, as it’s meant for connecting devices of the same type. Crossover cables are handy for linking switches together but not for PC-to-switch connections. For everyday use, ensure both cables match in type. The colored stripes indicate specific wiring: grey is orange + white, light green is green + white, light blue is blue + white, and black is brown + white.
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sharktooth
08-03-2023, 02:06 AM #4

T568A and T568B differences in performance are minimal. The main concern lies in proper installation. Using a crossover cable—where one end is T568A and the other T568B—will not function correctly, as it’s meant for connecting devices of the same type. Crossover cables are handy for linking switches together but not for PC-to-switch connections. For everyday use, ensure both cables match in type. The colored stripes indicate specific wiring: grey is orange + white, light green is green + white, light blue is blue + white, and black is brown + white.

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Fred10244
Posting Freak
937
08-05-2023, 12:35 AM
#5
This statement is incorrect because mixing pairs from various pins disrupts the UTP twisted pair's ability to reduce crosstalk. It applies to current setups but not modern standards like auto MDI/MDIX in 802.3ab, which adjusts NIC settings for crossovers. This isn't a Cat5e cable. Avoid connecting network cables directly.
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Fred10244
08-05-2023, 12:35 AM #5

This statement is incorrect because mixing pairs from various pins disrupts the UTP twisted pair's ability to reduce crosstalk. It applies to current setups but not modern standards like auto MDI/MDIX in 802.3ab, which adjusts NIC settings for crossovers. This isn't a Cat5e cable. Avoid connecting network cables directly.

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PomamCZ
Junior Member
15
08-05-2023, 01:41 AM
#6
Cable 2 doesn't meet the requirements of Cat5e or Cat6/6a/7 standards. It seems to be an older phone cable or a less common legacy data cable. Avoid using it at all. The lack of twisting can cause significant interference with Ethernet signals.
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PomamCZ
08-05-2023, 01:41 AM #6

Cable 2 doesn't meet the requirements of Cat5e or Cat6/6a/7 standards. It seems to be an older phone cable or a less common legacy data cable. Avoid using it at all. The lack of twisting can cause significant interference with Ethernet signals.

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RatedXKing
Junior Member
43
08-08-2023, 04:01 AM
#7
It's accurate (and I was taken aback that anyone caught on, since my responses tend to be thorough). But it should still function.
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RatedXKing
08-08-2023, 04:01 AM #7

It's accurate (and I was taken aback that anyone caught on, since my responses tend to be thorough). But it should still function.

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FrostBit
Junior Member
17
08-10-2023, 03:54 AM
#8
Hello. Thank you all for your support. It's actually an ethernet cable, the same speed as other Cat5E cables I have, but it is not labeled so I have way of knowing what it is. I've been using Cable 2 as an ethernet cable for years with no problems, and it was run though my wall from the main router to my office. But now I have an extension on my house and I need to connect these 2 cables which have been run inside my walls together. I need to solder these together no matter what, so what ends of each cable connect to which?
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FrostBit
08-10-2023, 03:54 AM #8

Hello. Thank you all for your support. It's actually an ethernet cable, the same speed as other Cat5E cables I have, but it is not labeled so I have way of knowing what it is. I've been using Cable 2 as an ethernet cable for years with no problems, and it was run though my wall from the main router to my office. But now I have an extension on my house and I need to connect these 2 cables which have been run inside my walls together. I need to solder these together no matter what, so what ends of each cable connect to which?

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BanaanBerry
Senior Member
253
08-10-2023, 12:17 PM
#9
We're saying no to soldering. It's not worth it. Instead, connect both ends to an RJ-45 and use a female-to-female coupler. These can be installed in walls if necessary. If you really want to go that route, make sure each cable matches the other exactly, in the same sequence.
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BanaanBerry
08-10-2023, 12:17 PM #9

We're saying no to soldering. It's not worth it. Instead, connect both ends to an RJ-45 and use a female-to-female coupler. These can be installed in walls if necessary. If you really want to go that route, make sure each cable matches the other exactly, in the same sequence.

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DBirdy808
Member
222
08-10-2023, 08:45 PM
#10
The colour palette clearly indicates it isn't Ethernet. Ethernet follows a specific colour code and uses twisted pairs, making it a poor choice for Ethernet since network cards would struggle without proper twisting.
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DBirdy808
08-10-2023, 08:45 PM #10

The colour palette clearly indicates it isn't Ethernet. Ethernet follows a specific colour code and uses twisted pairs, making it a poor choice for Ethernet since network cards would struggle without proper twisting.

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