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moorthy_kulumani

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cross wiring

i am using three hubs in my network.
for a hub i need diagram of "crosswiring" in CAT 5 UTP cable.
explain with 8 pin colors and signal pin
diagram on both side of UTP RJ45 jack.
pin numbers need cross wiring is must.
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GleasonGuy

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Avatar of mark2150
mark2150

Normal 568B CAT-5 is:

1 White/Orange
2 Orange
3 White/Green
4 Blue
5 White/Blue
6 Green
7 White/Brown
8 Brown

Wired same at both ends.

To make a "crossover" cable, wire one end as shown above and then reverse green and orange pairs at other end.

1 White/Green
2 Green
3 White/Orange
4 Blue
5 White/Blue
6 Orange
7 White/Brown
8 Brown

The orange and green pairs are the data pairs. The blue is the analog/telco pair and the brown pair is a spare.

If you hold the connector with the clip down and the cable exiting to the left pin #1 is on top.

M
5 points is too little for a Q...

M
I was thinking that 5 points was too little also... But moorthy_kulumani is new... So I just gave hime the link... It does have a pretty picture though ;-)

BTW, Welcome to Experts Exchange moorthy_kulumani!
Here is my form greeting to EE...
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