To know colour coding of straight cable we need to know some basic facts like where it is use and from where we can generate it.The answeres are crossover or we say straight cable is used for connecting different devices like pc- hub or pc-hub etc,and we can generate it from the basic colour coding of 568a standard.But the question is how?as 568a standard is a standard for twisted pair but its comes under the subcategory of unshield twisted pair cable.so,lets come to the main ans,so here we go--
568a colour coding is
green=gr,white=w,orange=or,blue=bl and brown=br(short form)
1.gr/w
2.gr
3.or/w
4.bl
5.bl/w
6.or
7.br/w
8.br
As we can see above the colour coding of 568a cables{straight(use to connect dissimilar devices like pc-hub)} the basic of colour coding.we can generate the colour coding for cross cable from it-
Straight
As it is
Straight
1.gr/w
1.gr/w
2.gr
2.gr
3.gr/w
3.gr/w
4.bl
4.bl
5.bl/w
5.bl/w
6.gr
6.gr
7.br/w
7.br/w
8.br
8.br
IF You are Use Normal Cabling Then Following B Cat. Color Coding and IF You Use Cross Cable then Use A Cat. Color Coding for Punching The Cable.. Deepak Kumar Verma IT Engineer INS E Solution Pvt. Ltd. 9214012330, 8875332931
Switch to Switch with UTP requires a crossover cable. Straight-through cables generally will not work unless one of the switch ports is specifically designed to operate in DTE mode.
A straight or standard cable is wired the same on both ends. What color goes where is not important, as long as it is the same.
Match up the two ends of the cable. Look closely at the color coding of the pins at both RJ-45 connectors. If the same colors are used in the same pin positions then the cable is a straight-through cable. If they are reversed at both ends then it is a cross-over cable.Sometimes the cable will be marked that way on the outside covering of the cable. Look for the words "cross-over cable".
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How can I configure straight through cable?
The color coding for T568B cabling follows a specific order for the pairs of wires within the cable. The pinouts are as follows: White/Orange Orange White/Green Blue White/Blue Green White/Brown Brown This arrangement is used primarily for Ethernet networking applications.
A straight cable will be sharper, have less play in the system.
in RJ45 connector connected cat5 cable through same cable coding, that's call parallel cable.