Cabling standards and network connection rules

In Networking, Cat 5e cables which is the standard cable for networking systems is terminated in a manner so that it gives desired result. There are three different standard arrangement for Cat 5e cables namely:
Straight through cabling arrangement: which is otherwise represented by the code T568A + T568A or T568B + T568B i.e terminating both ends of the cable with the same color code arrangement.
                                                 
Crossover cabling arrangement: which is otherwise represented by the code T568A + T568B i.e terminating the ends of the cable with different color code arrangement
                                                      
                                                  
Rollover cabling arrangement: This arrangement has to do with turning or twisting a straight through or crossover cable arrangement sideways or upside down.
                                                    
Ethernet connection rule for various devices can simply be summarized as: For unlike devices use straight through cable arrangement and for like devices use crossover cable arrangement i.e use crossover cable arrangement for:
Switch to Switch
Hub to Hub
Hub to Switch
Host to Host
Router to Router
AND Straight through arrangement for
Host to Hub
Host to Switch
Host to Router
Router to Switch
Router to Hub
It should however be noted that some new devices now have the ability to convert a straight through cable arrangement into crossover cable arrangement and so straight through cable can be used to connect same kinds of these devices. 

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