Wiring Standard of LAN

Wiring Standard of LAN: 
There are major two types of wiring standard such as 568A & 568B.

 


                                                                     568A


                                                                     568B         

                               
1. Straight-Through RJ-45 Cables: Now, Straight through cables are 568A + 568A or, 568B + 568B 
It means that,same combination of the both side of the cable.



568B     +       568B
                 or,
                                                                                                                                                                                                                                                                              
                           =  Straight Through  =                  

568A  

 +


568A



                                                                                                                                                               
2. Crossover RJ-45 Cables: Crossover RJ-45 cables are 568A + 568B or, 568B + 568A 
                                    
 


    =      Crossover       





Another Cable are "Rollover Cable" & "Loopback Plug"- Such as :-



                                                                                   Rollover Cable


                                      
                                                          Loop back Plug

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