rj45 Configuration

rj45 has two Configurations. Straight Through Configuration and Cross Over Configuration.

1. Straight Through Configuration  
rj45 in Straight Through Configuration is used to connect devices through the network that have different levels of hierarchy. For example is when we will connect to a PC network in the office through a switch. Straight Through Configuration more commonly used and relatively easy in the preparation of the cord when installing the rj45 connectors. Here is the color scheme for the type of cable rj45 Straight Through Configuration :
rj45 Straight Through Configuration
2. Cross Over Configuration
Cross Over Configuration is used to connect between  two network devices with a same hierarchy level, as an example of the connection between PC to PC, or PC to the AP Radio, router to router,etc. Here is wiring configuration / installation of the rj45 for Cross Over Configuration.

rj45 Cross Over Configuration