Position 1 on RJ-45 modular plugs is the first pin on the left with the clip pointed away from you. The wire that is inserted into position 1 depends on what standard the installer is using, it will be the striped green and white wire for T-568A and orange and white for T-568B. Position 1 on the RJ-45 modular jack is the first pin on the left with the CATEGORY logo the right side up.
