RJ45 8P/8C socket to socket.

Wired in crossover configuration this not a straight through joiner.

Pin #1 ==>pin #8
Pin #2==>pin #7
Pin #3==>pin #6
Pin #4 ==>pin #5
Pin #5==>pin #4
Pin #6==>pin #3
Pin #7==>pin #2
Pin #8==>pin #1

Note: Not suitable for Network Cables