<a href=showthread.php?s=&postid=12137840#post12137840 target=_blank>Originally posted</a> by AQD_ottawa
The reason for the labelling is because each L port can be split using the YL2-1 splitter
So in effect you have 4 L ports neatly packed into two sockets, you can then unpack the sockets to the relevant 4 ports using the mentioned splitter.