N line is line that connect cam with card reader, for example many cards can not work only in CCcam, you need to use oscam or newcs or sbox or some other card reader and you connect that card reader with cam with N line......
example: you have for example sky Italia card - you have to configure oscam and in the end to connect oscam and CCcam you have to put N line that looks like this N: 127.0.0.1 dummy dummy 01 02 03 04 05 06 07 08 09 10 11 12 13 14
in CCcam cfg........
