SN168 ???? ????? ??????????? ?????? ????? ??????? ???????. ???? ?? ?? ??? ???????? ??? ????? ??? ???. ???????????? ??? interface ??? ??? ????????? ??????????. ???? ????? ??????? ????? ???? ??? SN168 ?????? SN168 ???! ??????? SN168 ?????? ??????? ??????????????? ??????? ??? ?????? ???????? ?????? ??? ??????????? ???? ????? need to ???? ???