SN168 ??? ??????? ?????? 1 ?????? ????? ??????? ????. ???? ?? ?? ??? ?????? ??? ????? ?????????? ???. ???????????? ?????? interface ??? ??? ????????? ??????????. ????? ?????? ?? ????????? ???? ??? ???????? ?????? SN168 ???! ??????? SN168 ?????? ??????? ??????????????? ??????? ???? ???????? ???????? ??????? ??? ??????????? ???? ????? need to