????? ????? ????? STC ?????? ?????? ?????? ???????? ?????? ?????. ???? ??? ???? ???? ????? ?????? ????? ??????????. ???? {????? STC , ?????? ???? ???? ???????? ???????? ?? ???? ????? ??????? . ????? ?? ??????? ???????: ??????? FIBER ?? STC ??? ??????? ??????? ????? ????? ?????????? ???????????? ?????????. ???? ??? ??????? ???????? ????? ?? ???