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