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????????????????????????? BNC ??????????????????????????? RJ-45 ???? ???????????????????????????????????? Media converter ?????????????????????????????????????????????? Allied Telesis ???????????????????????????????????????????  ?????????????????????????????????????????????? ??????????????????????????????????? Media converter ????????????????????????????????????? ??????????????????????????? maintenance ???????

???????????????? Dual Balun BNC Female to RJ45, 2Mbps ????????????? convert an E1/T1 Channel consisting of 1 Transmit and 1 Receive signal from 75 ohm. coaxial to 2 x 120 ohm. twisted pair signals on an RJ45/Cat5 cable ??????????????????????? BNC ??????????