... is based on super large scale integrated circuit ,a point to point ,link circuit ,loop optical transmission equipment . It can ... rack mounting ,desktop ,wall-hung ,and insert-card7.three types of power supply mode : 220VAC,-48VDC,+24VDC8.transmission distance : 2 ... 1.interface rate : 100M auto-adapt2.interface protocol : IEEE802.3,IEEE802.3U,IEEE802.1d3.physical interface : RJ45Power Voltage : AC180V ...