发明名称 ASYMMETRIC COMPATIBLE NETWORK ELEMENT
摘要 <p>An optical network element comprising a plurality of subscriber line connections, a WDM unit having a plurality of WDM channel connections, a plurality of subscriber line interface cards and a plurality of trunk line interface cards for optical interfacing between the subscriber line connections and the WDM channel connections, and a switch arranged, in use, in a manner such as to be capable of switching transmission directions between the WDM channel connections and individual ones of the subscriber line connections by suitable switching of an optical path configuration between transmitter ports and receiver ports of the subscriber line interface cards and the WDM channel connections.</p>
申请公布号 WO2002054683(A1) 申请公布日期 2002.07.11
申请号 AU2001001594 申请日期 2001.12.11
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