Asymmetric compatible network element

US6731830B2 · kind B2 · utility

Assignees

• Redfern Braodband Networks, Inc. · US
• Redfern Broadband Networks PTY Ltd. · AU

Inventors

• Richard Lauder · Sydney, AU
• Ross Halgren · Mona Vale, AU

Key dates

• Filing date: Jan 5, 2001
• Grant date: May 4, 2004
• Expiry date: Sep 5, 2021

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04Q2011/0086
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

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.