公开(公告)号：US10771183B2

公开(公告)日：2020-09-08

申请号：US16063053

申请日：2016-12-20

Applicant: Xieon Networks S.a.r.l.

Inventor： Benoit Clouet

IPC: H04J14/02 ,  H04Q11/00

Abstract: The present invention relates to an optical network element (30, 34) comprising a wavelength selective switch, WSS, (432, 136) with one or more input ports, a working output port (38) and a separate protecting output port (40), the WSS (432) being configurable to a working configuration, in which one or more channels are routed from said one or more input ports to the working output port (38), and being configurable to a protecting configuration, in which said one or more channels or a subset thereof are routed from said one or more input ports to the protecting output port (40), or with a working input port (42) and a protecting input port (44) and with one or more output ports, the WSS (136) being configurable to a working configuration, in which one or more channels are routed from the working input (42) port to the one or more output ports, and being configurable to a protecting configuration, in which one or more channels are routed from the protecting input port (44) to the one or more output ports, a computer readable medium including program code defining configuration information, a control unit configured to control the WSS (432, 136) to adopt the working configuration or the protecting configuration based on the predefined configuration information.