公开(公告)号：US06493119B1

公开(公告)日：2002-12-10

申请号：US09648518

申请日：2000-08-25

Applicant: Chien-Yu Kuo ,  Niraj Gupta ,  Ronald Garrison

Inventor： Chien-Yu Kuo ,  Niraj Gupta ,  Ronald Garrison

IPC: H04B1020

CPC classification number: H04B10/1149 ,  H04B10/504 ,  H04B10/564 ,  H04B10/572 ,  H04J14/0221 ,  H04Q11/0005 ,  H04Q2011/0016 ,  H04Q2011/0018 ,  H04Q2011/0024

Abstract: A network switch connecting N input optical fibers and N output optical fibers, each optical fiber carrying M wavelength channels. The network switch has a control unit, a plurality of demultiplexers connected to the input output optical fibers, a plurality of tunable channel units, a switch fabric and a plurality of combiners connected to the output optical fibers. The demultiplexers and tunable channel units provide the wavelength routing function and the switch fabric, which has M×N2 switch points, switches signals from input optical fiber to output fiber so that the switch can switch signals from one wavelength channel to another and from one input optical fiber to one or more output optical fibers of the optical network. The switch fabric is formed from a plurality of switch modules, one switch module for each incoming wavelength channel. The switch modules are also formed from partitionable arrangements of switch elements and combiners so that the switch fabric and switch can be scaled up and reconfigured on an “as needed” basis.

Abstract translation: 一个网络交换机连接N个输入​​光纤和N个输出光纤，每个光纤承载M个波长信道。 网络交换机具有控制单元，连接到输入输出光纤的多个解复用器，多个可调谐通道单元，交换结构和连接到输出光纤的多个组合器。 解复用器和可调谐信道单元提供波长路由功能，具有MxN2切换点的交换结构将信号从输入光纤切换到输出光纤，使得交换机可以将信号从一个波长信道切换到另一个波长信道，并从一个输入光纤 到光网络的一个或多个输出光纤。 交换结构由多个开关模块形成，一个用于每个输入波长通道的开关模块。 交换机模块也由开关元件和组合器的可分割布置形成，使得交换结构和交换机可以在“根据需要”的基础上进行放大和重新配置。