Optical cross-connecting device
First Claim
1. An optical cross-connecting device for switching wavelength multiplexed signals input from a plurality of optical fibers, comprising:
- switching means for switching per only wavelength group for a part of a plurality of said wavelength multiplexed signals.
1 Assignment
0 Petitions
Accused Products
Abstract
An optical cross-connecting device is small in scale of a switch even when a wavelength multiplexed signal to be transmitted through an optical fiber is high density and wide range. Switching of the wavelength multiplexed signals is performed in a first optical switch, switching per wavelength group in a second optical switch is performed for only signals required switching for smaller granularity, and switching per wavelength signals in a third optical switch is performed for only signals required switching for smaller granularity to from the opticall cross-connecting device. By this, even when the wavelength multiplexed signal to be transmitted through the optical fiber is high density and wide band, the optical cross-connecting device can be small in scale of a switch.
-
Citations
14 Claims
-
1. An optical cross-connecting device for switching wavelength multiplexed signals input from a plurality of optical fibers, comprising:
switching means for switching per only wavelength group for a part of a plurality of said wavelength multiplexed signals. - View Dependent Claims (2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14)
-
7. An optical cross-connecting device for switching wavelength multiplexed signals input from a plurality of optical fibers, comprising:
switching means for performing switching per wavelength group for a plurality of said wavelength multiplexed signals and switching per only wavelength group for a part of a plurality of wavelength groups after switching.
Specification