Patent ID: 7197241
Filing Date: 2007-03-27
Classification: H04J,H04Q

Abstract:
1. An optical system comprising: a first optical switch including at least distinct dedicated and shared protection sections; a first client optical transmitter in optical communication with said first optical switch; at least first and second receivers optically communicating with said first optical switch; wherein: said dedicated protection section includes: a splitter having a splitter input port optically communicating with a first switch input port and at least first and second splitter output ports; a first transmitter switch having a first input port in optical communication with said first splitter output port, a first output port in optical communication with said first receiver, and a second output port; and, a second transmitter switch having a first input port in optical communication with said second splitter output port, a second input port, and a first output port in optical communication with said first input port and said second receiver in a first switch state and in optical communication with said second input port and said second receiver in a second switch state.