Patent ID: 9638865
Date: 2017-05-02
CPC Classifications: G02B,G02F,H04J,H04Q

Claim:
1. A switch device for an optical signal, comprising: a housing; first and second splitter portions which are provided in the housing and which each include a plurality of optical splitters each having a common port and a plurality of branch ports and configured to perform division and merging of the optical signal between the common port and the plurality of branch ports; first and second switch portions which are provided in the housing and which each include a plurality of optical switches each having a common port and a plurality of branch ports and configured to perform route selection of the optical signal between the plurality of branch ports and the common port; and an extension splitter portion which is provided in the housing and which includes a plurality of optical splitters each having a common port and a plurality of branch ports and configured to perform division and merging of the optical signal between the common port and the plurality of branch ports, wherein the plurality of branch ports of the first splitter portion are connected to the plurality of branch ports of the first switch portion, and the plurality of branch ports of the second splitter portion are connected to the plurality of branch ports of the second switch portion, and the plurality of branch ports of the extension splitter portion and the common ports of the first and second splitter portions are connectable to each other outside the housing.