Patent ID: 7758381

Claim:
A cage that is mounted on a board of a host system such that a front end of said cage exposes from an opening formed in a front panel of said host system to receive a pluggable optical transceiver that has an electrically conductive housing, said front panel being made of electrical conductive material, wherein said cage provides a plurality of cage fingers each having a first contact portion and a second contact portion, said first contact portion coming in contact with said front panel and said second contact portion coming in contact with said pluggable optical transceiver, wherein said first contact portion and said second contact portion are continuously formed as a single limb, and wherein said cage finger has a corrugated cross section, said first contact portion forming a crest of said corrugated cross section to come in elastically contact with an edge of said opening of said front panel and said second contact portion forming a trough of said corrugated cross section to come in elastically contact with said electrically conductive housing of said optical transceiver.