| CPC H01R 13/504 (2013.01) [G02B 6/4246 (2013.01); G02B 6/4277 (2013.01); G02B 6/4284 (2013.01); H01R 13/6275 (2013.01)] | 20 Claims |

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1. An optical system, comprising:
a cage; and
an optical transceiver inserted into the cage in a pluggable manner and comprising:
a housing;
a partition component provided on the housing; and
a fastening component movably disposed on the housing between a fastening state and a releasing state, wherein the fastening component is fastened with the cage in the fastening state and detached from the cage in the releasing state, and wherein the fastening component is hooked with the cage in the fastening state, and
the partition component is located between the fastening component and the cage to separate a part of the fastening component from the cage when the fastening component moves between the releasing state and the fastening state.
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