Patent ID: 8770864
Filing Date: 2014-07-08
Classification: G02B,H05K

Abstract:
1. A receptacle assembly to be mounted on a wiring board in a casing of a communication system, comprising: a connector having a slot to which a tip end portion of a plug connector of an optical module is to be detachably connected, the plug connector being provided at one end portion of a module board included in the optical module; a receptacle cage made of a metal, including, a connector cover provided in the connector accommodating portion, for covering the connector, wherein when the tip end portion of the plug connector is connected to the slot of the connector, a first clearance formed between an upper surface of the tip end portion of the plug connector and an inner peripheral surface of the slot of the connector is greater than a second clearance formed between an inner peripheral surface of at least one opening of the connector cover facing an open end of the slot of the connector and a proximal portion of the plug connector.