Abstract: A connector assembly includes a plurality of receptacle modules configured to be received in corresponding module channels in a receptacle cage. Each receptacle module has a housing holding a contact assembly. The housing has a card slot at a front of the housing. The contact assembly has contacts terminated to ends of cables. The contacts have mating ends at the card slot to mate with a pluggable module received in the receptacle cage. The connector assembly includes an integrator having integrator walls forming a plurality of chambers. Each chamber receives the corresponding receptacle module. The connector assembly includes a latch coupled to the integrator. The latch configured to be latchably coupled to the receptacle cage.

Abstract: An optical receptacle connector includes a receptacle housing having housing walls defining a contact cavity and an optical cavity. The receptacle housing includes an upper wall and a lower wall at a front of the receptacle housing defining a card slot receiving a mating edge of an optical module circuit board of a pluggable optical generator module. The upper wall includes an upper wall opening above the card slot. A contact assembly having receptacle contacts is received in the contact cavity to supply power to the pluggable optical generator module to operate a light source of the pluggable optical generator module. A receive optical connector is coupled to the receptacle housing above the upper wall opening and mated with a supply optical connector of the pluggable optical generator module to receive optical signals from the supply optical connector.

Abstract: An optical receptacle connector includes a receptacle housing defining a contact cavity, an optical cavity, and a card slot at a front of the receptacle housing configured to receive an edge of an optical module circuit board. A contact assembly having receptacle contacts is received in the contact cavity and extend into the card slot to supply power to the pluggable optical generator module to operate a light source. The optical receptacle connector includes a receive optical connector coupled to the receptacle housing having a ferrule holding at least one optical fiber configured to be mated with a supply optical connector of the pluggable optical generator module to receive optical signals from the supply optical connector.

Abstract: A receptacle assembly includes a receptacle cage surrounding an intermediate connector configured to be coupled to the host circuit board. The receptacle cage receives a plug module and a receptacle module mated with the plug module. The receptacle module includes a receptacle housing having a card slot and holding a receptacle contact assembly. The receptacle contacts include cable contacts terminated to cables and intermediate contacts terminated to the intermediate connector. The intermediate connector electrically connects the intermediate contacts with the host circuit board.

Abstract: A connector includes a housing, a plurality of transmission terminals disposed within the housing, and a grounding strip disposed within the housing and arranged on one side of the plurality of transmission terminals. The grounding strip includes a plurality of grounding terminals and a plurality of extensions. The plurality of grounding terminals each extend from at least one end of the grounding strip. The plurality of extensions each extend from the grounding strip and are arranged between two adjacent ones of the plurality of grounding terminals. At least one of the plurality of extensions faces towards corresponding ones of the plurality of transmission terminals.

Abstract: A connector connection terminal for an electrical connector includes a main body part, a soldering leg and a transition section. The main body part is adapted to be installed inside an insulating housing of the electrical connector. The soldering leg is adapted to be soldered onto a circuit board so as to electrically connect the connection terminal to the circuit board. The soldering leg and the main body part have different widths. The transition section extends from the main body part to the soldering leg such that a width of at least a portion of the transition section is gradually changed.

Abstract: A receptacle cage includes shielding walls forming a module channel configured to receive a pluggable module. The shielding walls include a first end wall, a first side wall extending from the first end wall and a second side wall extending from the first end wall opposite the first side wall. The first end wall, the first side wall and the second side wall form the module channel. The receptacle cage includes a hood extending from the first end wall forming a chamber located outside of the module channel. The receptacle cage includes a cage polarization slot formed in the first end wall at a first distance from the first side wall. The cage polarization slot is open to the chamber. The cage polarization slot is configured to receive a module polarization feature of the pluggable module such that the module polarization feature is located in the chamber and covered by the hood.

Abstract: A communication system having a circuit board with an airflow opening includes a receptacle cage configured to be mounted to the circuit board adjacent a communication connector. The receptacle cage has walls including a front wall, a rear wall and side walls defining a cavity. A module channel is defined in the cavity configured to receive a pluggable module. The module channel has a module port at the front wall that receives the pluggable module. An airflow channel is defined by at least one of the walls of the receptacle cage located between the module channel and the circuit board. The airflow channel is configured to be in flow communication with the airflow opening in the circuit board for cooling the pluggable module in the module channel. The airflow channel has an airflow port at the front wall.

Abstract: An optical receptacle connector includes a receptacle housing defining a contact cavity, an optical cavity, and a card slot at a front of the receptacle housing configured to receive an edge of an optical module circuit board. A contact assembly having receptacle contacts is received in the contact cavity and extend into the card slot to supply power to the pluggable optical generator module to operate a light source. The optical receptacle connector includes a receive optical connector coupled to the receptacle housing having a ferrule holding at least one optical fiber configured to be mated with a supply optical connector of the pluggable optical generator module to receive optical signals from the supply optical connector.

Abstract: An optical receptacle connector includes a receptacle housing having housing walls defining a contact cavity and an optical cavity. The receptacle housing includes an upper wall and a lower wall at a front of the receptacle housing defining a card slot receiving a mating edge of an optical module circuit board of a pluggable optical generator module. The upper wall includes an upper wall opening above the card slot. A contact assembly having receptacle contacts is received in the contact cavity to supply power to the pluggable optical generator module to operate a light source of the pluggable optical generator module. A receive optical connector is coupled to the receptacle housing above the upper wall opening and mated with a supply optical connector of the pluggable optical generator module to receive optical signals from the supply optical connector.

Abstract: A communication system having a circuit board with an airflow opening includes a receptacle cage configured to be mounted to the circuit board adjacent a communication connector. The receptacle cage has walls including a front wall, a rear wall and side walls defining a cavity. A module channel is defined in the cavity configured to receive a pluggable module. The module channel has a module port at the front wall that receives the pluggable module. An airflow channel is defined by at least one of the walls of the receptacle cage located between the module channel and the circuit board. The airflow channel is configured to be in flow communication with the airflow opening in the circuit board for cooling the pluggable module in the module channel. The airflow channel has an airflow port at the front wall.

Abstract: A pluggable module includes a pluggable body having an upper shell at the top and a lower shell at the bottom that define an interior chamber. The upper shell includes side walls extending to the top and an upper wall extending between the side walls. The upper shell includes an airflow channel and EMI prevention fins having EMI channels therebetween in flow communication with the airflow channel. The upper wall along the airflow channel is at a first depth from the top and the upper wall along the EMI channels is at a second depth deeper than the first depth.

Abstract: An electrical connector that includes a housing with an interior cavity configured to receive a card. Electrical contacts are secured across a wall of the housing within the interior cavity and are configured to matingly receive corresponding electrical contacts of the card. The plurality of electrical contacts secured across the wall of the housing are the only electrical contacts of the electrical connector. Each of the plurality of electrical contacts includes a mating interface and the mating interface of each of the plurality of electrical contacts is co-planer. Additionally, the housing includes a card slot opening and each of the plurality of electrical contacts are arranged on one side of the card slot opening.

Abstract: A communication system includes a plug module having a plug housing and a plug latch and a receptacle module having a receptacle housing and a receptacle latch. The receptacle module includes a receptacle connector with a card slot receiving a plug module circuit board. The receptacle connector includes cables terminated to contacts and extending from the receptacle connector. A receptacle cage includes a front cage interface receiving the plug module and a rear cage interface receiving the receptacle module. The front cage interface matches the rear cage interface including a front latching feature and a rear latching feature interfacing with the plug and receptacle latches.

Abstract: A communication system includes a plug module having a plug housing and a plug latch and a receptacle module having a receptacle housing and a receptacle latch. The receptacle module includes a receptacle connector with a card slot receiving a plug module circuit board. The receptacle connector includes cables terminated to contacts and extending from the receptacle connector. A receptacle cage includes a front cage interface receiving the plug module and a rear cage interface receiving the receptacle module. The front cage interface matches the rear cage interface including a front latching feature and a rear latching feature interfacing with the plug and receptacle latches.

Abstract: A communication system includes a host circuit board and an interposer assembly coupled to the host circuit board having an interposer substrate including an host circuit board contacts at a lower surface and module contacts at an upper surface. The communication system includes an optical pluggable module having a mating interface along a bottom of the optical pluggable module facing the interposer assembly. The optical pluggable module includes a module substrate and optical engines coupled to the module substrate with optical fiber cables extending from the optical engines to the cable end. The module substrate has module substrate contacts at a lower surface of the module substrate being electrically connected to corresponding module contacts of the interposer assembly at the upper surface of the interposer substrate.

Abstract: A stacked receptacle connector assembly includes a receptacle cage configured to be mounted to a circuit board, a lower communication connector assembly received in the receptacle cage, and an upper communication connector assembly stacked in the receptacle cage above the lower communication connector assembly. The receptacle cage has a divider between an upper and lower module channels receiving upper and lower pluggable modules. The lower communication connector assembly includes a lower communication connector. The upper communication connector assembly includes a paddle card, an upper communication connector mounted to the paddle card, and a cable assembly having cables electrically connected to the paddle card and extending from the paddle card.

Abstract: A stacked receptacle connector assembly includes a receptacle cage configured to be mounted to a circuit board, a lower communication connector assembly received in the receptacle cage, and an upper communication connector assembly stacked in the receptacle cage above the lower communication connector assembly. The receptacle cage has a divider between an upper and lower module channels receiving upper and lower pluggable modules. The lower communication connector assembly includes a lower communication connector. The upper communication connector assembly includes a paddle card, an upper communication connector mounted to the paddle card, and a cable assembly having cables electrically connected to the paddle card and extending from the paddle card.

Abstract: A pluggable module includes a pluggable body having an upper shell at the top and a lower shell at the bottom that define an interior chamber. The upper shell includes side walls extending to the top and an upper wall extending between the side walls. The upper shell includes an airflow channel and EMI prevention fins having EMI channels therebetween in flow communication with the airflow channel. The upper wall along the airflow channel is at a first depth from the top and the upper wall along the EMI channels is at a second depth deeper than the first depth.

Abstract: A receptacle connector assembly includes a receptacle cage having walls defining a cavity and a divider in the cavity including upper and lower panels separated by a gap and separating the cavity into upper and lower module channels receiving corresponding pluggable modules. The receptacle connector assembly includes a communication connector in the cavity having a housing holding upper and lower contact modules. The receptacle connector assembly includes a light pipe assembly including a first light pipe member coupled to the communication connector and a second light pipe member coupled to the divider. The second light pipe member receives light from the first light pipe member at a separable mating interface.