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 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.

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 upper surface and a lower surface. The interposer assembly has host circuit board contacts electrically connected to contact pads of the host circuit board and cable assembly contacts coupled to a pluggable module. The pluggable module includes a mating interface along a bottom of the pluggable module facing the interposer assembly. The pluggable module includes a cable assembly having a cable at the cable end. The cable has a signal conductor and a ground conductor being electrically connected to corresponding cable assembly contacts of the interposer assembly at the upper surface of the interposer substrate.

Abstract: A communication system includes a host circuit board, a receptacle assembly mounted to the host circuit board having a cage member defining a module cavity, and a pluggable module having a pluggable body loaded into the module cavity. The pluggable body has a mating interface along a bottom of the pluggable body facing the host circuit board. The pluggable module has a cable assembly having a cable and a cable connector at an end of the cable including signal contacts held by a contact holder that are terminated to signal conductors of the cable. The signal contacts have deflectable spring beams and mating interfaces along the deflectable spring beams exposed at the mating interface of the pluggable body to engage and directly mate with corresponding signal pads of the host circuit board.

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 card edge connector includes a contact assembly received in a cavity of a housing having a card slot in a shroud configured to receive a card edge of a module circuit board of a pluggable module. The contact assembly has upper and lower contacts having mating ends. The card edge connector includes upper biasing members at a top wall of the shroud associated with corresponding upper contacts each having an outer biasing surface engaging the pluggable module when mated with the card edge connector and having an inner biasing surface engaging the contact assembly proximate to the corresponding upper contact. The upper biasing member is movable from a released position to a compressed position. The upper biasing member moves the upper contact from an unmated position to a mated position as the upper biasing member is moved from the released position to the compressed position.

Abstract: A card edge connector includes a contact assembly received in a cavity of a housing having a card slot in a shroud configured to receive a card edge of a module circuit board of a pluggable module. The contact assembly has upper and lower contacts having mating ends. The card edge connector includes upper biasing members at a top wall of the shroud associated with corresponding upper contacts each having an outer biasing surface engaging the pluggable module when mated with the card edge connector and having an inner biasing surface engaging the contact assembly proximate to the corresponding upper contact. The upper biasing member is movable from a released position to a compressed position. The upper biasing member moves the upper contact from an unmated position to a mated position as the upper biasing member is moved from the released position to the compressed position.

Abstract: A connector assembly includes a cage member having a plurality of walls defining a module cavity for a pluggable module. The walls include a top wall, a bottom wall and side walls extending between the top and bottom walls. The side walls extend to a bottom edge at the bottom wall and include mounting pins extending from the bottom edge that each have a press-fit portion configured to be press fit in a plated via of a circuit board. The bottom wall has a generally planar bottom surface facing the circuit board and a generally planar top surface facing the module cavity. The bottom wall includes a locating feature extending below the bottom surface and having a datum surface configured to engage the circuit board. The datum surface is a predetermined distance from the top surface to set a position of the top surface relative to the circuit board.

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 upper surface and a lower surface. The interposer assembly has host circuit board contacts electrically connected to contact pads of the host circuit board and cable assembly contacts coupled to a pluggable module. The pluggable module includes a mating interface along a bottom of the pluggable module facing the interposer assembly. The pluggable module includes a cable assembly having a cable at the cable end. The cable has a signal conductor and a ground conductor being electrically connected to corresponding cable assembly contacts of the interposer assembly at the upper surface of the interposer substrate.

Abstract: A communication system includes a host circuit board, a receptacle assembly mounted to the host circuit board having a cage member defining a module cavity, and a pluggable module having a pluggable body loaded into the module cavity. The pluggable body has a mating interface along a bottom of the pluggable body facing the host circuit board. The pluggable module has a cable assembly having a cable and a cable connector at an end of the cable including signal contacts held by a contact holder that are terminated to signal conductors of the cable. The signal contacts have deflectable spring beams and mating interfaces along the deflectable spring beams exposed at the mating interface of the pluggable body to engage and directly mate with corresponding signal pads of the host circuit board.

Abstract: An electrical connector module assembly is provided and includes a first shell and a second shell configured to mate together with the first shell along an interface that extends along a portion of the shells. The first and second shells form a cavity therebetween that extends along the length of the shells. The cavity is configured to hold an electrical component therein. The module assembly also includes a plurality of shielding elements positioned along the portion of the shells. The shielding elements are configured to form a seal along the interface that shields the electrical component from electromagnetic interference.

Abstract: A connector assembly includes a cage member having a plurality of walls defining first and second module cavities configured to receive corresponding pluggable modules therein. The module cavities are separated by a separator wall. The connector assembly includes a separator spring plate along the separator wall. The separator spring plate has a base section coplanar with the separator wall along a separator wall plane. The separator spring plate has first separator spring beams extending out of the separator wall plane to a first side of the separator wall plane into the first module cavity to couple to the pluggable module received therein and second separator spring beams extending out of the separator wall plane to a second side of the separator wall plane into the second module cavity to electrically couple to the pluggable module received therein.

Abstract: A pluggable module includes a pluggable body extending between a front end and a mating end receivable in a module cavity of a receptacle assembly to mate with a communication connector. The pluggable body has channel walls defining a cooling channel at a top of the pluggable body allowing airflow between the front end and the mating end. The pluggable body has a plurality of heat transfer fins in the cooling channel between the channel walls and a landing cover spanning between the channel walls over the heat transfer fins. The channel walls, the heat transfer fins and the landing cover are an integral unitary structure.

Abstract: A connector assembly includes a cage member having a plurality of walls defining a module cavity for a pluggable module. The walls include a top wall, a bottom wall and side walls extending between the top and bottom walls. The side walls extend to a bottom edge at the bottom wall and include mounting pins extending from the bottom edge that each have a press-fit portion configured to be press fit in a plated via of a circuit board. The bottom wall has a generally planar bottom surface facing the circuit board and a generally planar top surface facing the module cavity. The bottom wall includes a locating feature extending below the bottom surface and having a datum surface configured to engage the circuit board. The datum surface is a predetermined distance from the top surface to set a position of the top surface relative to the circuit board.

Abstract: A connector assembly includes a cage member having a plurality of walls defining first and second module cavities configured to receive corresponding pluggable modules therein. The module cavities are separated by a separator wall. The connector assembly includes a separator spring plate along the separator wall. The separator spring plate has a base section coplanar with the separator wall along a separator wall plane. The separator spring plate has first separator spring beams extending out of the separator wall plane to a first side of the separator wall plane into the first module cavity to couple to the pluggable module received therein and second separator spring beams extending out of the separator wall plane to a second side of the separator wall plane into the second module cavity to electrically couple to the pluggable module received therein.

Abstract: A pluggable module includes a pluggable body having a top and channel walls extending above the top defining a cooling channel along the top. The cooling channel allows airflow between a front end and a mating end of the pluggable body. The pluggable module includes a communication circuit board held in the pluggable body. The pluggable module includes an EMI shield coupled to the pluggable body above the top. The EMI shield has a shield plate spanning the cooling channel. The shield plate is metal and provides electrical shielding across the cooling channel. The shield plate has openings allowing airflow therethrough to flow through the cooling channel.

Abstract: An electrical connector assembly includes a cage member having walls defining an upper port and a lower port configured to receive pluggable modules therein through a front end of the cage member. The cage member houses a communication connector at a rear of the cage member configured to be electrically connected to the pluggable modules received in the upper and lower ports. The walls are manufactured from a conductive material and providing electrical shielding for the pluggable modules. The plurality of walls include side walls, a top wall between the side walls, a bottom wall between the side walls and a divider wall between the side walls. The divider wall separates the upper port from the lower port. The divider wall is positioned closer to the top wall than the bottom wall such that the lower port is taller than the upper port.

Abstract: A connector assembly includes a cage member having walls defining a module cavity receiving a pluggable module. The walls extend rearward from a front end to a rear end and surround a communication connector at or near the rear end. An EMI skirt is provided at or near the mating interface between the pluggable module and the communication connector. The EMI skirt includes plural spring beams configured to surround a mating perimeter of the pluggable module forward of a mating end of the pluggable module configured to be mated with the communication connector. The spring beams are deflectable and are elastically deformed against the mating perimeter when the pluggable module is mated with the communication connector. The spring beams have mating interfaces configured to engage and electrically connect to the pluggable module.

Abstract: A connector assembly includes a cage member having walls defining a module cavity receiving a pluggable module. The walls extend rearward from a front end to a rear end and surround a communication connector at or near the rear end. An EMI skirt is provided at or near the mating interface between the pluggable module and the communication connector. The EMI skirt includes plural spring beams configured to surround a mating perimeter of the pluggable module forward of a mating end of the pluggable module configured to be mated with the communication connector. The spring beams are deflectable and are elastically deformed against the mating perimeter when the pluggable module is mated with the communication connector. The spring beams have mating interfaces configured to engage and electrically connect to the pluggable module.

Abstract: An electrical connector assembly includes a cage member having walls defining an upper port and a lower port configured to receive pluggable modules therein through a front end of the cage member. The cage member houses a communication connector at a rear of the cage member configured to be electrically connected to the pluggable modules received in the upper and lower ports. The walls are manufactured from a conductive material and providing electrical shielding for the pluggable modules. The plurality of walls include side walls, a top wall between the side walls, a bottom wall between the side walls and a divider wall between the side walls. The divider wall separates the upper port from the lower port. The divider wall is positioned closer to the top wall than the bottom wall such that the lower port is taller than the upper port.