Connector assembly having an adjustable polarity, comprising: a frame configured to securely house a first ferrule and a second ferrule, the frame comprising a top frame component and a bottom frame component; wherein the top frame component is configured to be coupled to the bottom frame component; the top frame component includes a first back post portion and a first plug frame portion and the bottom frame component includes a second back post portion and a second plug frame portion; the first ferrule is located in the first plug frame portion and the second ferrule is located in the second plug frame portion; and a latch component attached to one of the top frame component and the bottom frame component; characterized in that the latch component is configured to rotate around the frame to change the polarity of the connector assembly from a first polarity when the latch component is located at a first polarity position to a second polarity when the latch component is located at a second polarity position; the connector assembly comprises at least one locking recess and at least one locking element, the at least one locking element being configured to engage the at least one locking recess to prevent rotation of the latch component relative to the frame; and the connector assembly comprises at least one compression element configured to disengage the at least one locking element from the at least one locking recess when the at least one compression element is compressed, thereby allowing the latch component to rotate around the frame. a frame configured to securely house a first ferrule and a second ferrule, the frame comprising a top frame component and a bottom frame component; wherein the top frame component is configured to be coupled to the bottom frame component; the top frame component includes a first back post portion and a first plug frame portion and the bottom frame component includes a second back post portion and a second plug frame portion; the first ferrule is located in the first plug frame portion and the second ferrule is located in the second plug frame portion; and wherein the top frame component is configured to be coupled to the bottom frame component; the top frame component includes a first back post portion and a first plug frame portion and the bottom frame component includes a second back post portion and a second plug frame portion; the first ferrule is located in the first plug frame portion and the second ferrule is located in the second plug frame portion; and a latch component attached to one of the top frame component and the bottom frame component; characterized in that the latch component is configured to rotate around the frame to change the polarity of the connector assembly from a first polarity when the latch component is located at a first polarity position to a second polarity when the latch component is located at a second polarity position; the connector assembly comprises at least one locking recess and at least one locking element, the at least one locking element being configured to engage the at least one locking recess to prevent rotation of the latch component relative to the frame; and the connector assembly comprises at least one compression element configured to disengage the at least one locking element from the at least one locking recess when the at least one compression element is compressed, thereby allowing the latch component to rotate around the frame.