An apparatus comprising: a port configured for connection with a first connector that includes a first connector array of magnets having a first connector magnetic polarity pattern, the port including: a port array of electromagnets, each electromagnet of the port array of electromagnets having a magnetic polarity, the port array of electromagnets being configured in a first port magnetic polarity pattern that is complementary to the first connector magnetic polarity pattern so as to guide and align the first connector toward a mounted position in which the first connector is retained on the port, wherein the guiding and the aligning is through both (i) attraction when the first connector is properly aligned to the port and (ii) repulsion when the first connector is improperly aligned to the port, and a port array controller (20, 20') configured to change the port array of electromagnets to a second port magnetic polarity pattern that is different from the first port magnetic polarity pattern, wherein the second port magnetic polarity pattern is complementary to a second connector magnetic polarity pattern of a second connector array of magnets of a second connector configured for connection with the port, thereby enabling the port to accept only a connector having the second port magnetic polarity pattern, and wherein the magnetic polarity of at least one electromagnet of the port array of magnets is reversed when the port array of electromagnets is changed from the first port magnetic polarity pattern to the second port magnetic polarity pattern, characterized in that the apparatus further comprises a securing magnet, activatable between a first and second polarity, configured to be activated when the first connector reaches the mounted position, to magnetically secure the first connector to the port. a port configured for connection with a first connector that includes a first connector array of magnets having a first connector magnetic polarity pattern, the port including: a port array of electromagnets, each electromagnet of the port array of electromagnets having a magnetic polarity, the port array of electromagnets being configured in a first port magnetic polarity pattern that is complementary to the first connector magnetic polarity pattern so as to guide and align the first connector toward a mounted position in which the first connector is retained on the port, wherein the guiding and the aligning is through both (i) attraction when the first connector is properly aligned to the port and (ii) repulsion when the first connector is improperly aligned to the port, and a port array controller (20, 20') configured to change the port array of electromagnets to a second port magnetic polarity pattern that is different from the first port magnetic polarity pattern, wherein the second port magnetic polarity pattern is complementary to a second connector magnetic polarity pattern of a second connector array of magnets of a second connector configured for connection with the port, thereby enabling the port to accept only a connector having the second port magnetic polarity pattern, and a port array of electromagnets, each electromagnet of the port array of electromagnets having a magnetic polarity, the port array of electromagnets being configured in a first port magnetic polarity pattern that is complementary to the first connector magnetic polarity pattern so as to guide and align the first connector toward a mounted position in which the first connector is retained on the port, wherein the guiding and the aligning is through both (i) attraction when the first connector is properly aligned to the port and (ii) repulsion when the first connector is improperly aligned to the port, and a port array controller (20, 20') configured to change the port array of electromagnets to a second port magnetic polarity pattern that is different from the first port magnetic polarity pattern, wherein the second port magnetic polarity pattern is complementary to a second connector magnetic polarity pattern of a second connector array of magnets of a second connector configured for connection with the port, thereby enabling the port to accept only a connector having the second port magnetic polarity pattern, and wherein the magnetic polarity of at least one electromagnet of the port array of magnets is reversed when the port array of electromagnets is changed from the first port magnetic polarity pattern to the second port magnetic polarity pattern, characterized in that the apparatus further comprises a securing magnet, activatable between a first and second polarity, configured to be activated when the first connector reaches the mounted position, to magnetically secure the first connector to the port.