An antenna control system for controlling an antenna of a radio base station based on a 3GPP or AISG (Antenna Interface Standards Group) protocol, the antenna control system comprising: at least one functional unit (100,100a, 100b, 100-1∼100-n) configured to control the antenna of the radio base station; a plurality of control devices (300a, 300b, 300-1∼300-m) configured to transmit a control signal to the functional unit (100,100a, 100b, 100-1∼100-n) so as to control and power the functional unit; characterized in that a switching unit (200,200-1∼200-2) configured to be interconnected between the plurality of control devices (300a, 300b, 300-1∼300-m) and the at least one functional unit (100,100a, 100b, 100-1∼100-n) so as to selectively electrically connect any of the plurality of control devices (300a, 300b, 300-1∼300-m) to the functional unit, wherein, upon determining that a vendor specific procedure initiated by the control device (300a, 300b, 300-1∼300-m) in an electrical connection with the functional unit (100,100a, 100b, 100-1∼100-n) - hereinafter abbreviated as a 'first control device' - is completed, the switching unit (200,200-1∼200-2) is configured to take over the electrical connection with the functional unit (100,100a, 100b, 100-1∼100-n) to another control device, wherein the vendor specific procedure is configured to be carried out between the first control device (300a, 300b, 300-1∼300-m) and the functional unit, wherein the vendor specific procedure comprises: transmitting, performed by the first control device, an initiating message that contains information on a takeover to said another control device, to the functional unit; and transmitting a response message of the functional unit (100,100a, 100b, 100-1∼100-n) in response to the initiating message, to the first control device. at least one functional unit (100,100a, 100b, 100-1∼100-n) configured to control the antenna of the radio base station; a plurality of control devices (300a, 300b, 300-1∼300-m) configured to transmit a control signal to the functional unit (100,100a, 100b, 100-1∼100-n) so as to control and power the functional unit; characterized in that a switching unit (200,200-1∼200-2) configured to be interconnected between the plurality of control devices (300a, 300b, 300-1∼300-m) and the at least one functional unit (100,100a, 100b, 100-1∼100-n) so as to selectively electrically connect any of the plurality of control devices (300a, 300b, 300-1∼300-m) to the functional unit, wherein, upon determining that a vendor specific procedure initiated by the control device (300a, 300b, 300-1∼300-m) in an electrical connection with the functional unit (100,100a, 100b, 100-1∼100-n) - hereinafter abbreviated as a 'first control device' - is completed, the switching unit (200,200-1∼200-2) is configured to take over the electrical connection with the functional unit (100,100a, 100b, 100-1∼100-n) to another control device, wherein the vendor specific procedure is configured to be carried out between the first control device (300a, 300b, 300-1∼300-m) and the functional unit, transmitting, performed by the first control device, an initiating message that contains information on a takeover to said another control device, to the functional unit; and transmitting a response message of the functional unit (100,100a, 100b, 100-1∼100-n) in response to the initiating message, to the first control device.