The present disclosure relates to a standardized hot-pluggable transceiving unit executing a web server function for controlling the transceiving unit, and a method and computer program product for controlling the transceiving unit through the web server function. The method comprises executing by a control unit in the housing of the transceiving unit a web server function, receiving via a communication interface of the transceiving unit a control command, processing the control command by the web server function, and configuring a component of the transceiving unit based on the processing of the control command. The configured component may be the control unit or a signal processing unit. The method may further comprise generating a diagnostic message by the web server function, which is transmitted to a control device via the communication interface. The diagnostic message may comprise a diagnostic of the control unit or the signal processing unit.