Image Number 2 for United States Patent #7574132.
A method for starting lasers in a network is provided. According to the method, a restart phase in automatic mode is initiated after the laser is disconnected. During the restart phase in automatic mode, which is accompanied by a delay time for the new laser connection, the automatic mode is switched to a different mode in which the new connection of the laser takes place faster than in automatic mode. This can be achieved by switching to manual mode as per ITU-T G.664. Furthermore, safety measures are defined before activating switching from the network management or a network element control so that safety is ensured during the fast, new connection of the laser.