To utilize the benefits of the comfortable and extremely robust Comtech ComMon network element management solution more customers asked us for transponders using this protocol but compatible with devices from other manufacturers. Based on their needs communication and ingress switching elements have been developed for C-COR, Cisco, Harmonic, Kathrein and Motorola amplifiers and nodes. More of them are already available with standard and other type of special protocols too. These products are very popular at the larger hungarian service providers.