ref: EL011È The 0112 and Proteje mains, antenna and telephone modem It assures one complete protection against surges and tips of tension produced by electrical storms, short circuits, static electricity, etc. It avoids interferences and the effects of the electrical noise (responsible for errors and loss of data, disconnections nonwished of line, interruptions of signal, etc. Protection of the apparatuses connected to the installation of the antenna and the telephone line It has an indicator that it indicates that the circuits of protection estan verified and ready to work. | 
