SOS roadside cabinets
SOS roadside cabinet ERT-17 has been designed to work in the emergency telephone systems using CWDM technology. ERT-17 is available as Master and Slave. Master cabinet is equipped with VoIP substation, main controller, fiber optic communication device and 20 - 40 W solar panel. Slave cabinet is equipped with VoIP substation. Slave cabinet is connected to the Master cabinet using twisted pair copper cable.