GST852RP LCD Repeater Panel is designed with a microprocessor. It can be connected to the RS485 loop of GST200, GST500 or GST5000 fire alarm control panel, disposing and displaying messages from the control panel like the location and description message of the detectors in alarm, and give audible and visual signals. When several floors or zones are monitored by one fire alarm control panel, a repeater panel can replace the zonal fire alarm control panel on each floor or in each zone. GST852RP connects with fire alarm control panel through RS-485 cable. Each RS-485 can have 64 repeater panels. This repeater panel only displays fire alarm, but not other information like fault and action.