In order to ensure that Hangzhou Metro No. 7 is officially put into operation at the end of 2020, senior engineers of our company participated in the operation and commissioning of the subway to smoothly ensure the normal operation of the intercom system for passenger assistance.
The window intercom adopts a special external intercom speaker microphone, which is equipped with a power amplifier and an external speaker in the entire window intercom system to realize the broadcast function.
In order to ensure the successful operation of the Sydney Metro, the Sydney Metro Engineering Bureau invited our company's advanced projects to assist in the commissioning of the subway passenger emergency intercom system.
This Emergency Telephone System ( ETS) provided on the expressway to service the needsand requirements of motorists. SOS telephones provide motorists with a method ofdirectly contacting motorway operators to get assistance or report incidents such as a crash or disabled vehicle. The aim of emergency telephones is to help decrease the timetaken to report incidents, resulting in earlier identification of remedial action and improved motorway safety, security and efficiency.
The roadside telephones are able to work for at least one day under the power failure. This emergency help point telephones also support a software adjustable equalizer for setting a noise suppression feature for ambient noise.