▍System features
● | Hardware platform adopts the embedded ARM platform with the COMPACT PCI structure. The function modules are of the plug plate design, with the platform designed according to the industrial-level design of low power consumption and small size with the low carbon emission, and it is an environment-friendly product. |
● | Software platform adopts Linux, and the system is running efficiently without viruses. |
● | The Gigabit Ethernet ring communication platform provides the redundant and reliable communication protection for the broadcasting, voice, video, control, etc. With UIC568 as the standby bus of broadcasting system, when the communication fails, the broadcasting system is still able to operate normally. |
▍Subsystems and main functions
PA subsystem | |||
● | Train operation information broadcast | ● |
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● | Accompanying sound of multimedia video | ● | Passenger emergency communication unit |
● | Public address priority control | ● | Volume adjustment |
● | Stop announcement voice edition | ● | Driver-passenger intercom |
● | Door opening/closing prompt tone and overload warning | ||
Passenger information display subsystem | |||
● | Destination display at train side | ● | LED dynamic map display |
● | Passenger information display in the saloon (including the coach number, no-smoking signs and toilet signs)
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Video entertainment subsystem | |||
● | Automatic alarm linkage | ● | Partitioned video play |
● | Multiple safety protection mechanism | ● | System broadcast log |
● | Centralized broadcast and control of audio and video of the whole train | ||
CCTV subsystem | |||
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Cab and saloon CCTV |
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Support of digital watermarking and image labeling technologies |
● | Automatic collection, transmission and storage of monitoring images | ● | Query, playback and download of monitoring video files |
● | Alternate display of video images on the monitor | ● | Failure self-diagnosis |