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Passenger Information System

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East railway provide complete PIS solutions adapted to different railway passenger car models and different functional requirements.

Product Feature:
》Adopt industrial grade design, multi-service unified integration scheduling, intelligent unified configuration resources
》Fully consider the train compartment environment, reasonably and effectively distribute the display screen, reasonably plan information display, and form a complete environment-friendly passenger information system.
》Perfectly compatible with the vehicle's train control system and operation management system
》Excellence data processing fault tolerance, abnormal input will still keep the system stable
》Adapt to any type of vehicles and different use environments，still keep stable and normal operation under extreme working conditions
》Scientific and reasonable priority control and partitioning control to meet different usage needs
》Easy to upgrade, easy to route, easy to operate, easy to maintenance
》Design, manufacture, test to meet railway industry standards

Overview

Passenger Information System，Abbreviation PIS。

The passenger information system is a system that provides information services to passengers based on the multimedia network technology, with the computer system as the core and the station and the vehicle display terminal as the medium.

Passenger information system provides real-time dynamic multimedia such as travel instructions, service time, train arrival time, train schedule, manager announcement, government announcement, travel reference, stock information, media news, live broadcast, advertisement, etc. under normal circumstances.Information; provide dynamic emergency evacuation alerts in unusual situations such as fires, obstructions, and terrorist attacks.


Main Composition


 


Topology


Basic Functions

>Information release function (normal, emergency information)
>Advertising (image promotion) function
>Multi-language support
>Clock display function (instead of the station clock)
>Full digital transmission
>Centralized network management and device management functions
>Rich interface functions (integrated monitoring, signaling, FAS, external sources, etc.)


Operating Mode

》Station system
Normal mode: The system directly organizes information playback by the control center. The station subsystem receives real-time program content and broadcasts according to the received playlist and window frame.

Degraded mode (emergency mode): When the control center fails or the network communication is interrupted, the affected station subsystem quickly and automatically transitions to the degraded mode, and organizes the playback according to the pre-defined emergency playlist and locally stored program content.

Single point failure mode: When the communication between the individual terminal display device and the system is interrupted, the terminal device with communication interruption is organized and played according to the pre-defined emergency play list and the locally stored program content.The remaining devices operate in their original mode.


》Vehicle system
Real-time mode: The car subsystem receives live video and text messages in real time.

Quasi-real-time mode: When the in-vehicle system cannot communicate with the ground in real time, the onboard subsystem transmits and pre-stores the display information and playlists at high speed through the wireless network during non-moving conditions during the stop of the train stop or during the return of the vehicle.And the window frame for the car system to broadcast, to ensure that the train broadcasts the program throughout the entire operation.

Recording mode: After the operation is completed every day, the in-vehicle subsystem vehicle segment receives the next-day playlist and program content delivered by the storage control center.When the vehicle is in operation, the in-vehicle system plays the pre-stored program content by itself according to the received playlist.

Single point failure mode: When the communication between the vehicle display device and the system of the individual train is interrupted, the train with the communication interruption is organized and organized according to the pre-defined emergency play list and the locally stored program content.The remaining devices operate in their original mode.

PIS Abbreviations

PIS Passenger information system
PA Public address
PIDS Passenger information display system
CCTV Close circuit television
PCU Passenger system control unit
SCU Saloon system control unit
DACU Driver audio control unit
MIC Microphone
PECU Passenger emergency communication unit
CLSP Cab loudspeaker
SLSP Saloon loudspeaker
NM Noise monitor
FDU Front display unit
IDU Interior display unit
LMDU LCD map display unit
LCD Liquid crystal display
MDS Monitor display screen
SCAM Saloon camera

Standards And Specifications

1、Recommendations of ITU-T
2、IEEE related agreement
3、Electronic Industry Association (EIA) standards
4、《Metro Design Code》 (GB50157-2003)
5、《Urban Rail Transit Design Code》 (DG108-109-2004)
6、《Building Standards for Urban Rapid Rail Transit Projects》 (1999 Trial)
7、《Code for Electrical Design of Civil Buildings》 (JGJ/T 16-92)
8、《Technical Specifications for Civil Closed Circuit Surveillance Television System》GB 50198-94
9、《Color TV Broadcast Test Standard》 GB2097-80
l0、 PAL-D TV Broadcasting Technical Specification GH 3171-1995
11、《4:2:2 digital component image signal interface》 GB/T 17953-2000
12、《Code for Design of Railway Communication Power Supply》 TB 10072-2000
13、《Code for Construction and Acceptance of Underground Railway Engineering》 GB50299-1999
 l4、 User-specified technical requirements.


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