Integrated Passenger Information System


Integrated Passenger Information System is a single control providing announcement for announcing train information to passengers and visual information using LED display boards and CCTV system. The LED display boards are connected to RS-485 network build based on serial communication HUBs. The Integrated Passenger Information System (IPIS) is 100% compliance to RDSO Specification no RDSO/SPN/TC/61/2007 Rev 2.0 and Amendment NO 1. The Integrated Passenger System includes

Redundant Console Control Unit (CCU)
LED Display boards with Serial Communication Hubs
CCTV
PC based announcement

The LED display boards are
Multi Line Display Board ( MLDB) used at main entrance
At-A Glance Display Board ( AGDB)
Platform Display Board (PDB)
Coach Guidance Display Board ( CGDB)

The Serial Communication Hubs are
Main Data Communication Hub (MDCH)
Platform Data Communication Hub ( PDCH)



CONSOLE CONTROL UNIT

Single button click for transmitting the Train Information data to display boards and CCTV.
Single button click for transmitting the Coach Information data to CGDB and this tightly coupled with train status
Add and delete train information. Delete train information removes data sent to display boards and CCTV.
Voice plays back and voice recording facility. Provision for number times repeating the same voice and also stop & pause of voice.
In Redundant mode, the redundant CCU listens to all the activities of other CCU.
Supports upto five digits for train number.
Generate log, train info and Coach Info reports based on date.
Intensity control of display boards with user time settings
Selection of effects for special train status such as canceled, terminated, diverted etc
Selection of effect for individual lines of MLDB
MLDB can be configured exclusively for arrival, departure and both.
User friendly network topology configuration
Diagnostics of all the display boards and HUB's connected on the network, including individual LED testing of display boards.
Provision for text based advertisements and selection of display boards for displaying advertisements.
Supports all Indian languages including font selection etc
Only admin user has access to write & read to database and log reports. Other user has only read facility.
Provision of set and get hub configuration
Provides report of complete network, in other words how display boards and hub's connected on network.
Overall system health checks and alerts user when some thing wrong.

HUB

Can be configurable as MDCH or PDCH
In MDCH mode, two RS-232 ports enabled, operates @ 57.6 Kbps, connected to CCU's
In PDCH mode, two RS-485 ports enabled, operates @ 38.4/19.2/9.6/4.8 Kbps, connected to MDCH.
Sixteen RS-485 ports, operates @ 38.4/19.2/9.6/4.8Kbps, connected to display board etc.
Route the data/control packets to respective destination
Communication indications for 16 ports on the front panel.
Checks the integrity of packets and drops corrupted packets
All RS-232 and RS-485 ports are optically isolated
Immune to 25KVA traction lines and EMI

MLDB

Supports up to 10 display lines
Displays train number, name of train, expected time, arrival/departure and platform number for multiple trains
All the lines displays same language information simultaneously irrespective of effect of lines.
Located at main entrance and important places
Displays information in English and Indian languages
Two RS-485 connectors can be used for multi drop mode. The RS-485 operates @ 38.4/19.2/9.6/4.8 Kbps. RS-485 interface is optically isolated
Immune to 25KVA traction lines and EMI
Supports text based advertisements

PDB

Displays train number, name of train, expected time, arrival/departure and platform number for multiple trains
Two RS-485 connectors can be used for multi drop mode. The RS-485 operates @ 38.4/19.2/9.6/4.8 Kbps. RS-485 interface is optically isolated
Immune to 25KVA traction lines and EMI
Displays information in English and Indian languages
Suspended in the middle of the platform
Supports single face display and double faced display
Supports text based advertisements

AGDB

3-line ( 8x240 LED matrix per line) display board
First line display train information and other lines display coach position of a train
Two RS-485 connectors can be used for multi drop mode. The RS-485 operates @ 38.4/19.2/9.6/4.8 Kbps. RS-485 interface is optically isolated
Immune to 25KVA traction lines and EMI
Provided a symbol to indicate coach numbers of left and right of the Foot Over Bridge
Displays default information as per user configuration when no trains information available.

CGDB

Two RS-485 connectors can be used for multi drop mode. The RS-485 operates @ 38.4/19.2/9.6/4.8 Kbps. RS-485 interface is optically isolated
Immune to 25KVA traction lines and EMI
Display train number and coach number alternatively
Display default information such as station name, region name, platform number etc when no train information available.

Typical network topology is as shown below figure.


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