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Public transport, as a basic mean of providing mobility for the general population, is a key factor in the development of our society.

Buses, trams, subways, railways, and high-speed trains, including sophisticated driverless vehicles, need an efficient communications system which grows at the same pace as their own operations, all the while as they meet the service availability and safety expectations of their customers.

For this kind of environment, POWERTRUNK provides a complete and professional solution adapted to the specific requirements of each project.

Professional Communications
Solutions for Transport

POWERTRUNK’s radio communications solutions, based on the TETRA standard with unique data transmission enhancing protocols such as SDM (Synchronous Data Manager), provide continuous voice and data communication between vehicles and control systems. This combination provides powerful and reliable support for various applications across the different transport and transit market.

Bus and Tram operations oriented to bus traffic regulation, frequency improvement, passenger safety and customer service benefit from POWERTRUNK´s TETRA solution providing within the same radio network Fleet Localization (AVL), Centralized Control of the buses with fleet divisions and voice emergency features, On-Board solutions integrating voice and data and radio controlled informative panels. POWERTRUNK´s solution is currently deployed in New Jersey Transit providing centralized voice and GPS among other bus data for the entire bus every 40 seconds.

Metro and Railway networks can be supported by POWERTRUNK’s TETRA solution in various applications:

  • Voice: Communications with the driver, PA and Intercom systems
  • Critical Data: Alarm management, vehicle diagnosis, emergencies
  • Vital Data: Signaling data for Train Control.

Characteristics

  • Design and manufacturing control
  • Wide range of solutions according to the functionality required
  • Integration of all elements of the solution
  • Unified, multiservice system
  • Mobility
  • Redundancy
  • Standardized services such as authentication, encryption, etc.
  • On-board equipment adapted to the transport sector
  • Useful standard services: Group calls, broadcast, ambience listening call, etc.
  • Technology with capacity for growth
  • Gradual installation, easy maintenance, turnkey projects

Benefits

  • Product and solution customization. Flexibility
  • Adaptation to the needs of each project
  • Assurance of correct performance, savings in maintenance.
  • Profitability and economic viability
  • Radio technologies specially adapted to mobile environments
  • Maximum availability and reliability
  • Data integrity and security
  • Compliance with railway regulation EN50155
  • Functionality specifically applicable for the transport
    environment
  • Future integration of new services. Possibility of evolution
  • Cost-effective solutions

Complete and Integrated Solutions

  • Radio communications and backhaul system infrastructure (TETRA & Broadband)
  • Interconnection with PA and intercom systems
  • Desktop units for offices and stations
  • On-board user interface (standard or touch-screen)
  • Portable and Mobile Radios
  • Real time CCTV in trains and stations
  • Specialized on-board radio equipment
  • Control Center designed for transport environment (CeCo-TRANS)
  • Communications support for signaling systems ETCS - CBTC - PTC

PowerTrunk Transportation Products Range

RTP-300

  • Railway regulation compliant
  • Several on-board configuration options
  • Functionality:
  • TETRA voice and data communications
  • Interconnection with PA and Intercom systems
  • Location via GPS
  • Power supply according to EN50155
  • Serial Communication interface (RS-232/RS-422/RS-485) and Ethernet Digital I/Os
  • Communications rack managed from touch-screen user interface designed for railway environment or from external application

RTP-603

In addition to the RTP-300 features:

  • Dual equipment: up to two internal radio interfaces
  • Advanced functionality integrated in the communications rack:
    • Interconnection with Passenger Information Systems
    • Railway specific communications interfaces such as MVB bus
    • Interconnection with TCMS for the integration with other train
    • subsystems
    • Interface to connect a beacon reader
    • Voice synthesizer
  • 100% availability, full redundancy of:
    • Power Supply
    • Radio Equipment
    • Communications Rack
  • Support for signaling systems such as ETCS, CBTC, PTC and others

ON-BOARD CONTROL CONSOLE

  • User interface to access to the different on-board radio equipment functions.
  • Connection to the audio accessories: handset with PTT, loudspeaker, ambience microphone.
  • Touch-screen version with advanced functions and capacity for management and display of video.

Functionality

Critical voice communications with the driver:

  • Individual calls
  • Group calls / Broadcast
  • Emergency calls
  • Ambience listening calls
  • Direct Mode calls (DMO)
  • Interconnection calls with maintenance teams
  • Interconnection calls with public safety agencies

Critical data communications:

  • Interconnection with on-board control systems (TCMS: Train Control and Management System)
  • Operational, security, and maintenance commands management
  • Train diagnostics
  • Alarm and event management
  • Advanced location function (by beacons or GPS)

Non-vital data communications:

  • Fixed video surveillance (monitoring of tunnels, crossings and stations)
  • On-board video surveillance (displaying real-time images from trains)
  • Information, announcements, and advertising to passengers
  • Remote download and update of data files

Vital data communications:

  • Railway signaling data transmission (integration with ETCS, CBTC, PTC systems and others)

Interconnection with other train subsystems:

  • Public Address systems
  • Intercom systems
  • Passenger Information Systems
  • Ticketing and counting systems

Summary

Voice

TETRA provides group calls, broadcast calls, emergency calls, calls between trains, etc.,for communication among the main players in the transport environment: drivers, stations, depots, control center, passengers, and security and maintenance staff.
Furthermore, it allows integration with external communications networks (police, firefighters, etc.) in critical situations for emergency coordination.

Vital Data

Signaling systems are responsible for managing driving operations and assuring punctuality, availability, and safety in passenger and freight transportation.

POWERTRUNK radio solutions, focused to optimize costs, provide the data communications means required for applications such as for CBTC, ETCS, and PTC systems, etc.

Critical Data

POWERTRUNK on-board equipment is responsible for obtaining the location information and sending such data to the control center (CeCo-TRANS), so that the position of all vehicles is known within seconds and can be presented over various types of maps and/or synoptic line display.

Another common application is the monitoring and management of alarms and events which take place regarding the on-board equipment and other train subsystems.

Furthermore, the on-board equipment also has also auto-diagnostic functions and is able to be integrated with Passenger Information Systems, which allows passengers to be informed in real-time about next stops, arrival times, and incidents, reducing traveling and waiting times for the users.

Video & Other

The POWERTRUNK TETRA solution for critical voice and data communications is complemented with a broadband radio access layer which supports applications such as:

  • Real-time video to monitor at the control center images from inside the trains
  • Real-time video to display in the driver cabin images of the station as the train approaches
  • File transfer between the control center and trains for various required operations

New York City Transit

The New York City Transit Authority (also known as NYCT) is a public authority in the U.S state of New York that operates public transportation in the New York City area. NYCT is a fundamental part of the Metropolitan Transportation Authority (MTA), the busiest and largest transit system in North America with an overall daily ground and underground ridership of 7+ million trips and a total of 557 million bus ridership a year.


Read the full case study

Toronto Transit

The Toronto Transit Commission (TTC) is the main provider of public transit for the City of Toronto, Ontario, Canada.  It operates transit bus, streetcar, and subway services, carrying an average of 2.76 million passengers per day.

TTC’s network includes four rapid transit lines with 69 stations and 700 transit cars, over 149 bus routes with 1800 buses, and 11 streetcar lines with 250 streetcars, as well as a door-to-door paratransit service for the elderly and disabled known as Wheel-Trans.


Read the full case study

New Jersey Transit

In March 2012, NJ Transit (NJT) awarded Alcatel-Lucent USA (ALU) the first ever TETRA contract in the United States (NJT RFP 11-018 New Bus Radio System). ALU’s subcontractor, PowerTrunk, Inc., was part of the winning proposal with its FCC-certified TETRA-interoperable D-LMR technology (TI D-LMR) and CeCoCo® Computer- Aided-Dispatch (CAD) platform for operation in the 806-824/851-869 MHz band.


Read the full case study

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