Passenger Announcement & Public Information System (PAPIS)

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Redefining the Onboard Travel Experience in Indian Railways:

At Masstrans, we are proud to introduce PAPIS (Passenger Announcement & Public Information System) a next-generation onboard communication solution engineered specifically for railway coaches. This intelligent platform delivers real-time audio and visual updates, ensuring every commuter stays informed from departure to destination.
advertisement display board

What is PAPIS?

PAPIS is a fully integrated onboard communication system that combines audio announcements, digital displays, GPS-based tracking, and safety features into a single, scalable architecture.

From announcing upcoming stations to displaying train progress and handling emergency alerts, PAPIS ensures seamless communication throughout the journey.

System Components:

MPU – Main Processing Unit

The MPU is the central controller (brain) of the system. It communicates with all connected modules, including displays, speakers, and safety devices.

Equipped with a 7-inch touchscreen, it allows operator to select routes and control system functions in real time. It also includes a built-in microphone for manual announcements.

Main Processing Unit

Key Capabilities:

  • Route and station database management
  • Audio-visual synchronization
  • System diagnostics and monitoring
  • Central communication hub

LED Destination Boards (Exterior)

Installed outside each coach, these boards provide clear visibility to passengers on platforms.

Passenger information board

Features:

  • Displays train number, name, and route
  • High-brightness LEDs for day/night visibility
  • IP65-rated rugged enclosure
  • Pixel pitch: 5–8 mm for sharp readability

LCD Display Panels (Interior)

Mounted inside coaches, these displays provide continuous journey updates.

Passenger Information display board

Displays:

  • Next station and ETA
  • Current speed
  • Passenger advisory messages

Specification:

  • Resolution: 1080 × 720
  • Fully customizable content

GPS-Based Location Module

This module enables automatic station detection and announcement triggering.

LCD display

Functions:

  • Real-time train tracking
  • Automatic audio announcements
  • Accurate journey progress updates

Audio Amplifier & Speaker System

A 100W amplifier powers speakers across the coach, ensuring clear announcements even in noisy environments.

Passenger information system

Network Switch

Connects all LCD displays via an Ethernet network.

Network switch

Features:

  • Supports up to 8 displays
  • High-speed, low-latency communication
  • Scalable for future expansion

PDU – Power Distribution Unit

Converts 110V DC (railway supply) to 24V DC required by system components.

Ensures stable and reliable power distribution across all modules.

Power distribution unit

EPB – Emergency Push Button

Installed in coach toilets, this safety feature allows passengers to alert crew instantly.

EPB Emergency push button

Functionality:

  • Sends alert to LCD displays
  • Identifies the exact location
  • Alert remains active until reset

Why Choose Masstrans PAPIS?

Feature

  • GPS-based automatic announcements
  • High-brightness LED displays
  • Customizable LCD content
  • Emergency alert system
  • Modular design
  • IP65-rated components
  • Made in India
  • In-house R&D

Benefit

  • No manual intervention required
  • Visible in all lighting conditions
  • Flexible for routes and branding
  • Enhanced passenger safety
  • Easy maintenance and scalability
  • Suitable for harsh environments
  • Faster delivery and cost efficiency
  • Quick customization and support

Built for the Future of Rail

PAPIS is more than just a communication system, it’s a step toward smarter, safer, and more passenger-friendly rail travel. As Indian Railways continues to modernize, Masstrans is ready to deliver intelligent onboard solutions.

Certifications

  • EN 61340-5-1 (RDSO SDT)
  • IEC 61000-4 (RDSO SDT)
  • ISO 9001 (Quality Standard)

Route Map Display for Metro System

Keeping Every Commuter Informed
The LCD Bar Display is a compact, high-visibility screen mounted above seating areas in metro coaches. It continuously shows real-time journey information.

What Does It Display?

  • Current station
  • Next station
  • Full route map
  • Direction of travel
  • Service alerts
  • Time and journey updates

Why It Matters

This system eliminates confusion, helping passengers travel confidently without missing stops or taking wrong directions

21.5-Inch Passenger Information & Advertisement Display

This Full HD display serves dual purposes:

  1. Passenger information
  2. Advertisement & media display

Key Features

  • Video, image, and scrolling text support
  • Remote content management
  • Centralised control system
  • Ideal for ads, announcements, and awareness campaigns

Seamless Integration

Both the Route Map Display and Advertisement Screen integrate directly with the onboard PIS system no additional infrastructure required.

One Platform. Two Powerful Solutions

Together, these displays provide:

  • Real-time passenger information
  • Engaging visual communication
  • Additional revenue opportunities