Mobile Unit Communication Frequency

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Questions and Answers

What is the purpose of the Site Acceptance Test Scheme for Stationary KAVACH (IRATP) Application Logic for Version 4.0?

To verify the Stationary KAVACH application logic for version 4.0

What is the recommended time-out for deregistration in Stationary KAVACH?

5-10 seconds

What is the basis for carrying out tests in Stationary KAVACH?

Approved ToC routes

What feature should the virtual simulator have in Stationary KAVACH testing?

Provision to select routes or entry-exit signal Signup and view all the answers

What happens when the loco speed is raised in Stationary KAVACH testing?

The first two tags in the route before entry signal are read automatically and the train stops in front of the entry signal Signup and view all the answers

What is the purpose of verification of redundant communication in Stationary KAVACH testing?

To ensure redundant communication Signup and view all the answers

What is Safety Infringement Detection related to in Stationary KAVACH?

Signal and Distance Monitoring Signup and view all the answers

What is the purpose of KAVACH ID Management in Stationary KAVACH?

To manage KAVACH IDs Signup and view all the answers

What is the purpose of soft handover tests in Stationary KAVACH?

To ensure seamless entry and exit of Onboard KAVACH from/to adjacent Stationary KAVACH with no communication failures. Signup and view all the answers

What is the maximum distance beyond which the train length is measured in Stationary KAVACH?

1.5 km Signup and view all the answers

What should not happen in case of communication failure with adjacent Stationary KAVACH during soft handover tests?

Brakes should not be applied. Signup and view all the answers

What is the significance of the Border Tag in Stationary KAVACH ID management?

It is used to identify the border of the Stationary KAVACH as per OEM design. Signup and view all the answers

What should ideally not happen to the Approaching Signal during soft handover tests?

It should not become blank. Signup and view all the answers

What should be ensured during the handing over from one Stationary KAVACH to another?

The handing over should not be perceived by the loco pilot. Signup and view all the answers

What is the primary purpose of the Reception side test in Stationary KAVACH testing?

To verify Rx communication and frequency reception within the mandatory area. Signup and view all the answers

What is the significance of RFID placement and linking distances in Track Profile Test Reports?

To ensure accurate tag detection and tracking along the route. Signup and view all the answers

What is the primary objective of the KAVACH TSR speed control test?

To verify TSR imposed speed control and safety infringement detection. Signup and view all the answers

What is monitored in the PSR speed control test report?

Start distance and safety infringement detection. Signup and view all the answers

What is the purpose of checking for any invalid tags in the Track Profile Test Reports?

To ensure accurate data collection and prevent false alarms. Signup and view all the answers

What is the significance of the Stationary KAVACH ID in the Reception side test?

It identifies the mobile unit and its corresponding Rx communication frequency. Signup and view all the answers

What is the primary concern in the KAVACH speed control test reports?

Safety infringement detection and capacity loss prevention. Signup and view all the answers

What is the role of the Route ID in the KAVACH TSR speed control test report?

It specifies the route for which TSR speed control is imposed. Signup and view all the answers

Study Notes

Mobile Unit and Stationary KAVACH ID

Reception side operational frequency is mandatory for mobile units
Stationary KAVACH ID is associated with Rx communication, frequency, and reception distance limits

Track Profile Test Reports - Phase 1

RFID placement and linking distances are tested for stationary KAVACH IDs
Tests include checking for entry and exit signals, REF RFID tags, and any missing or invalid tags

KAVACH TSR Speed Control Test Reports

Tests are conducted to verify TSR speed control for stationary KAVACH IDs
The location of TSR imposed speed control is checked, along with any safety infringement or capacity loss observed

KAVACH PSR Speed Control Test Reports

PSR speed control is tested for stationary KAVACH IDs
The start distance of PSR speed control is checked, along with any safety infringement or capacity loss observed

Verification of Redundant Communication

The verification process includes checks for GPS, GSM, radio modem, RIU, adjacent SVK, and TSRMS
Tests are conducted to verify communication prompts and failure scenarios

Verification of Signal Correspondence

Deregistration time-out is set to 5-10 seconds in stationary KAVACH
Tests are conducted based on approved routes and using virtual simulators
Loco speed is increased to test signal correspondence and safety infringement

Soft Handover Tests

Tests are conducted to ensure seamless handover between onboard KAVACH and adjacent stationary KAVACH
Communication failures are checked, and brakes should not be applied in case of failure
The approaching signal should not become blank, and handover should not be perceived by the loco pilot

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Description

This quiz covers the operational frequency of mobile units, including reception side and track profile test reports.