Signalling, control and
safety technology

Development of signal box functions (ESTW/DSTW)

Preliminary, design and detailed planning for ESTW/
DSTW systems

Survey and documentation of the existing
infrastructure and systems

Integration of ETCS ready requirements into
signal box design

PT1 and PT2 planning for phase-based project
implementation

Integration of STE systems: signalling,
telecommunications and electrical systems

Communications infrastructure (KISA) for safetycritical applications

Implementation of relevant DB specifications, e.g. BTSF3
and Part-LH 1, 5 and 7

Dual equipment of RBC systems to ensure redundancy and
reliability

Modelling and development of feature-based architectures
for RBC systems and ETCS applications

Planning and management of ETCS-specific data points
(data point tables, overview plans, Muka signals, ...)

Definition of entry and exit points as well as transitions in
RBCs (efficient operational planning)

Integration of GSM-R communication systems for
end-to-end data transmission in the on-board radio system

Supplier specifications and preparation for
supplier and product selection

Mechanical, electrical and control-related
integration of FIS solutions

System development, including assessment of
installation space, interfaces, safety and schematic
diagrams

Adaptation and integration of FIS software into
vehicle, station and line infrastructure

Functional testing, validation and verification of
communication, passenger data and cyber security
requirements

Development and implementation of test strategies
and test plans for ETCS, PZB and LZB systems

Integration tests for subsystems and systems to ensure
functionality and compatibility

Validation of signalling and track infrastructure
systems in accordance with safety requirements

Automated test scenarios and simulations to
improve efficiency and stability

Hardware-in-the-Loop (HIL) tests for signal boxes and
RBC components

Verification and validation of technical solutions