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Bus-technology networks

Bus-technology networks
Many train modernisation projects are driven by an update of communication technology. Nevertheless, many train operators are still reluctant to change the way operational data is managed to anything else but conventional data buses.
 
These buses are quite limited in bandwidth and require specific equipment manufactured by a select number of suppliers. But they have proven over the years to be reliable and have gained significant trust from the industry.
 
The development of the IEC 61375 standard for train communication networks takes this into account.

Challenge
Standard IEC 61375
  • Defines the outline conditions for ensuring train network interoperability regardless of the train manufacturer, rail operator, country of origin etc.
  • The standard allows the use of different technologies
Solution
Enable the construction of:
  • Train backbone networks using WTB (Wire Train Bus) connectivity components
  • Networks using MVB (Multifunction Vehicle Bus) connectivity components
Application areas
Data networks running in parallel on a train, e.g.
  • A bus-technology network for operational data
  • A switched-technology network for multimedia data
Operational data
Unlike multimedia data, operational data is generally considered to be more safety critical as it relates to the data generated by sensors monitoring operational key functions of the train:
  • Brakes
  • Doors
  • Traction control
  • Air conditioning systems
  • Lights

Inter-vehicle jumper systems - important backbone component

Challenge
  • Demanding environmental conditions
  • In trains at very high speed
  • Permanent movement, exposure to vibrations and shock
  • Particularly high or low temperatures, moisture, detergents, dirt, UV radiation

Solution
  • 100% tested and optimised system cables specially developed for the railway market
  • Dedicated cables or a combination of optical cables, data bus, signal and power cables in one system cable
  • Maintenance-free use

Related Products

Databus cables
Inter vehicle jumper system
FO cables
FO connectors

Contact
HUBER+SUHNER Inc.
Customer Service
Customer Service
  +1 866 482 3778
  +1 704 587 1238