Backbone Routers

A hierarchical structure with two levels of networks is needed to interconnect vehicles in close or open trains. Train Backbone Routers provide an Ethernet based gateway function as well as a proper redundancy between those network levels. In order to assure such "High Availability", Train Backbone Routers are designed with specific features like hardware by-pass and Active/Passive technology. Standard protocol is used for proper train inauguration procedures.

Integrated ETBN (FAST)
On-board network switch and router
[Integrated ETBN (FAST) photo]

Train backbone node which provides both traffic routing and switching capabilities for a cost-effective integration with the consist network. Fully supports standard IEC train inauguration procedure, with ETBN control interface for TRDP devices.

 
Gigabit Ethernet Train Backbone Node
On-board network router
[Gigabit Ethernet Train Backbone Node photo]

For uncompromising bandwidth availability, double Gigabit lines allow backbone connections up to 2 Gbps in aggregate mode. Eligible as high performance backbone node for multimedia data interoperability.

 
Fast Ethernet Train Backbone Node
On-board network router
[Fast Ethernet Train Backbone Node photo]

Base version of Train Backbone Node with active/passive technology to assure high availability. Two hardware by-passes allow electrical continuity in case of fault.

 
Train Ethernet Repeater
Backbone signal regenerator
[Train Ethernet Repeater photo]

The Train Ethernet Repeater is a device able to regenerate the Ethernet frame data and the electrical parameters to overcome the 100 m standard imposed maximum Ethernet segment limit and can be installed between two ETBN when installation parameters require it.

 
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