Dual Ethernet repeater for two ETB links
Robust M12 Connectors
Bypass function
Low latency
Redundant power supply (optional)
Power supply voltage from 16.8V to 137.5V DC
Operating temperature from – 40°C to +70°C
Description
The ETX-401 is a 4-port Ethernet repeater which is intended to extend two Ethernet Train Backbone (ETB) links for another 100 meters. This facilitates the use of only one Ethernet Train Backbone Node (ETBN) for a group of vehicles wher the total length of the ETB segment would exceed 100 meters.
An optional power supply redundancy allows uninterrupted operation in the event of the failure of one power supply. Moreover, such a failure is signalled by closing a relay contact; which can be used for remote diagnostics.
If the ETX-401 is powerless, or in case of internal failure, a bypass relay automatically bridges both ETB links preventing the interruption of the ETB links.
Parameters
Main functions
Amplifies and retransmits signals
Doubles the length of ETB segment
LED status indicators
Connectivity
4x ETB port with bypass relay function
1x Relay contact
Environment
Power supply voltage 16.8V to 137.5V DC
Power input max. 8W
Operating temperature -40°C to +70°C
Ingress protection IP30
Dimensions 191 x 105 x 62 mm (width x height x depth)
Weight 600 g
Standards
EN 50121-3-2 Electromagnetic compatibility
EN 50124-1 Insulation coordination
EN 50155 Electronic equipment on rail vehicles
EN 61373 Shock and vibration tests
IEEE 802.3 Ethernet based local area networks
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