Integrated ETBN

On-board network switch and router
Integrated ETBN image

The Integrated ETBN device is a perfect combination of an IEC standard Train Backbone Node implementation with a multi-port Ethernet Consist Switch.

Due to this mix of backbone and consist ports, it provides an integrated and cost sensitive solution. Equipped with double switched backbone lines protected by bypass relays for train backbone use and an additional bypass relay between two Gigabit Ethernet or Fast Ethernet ports at consist level, it allows more reliable consist topologies implementation.

IEC Train inauguration procedure is fully supported as well as ETBN control interface for TRDP devices. Other interfaces (SNMP, REST) are also available in order to provide a wider range of potential implementations.

On the consist side, the TTCMP© protocol provides automatic device configuration and continuous monitoring giving the customer a way to reduce commissioning and maintenance costs.

Designed to operate in harsh environmental conditions typical of rolling stock applications, the Integrated ETBN can be powered from 24 Vdc to 110 Vdc nominal voltage.

Fully EN 50155 compliant, the Integrated ETBN provides the highest level of reliability and robustness required by the railway industry.

Resources

Technical specifications

Approvals/Compliance

> Ethernet Train Backbone IEC 61375-2-5
> Governing Standard EN 50155 Railway Applications (Electronic equipment used on rolling stock)

Approvals/Compliance (EMC)

> Electrical fast transient/burst immunity test IEC 61000-4-4 (2004-07)
> Electromagnetic compatibility rolling stock apparatus EN 50121-3-2
> Electrostatic discharge immunity test IEC 61000-4-2 (2008-12)
> Immunity to conducted disturbances, induced by radio-frequency fields IEC 61000-4-6 (2008-10)
> Radiated, radio-frequency, electromagnetic field immunity test IEC 61000-4-3 (2006-02)
> Surge immunity test IEC 61000-4-5 (2005-11)

Approvals/Compliance (Environment)

> Environmental testing - Part 2-1: Tests - Test A: Cold IEC 60068-2-1
> Environmental testing - Part 2-2: Tests - Test B: Dry heat IEC 60068-2-2
> Shock & Vibration EN 61373

Backbone side features

> 4 FE or GbE ports protected by hardware bypasses
> Dynamic inter-consist routing following train inauguration
> R-NAT (railway 1:1 NAT)
> Router Redundancy Protocol
> Standard IEC 61375 TTDP topology discovery protocol
> Static unicast/multicast routing
> Train-wide standard multicast routing

Consist side features

> 1 hardware bypass on FE/GbE ports pair for maximum reliability
> 10 Fast Ethernet ports or 2 Gigabit Ethernet ports + 8 Fast Ethernet ports
> 802.1X port authentication
> DHCP option 82 handling
> IEEE 802.3af PoE delivered on 8 ports
> IGMP versions 1, 2 and 3
> Integrated per-port DHCP server
> Link aggregation protocol (LACP 802.3ad)
> Link Layer Discovery Protocol (LLDP 802.1ab)
> SNMP v1/v2c/v3 device management
> Spanning Tree (STP 802.1D) and Rapid Spanning Tree (RSTP 802.1w)

Environment

> Operating temperature -25 ÷ +55 °C (+70 °C for 10 min. according to EN50155 class T1)
-25 ÷ +70 °C (+85 °C for 10 min. according to EN50155 class T3) [optional]
-40 ÷ +70 °C (+85 °C for 10 min. according to EN50155 class TX) [optional]
> Relative humidity (non condensing) up to 95%
> Storage temperature -40 ÷ +85 °C

Features

> Device bypass for maximum reliability
> Extended RMON counters
> Fallback firmware images for maximum reliability
> In-band (SSH) and out-of-band (console) CLI interface for device management
> In-band and out-of-band firmware upgrade
> IPv4 protocol supported
> RADIUS authentication
> Simple Network Management Protocol (SNMP) v1/v2c/v3
> Train Topology and Configuration Management Protocol (TTCMP©) for automatic device management

Internetworking standards

> IEEE 802.1AB Link Layer Discovery Protocol (LLDP)
> IEEE 802.1D Spanning Tree Protocol
> IEEE 802.1Q Tagged VLANs
> IEEE 802.1w Rapid Spanning Tree
> IEEE 802.1w Rapid Spanning Tree
> IEEE 802.1X Port-based network access control
> IEEE 802.3ab Gigabit Ethernet
> IEEE 802.3ab Gigabit Ethernet
> IEEE 802.3ad Link Aggregation Protocol (LACP)
> IEEE 802.3u Fast Ethernet

Layer 2 features

> 4 output hardware queues for each port
> Auto MDI/MDIX
> DSCP/802.1p Class of Service
> Ingress/egress rate limiting
> Strict priority or weighted (WRR) scheduler
> Up to 4096 802.1Q VLANs
> Up to 8192 MAC addresses
> Wire-speed switching

Physical data

> Degree of protection IP 40
IP54, IP65 [optional]
> Gigabit Ethernet connectors M12, female, 8-ways, X-coding
> Maintenance ports connectors M12, female, 8-ways, A coding
> Overall dimensions 207 x 184 x 73 mm
> System status indicators 8 LEDs
> Weight 2,6 Kg

Power supply

> PoE class 0, 1, 2, 3 and 4 (max 15 W per port), according to IEEE 802.3at Type-1
> PoE total power 60 W
> Power consumption 15 W max (24/37,5/48 Vdc version)
22 W max (72/96/110 Vdc version)
> Power supply class S2, according to EN-50155
> Power supply connector M12, male, 5-ways, A-coding
> Voltage range 14,4 ÷ 40 Vdc (24 Vdc nominal, insulated), according to EN-50155
23 ÷ 42,5 Vdc (37,5 Vdc nominal, insulated), according to EN 50155
28 ÷ 72 Vdc (48 Vdc nominal, insulated), according to EN 50155
66 ÷ 165 Vdc (96/110 Vdc nominal, insulated), according to EN-50155
Copyright 2016 © VDS Rail – All rights reserved.
Certified email: vdsrail@legalmail.it
VAT: IT01678370485 - Share capital: 99.000€ fully paid
Registered office VDS Rail Srl Via Arno, 23-25, 50019 Sesto Fiorentino (FI) Italy.