PoE Ethernet Train Switch

On-board Ethernet Switch
PoE Ethernet Train Switch image

A Train Switch with PoE circuitry enables the setting up of an on-board network, drastically reducing cabling cost and installation. Usually, an external 48 Vdc Power supply is necessary, in order to provide power to the PoE devices. This PoE Train Switch, instead, holds an internal integrated power supply responsible for providing 48 Vdc to the external PoE devices. The Power supply can deliver up to 60 Watts through 8 Fast Ethernet PoE ports. The Train Switch is capable of providing up to 13 Ethernet ports and it is a Layer 2 managed switch, specifically designed for network applications in rolling-stock environments. The Train Switch provides advanced traffic switching capabilities, including support for VLANs, (Rapid) Spanning Tree Protocol (STP/RSTP) and the possibility to apply Quality of Service (QoS) policies. Available in different models, the Train Switch is designed to operate in harsh environmental conditions typical of rolling stock applications, and is fully EN 50155 compliant, providing the highest level of reliability and robustness required by the railway industry.

Resources

Technical specifications

Approvals/Compliance

> 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)
> 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

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

> 4 output hardware queues for each port
> 802.1X port authentication
> Device bypass for maximum reliability
> DHCP option 82 handling
> Extended RMON counters
> Fallback firmware images for maximum reliability
> IEEE 802.3 layer 2 managed switch
> IEEE 802.3af PoE delivered on 8 ports
> IGMP versions 1, 2 and 3 snooping
> In-band (SSH) and out-of-band (console) CLI interface for device management
> In-band and out-of-band firmware upgrade
> Ingress rate limiting
> IPv4 protocol supported
> RADIUS authentication
> Simple Network Management Protocol (SNMP) v1/v2c/v3
> Train Topology and Configuration Management Protocol (TTCMP©) for automatic device management
> Up to 13 Fast Ethernet ports or 5 Gigabit Ethernet ports + 8 Fast Ethernet ports

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 802.1X Port-based network access control
> IEEE 802.3ad Link Aggregation Protocol (LACP)
> IEEE 802.3af Power over Ethernet (PoE)
> IEEE 802.3u Fast Ethernet

IP services

> Integrated per-port DHCP server

Packet switching

> DSCP/802.1p Class of Service
> Link aggregation protocol (LACP 802.3ad)
> Link Layer Discovery Protocol (LLDP 802.1ab) with LLDP-MED extensions
> Spanning tree (STP 802.1D) and Rapid Spanning Tree (RSTP 802.1w)
> Strict priority or weighted (WRR) scheduler
> Up to 4096 802.1Q VLANs

Physical data

> Degree of protection IP 40
IP54, IP65 [optional]
> Fast Ethernet connectors M12, female, 4-ways, D-coding
> Gigabit Ethernet connectors M12, female, 8-ways, X-coding
> Maintenance ports connectors M12, female, 5-ways, A-coding
> Overall dimensions 207 x 184 x 73 mm
> System status indicators 8 LEDs
> Weight 2,5 Kg

Power supply

> Max current 0,91 A max @ 110 Vdc
4,2 A max @ 24 Vdc
> 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 1,5 A @ 24 Vdc
22 W (without PoE)
> 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)
66 ÷ 165 Vdc (96/110 Vdc nominal, insulated)
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