Industrial POE Switch - Industrial Networking Solution

Industrial POE Switch – Viper-112-T3G-P8

Industrial POE Switch viper-112-t3g-p8



The Viper-212-T3G-P8 is a managed 12 port Industrial POE switch including 3 GigE copper connections designed to meet the full requirements of the rail vehicle market. The Viper is capable of delivering up to 61.6 W of power across 8 of the ports, derived from the wide operating DC voltage of the unit. The Westermo WeOS operating system provides an extensive suite of IP networking standards allowing resilient and flexible networks to be created, meeting the needs of the rail market.

As is critical for all equipment to be installed in rail vehicles, the Viper has been externally tested across the complete spectrum of standards required by EN50155. A unique feature of the Viper is the galvanic isolation provided between the input DC voltage and the power delivered through PoE to the connected equipment.

Westermo understand that systems on railcars are required by the EN50155 standard to have a useful life of 20 years, so as well as using the highest quality components to deliver extended MTBF figures, we also implement features like the Gore-Tex® membrane in the IP65 enclosure to prevent water build up in the units. Due to the high vibration environment of the rail industry, we have also developed the Viper case with integral threading for the M12 connectors to ensure the IP65 seal is maintained for the life of the product.

The EN50155 standard requires mandatory performance and isolation testing. Not only does Westermo meet these, we exceed them in order to meet the additional manufacturer requirements for train control. Westermo’s Swedish factory has been building Ethernet switches for the railcar market for many years and fully understands the measures that are required to provide the highest quality manufactured solutions.

Meeting the requirements of the railcar environment, makes the Viper very well suited for deployment in any application with severe operating conditions and extreme environments.

WeOS 100-software

• Protocols and functionality
Resiliency and high availability Fast Reconfiguration of Network Topology (FRNT)
FRNT Link Health Protocol (FLHP)
IEEE 802.1D Spanning Tree Protocol (STP)
IEEE 802.1w Rapid STP (RSTP)
Layer 2 switching IEEE 802.1Q Static VLAN and VLAN Tagging
IEEE 802.3x Flow Control
IGMPv2/v3 snooping
AVT Dynamic VLAN (Adaptive VLAN Trunking)
Management VLAN (Management Interface concept)
Static Multicast MAC filters
Layer 2 QoS IEEE 802.1p Class of Service
Classification: VLAN tag, VLAN ID, IP DSCP/ToS, Port ID
Manageability Management tools
• Web interface (HTTP and HTTPS)
• CLI via console port and SSHv2 and Telnet
• Westermo IPConfig tool
• SNMPv1/v2c/v3
• Flexible management of configuration and log files
• Secure Copy (SCP)
• Local file management via HTTP, FTP, TFTP and SCP
• Load/save files from/to USB memory stick
Flexible alarm/event handling system
Syslog (log files and remote syslog server)
Digital I/O
Port Monitoring
SNTP (NTP client)
PPPoE client
DHCP client
DHCP relay agent (DHCP option 82)
SNMP MIB support RFC1213 MIB-2
RFC2863 Interface MIB (ifXTable)
RFC2819 RMON MIB (etherStatsTable)
RFC4188 Bridge MIB
RFC4363 Q-BRIDGE MIB (dot1qVlan and dot1qVlanStaticTable)
RFC4836 MAU MIB (dot3IfMauBasicGroup and dot3IfMauAutoNegGroup)
RFC4133 Entity MIB (entityPhysical)
RFC3433 Entity Sensor MIB
• Power
Rated voltage 48 to 110 VDC
Operating voltage 33.6 to 143 VDC (28.8 to 154 VDC for 100 ms)
Rated current Max 1.8 A @ 48 V, Max 0.8 A @ 110 V @ full PoE load
Rated output power Max 61.6 W ±7% distributed on all PoE ports
Max 30.8 W on one single PoE port
• Interfaces
X1-X12, Ethernet ports 9 x 10/100 Mbit/s (8 with PoE capability), 3 x 10/100/1000 Mbit/s
USB 1xUSB 2.0,480 Mbit/s
CON 1 x RS-232, 115.2 kbit/s
• Temperature
Operating –40 to +70°C (–40 to +158°F)
Storage and Temperature –50 to +85°C (–58 to +185°F)
• Agency approvals and standard compliance
EMC EN 61000-6-1, Immunity residential environments
EN 61000-6-2, Immunity industrial environments
EN 61000-6-4, Emission industrial environments
EN 55024, Immunity IT Equipment
FCC Part 15 Class A
EN 50121-4/IEC 62236-4, Railway signaling and telecommunications apparatus
EN 50121-3-2 Railway applications – Rolling stock – apparatus
EN 55022, Emission IT Equipment
Safety IEC/EN 60950-1 IT, equipment
Environmentals EN 50155 Railway applications – Electronic equipment used on rolling stock
EN 61373 – Railway applications – Rolling stock equipment. Shock and vibration tests
IEEE 1478 – Environmental conditions for transit rail car electronic equipment
EN 50124-1 – Railway applications – Insulation coordination
IEC 60068-2-27, (shock 100 g. 6 ms), IEC 60068-2-64

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