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Westermo Viper-012 Unmanaged Ethernet Switch

Westermo Viper-012 Unmanaged Ethernet Switch
Westermo Viper-012 Unmanaged Ethernet Switch
Westermo Viper-012 Unmanaged Ethernet Switch
Westermo Viper-012 Unmanaged Ethernet Switch
Westermo Viper-012 Unmanaged Ethernet Switch

  • 12 x 10/100 Mbit/s Ethernet ports (M12)
  • 2 x Service ports (must not be used)
  • IP67-rated compact and robust Zinc housing 
  • Redundant 24 to 110 VDC power inputs
  • Wall mount installation design
  • -40 to +70°C operating temperature range

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Datasheet User Manual
  • Operating Temperature (-40 to 70°C)
  • IP protection (IP67)
  • Relative Humidity (5% to 95% RH)
  • Shock (IEC 60068-2-27)
  • Vibration (IEC 60068-2-6, IEC 60068-2-64)
  • Railway Transportation
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Tags: Industrial Ethernet Switches , Unmanaged Switches , EN 50155 Switches , Industrial Data Communications , Railway Transportation Products , Ethernet Switches , Switches , Westermo Viper-012

The Viper-012 is a basic unmanaged 12-port switch designed to meet the full requirements of the rail vehicle market. The incredibly compact and robust housing ensures the unit can be built into tight, environmentally hostile spaces.

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 EN 50155.

Westermo understands that systems on railcars are required by the EN 50155 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 IP67 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 IP67 seal is maintained for the product's life.

The EN 50155 standard requires mandatory performance and isolation testing. Not only does Westermo meet these, but we also exceed them 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.


You can also find the Viper-002-T1-PL1, Viper-002-T1G-PL1, and Viper-008 models in the Unmanaged Ethernet Switches. 


Easy World Automation offers the easiest way to buy the Viper-012 in the Middle East (UAE (Dubai), KSA (Al Khobar, Riyadh), and Oman) at the lowest price through online inquiring. Our sales experts will contact you to fulfill all your industrial automation needs.

switch and hub : Interface
Number of ports 12 Ports
10/100Mb RJ45 (Megabit) Ports No
10/100/1000Mb RJ45 (Gigabit) Ports No
100Mb Fiber optic multi mode (Megabit) Ports No
100Mb Fiber optic single mode (Megabit) Ports No
100Mb SFP Fiber optic (Megabit) Ports No
1000Mb SFP Fiber optic (Gigabit) Ports No
10/100Mb (Megabit) POE Ports No
10/100/1000Mb (Gigabit) POE Ports No
Other ports Yes : 12 x 10/100 Mbit/s X1 – X12 Ethernet ports (M12 connector), 2 x Service ports (must not be used)
switch and hub : Features and capabilities
Backup No
switch and hub : LED Indicators
LED Per Port Yes
switch and hub : Power Requirements
Input Current 350 mA @ 24 V and 90 mA @ 110 V
Power Input Plugin ( Redundant ) Yes
Input Voltage 24 to 110
Operating Voltage 16.8 to 143 VDC (14.4 to 154 VDC for 100 ms)
Power Consumption -
switch and hub : General
Fan / Fanless Fanless
MTBF 636,000 hours
switch and hub : Switch specifications
Most forwarding speed -
Network working layers Layer 1
Switch type UnManaged
Port Aggregation No
switch and hub : Physical Characteristics
Dimensions 174 x 100 x 65.4mm
Housing Zinc
Installation Wall mounting
Operating Temperature -40 to +70°C (-40 to +158°F)
Operation Humidity 5 to 95% relative humidity
Standards and Certifications IP67; EMC: EN 61000-6-1, Immunity residential environments, EN 61000-6-2, Immunity industrial environments, EN 61000-6-3, Emission residential environments, EN 61000-6-4, Emission industrial environments, EN 50121-4/IEC 62236-4, Railway signaling and telecommunications apparatus, EN 50121-3-2 Railway applications – Rolling stock – apparatus; Environmental: 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 CEN/TS 45545-2 – Fire protection
Storage Temperature -50 to +85°C (-58 to +185°F)
Weight 1.4Kg
switch and hub : Standards and protocols
Protocols and work standards IPC-A-610D class2, Shock and vibration
Protocols and management standards No
switch and hub : Package Checklist
Hardware installation guide Yes
Power adapter No
Power cable No

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