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Westermo Viper-408 Managed Ethernet Switch

Westermo Viper-408 Managed Ethernet Switch
Westermo Viper-408 Managed Ethernet Switch
Westermo Viper-408 Managed Ethernet Switch
Westermo Viper-408 Managed Ethernet Switch
Westermo Viper-408 Managed Ethernet Switch

  • Layer 2 functionality switching
  • 8 x 10/100 Mbps Ethernet Ports (M12 D-coded connector)
  • 1 x RS-232 Console Port (M12 B-coded connector)
  • IP65-rated nickel-coated zinc body design
  • 24 to 110 VDC input power (Wide Range 16.8 to 143 VDC)
  • Wall mount installation design
  • -40 to +70°C operating temperature range

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Datasheet User Manual
  • Operating Temperature (-40 to 70°C)
  • Relative Humidity (5% to 95% RH)
  • IP protection (IP65)
  • Shock (IEC 61373)
  • Shock (IEC 60068-2-27)
  • Vibration (IEC 60068-2-64)
  • Vibration (EN 61373)
  • Railway Transportation
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Tags: Industrial Ethernet Switches , Industrial Data Communications , Managed Layer 2 Switches , Layer 2 Switches , EN 50155 Switches , Railway Transportation Products , Managed Ethernet Switches , Ethernet Switches , Managed Switches , Switches , Westermo Viper-408

The Viper-408 is a managed 8-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 and environmentally hostile spaces. The embedded software 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 EN 50155.

Westermo understands that systems on railcars are required by the EN 50155 standard to have a long useful life, 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. The EN 50155 standard requires mandatory performance and isolation testing. Not only does Westermo meet these requirements, 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.


End of Life Product - Replacement Available

Please note that the Viper-408 has been phased out and replaced by the Viper-112A.


Discover industrial automation solutions appropriate to your needs, and easily inquire about the Westermo Viper-408 managed Ethernet Switch through our user-friendly website via one of our Middle East branches (UAE (Dubai), KSA (Al Khobar, Riyadh), and Oman). 

switch and hub : Interface
Number of ports 8 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 : 8 x 10/100 Mbps Ethernet Ports (M12 D-coded connector), 1 x RS-232 Console Port (M12 B-coded connector)
switch and hub : Features and capabilities
Backup No
switch and hub : LED Indicators
LED Per Port Yes
switch and hub : Power Requirements
Input Current 140 mA @ 24 VDC, 40 mA @ 110 VDC
Power Input Plugin ( Redundant ) No
Input Voltage 24 to 110 VDC
Operating Voltage 16.8 to 143 VDC (14.4 to 154 for 100 ms)
Power Consumption -
switch and hub : General
Fan / Fanless Fanless
MTBF MIL-HDBK- 217F, GB: 118 years @ 25ºC, 116 years @ 40ºC
switch and hub : Switch specifications
Most forwarding speed -
Network working layers Layer 2
Switch type Managed
Port Aggregation No
switch and hub : Physical Characteristics
Dimensions 174 x 100 x 53.4 mm
Housing nickel-coated zinc
Installation Wall mounting
Operating Temperature -40 to +70 °C (-40 to +158 °F)
Operation Humidity 5 to 95% relative humidity
Standards and Certifications IPC-A-610D class2; Ingress protection: IP65; MIL-HDBK- 217F, GB; 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 50121-3-2 Railway applications - EMC: Rolling stock - apparatus, EN 50121-4, Railway signaling and telecommunications apparatus, IEC 62236-4, Railway signaling and telecommunications apparatus; Environmental: EN 50155 Railway applications - Electronic equipment used on rolling stock, IEEE 1478 - Environmental conditions for transit rail car electronic equipment, EN 50124-1 - Railway applications - Insulation coordination; Fire protection: EN 45545-2, Fire protection on railway vehicles; Safety: EN/IEC/UL 62368-1, Safety Requirements for audio/video, information and communication technology equipment; Shock: EN 61373, IEC 60068-2-27; Vibration: EN 61373, IEC 60068-2-64
Storage Temperature -40 to +85 °C (-40 to +185 °F)
Weight 0.9 kg
switch and hub : Standards and protocols
Protocols and work standards IEEE802.1Q tagged VLAN
Protocols and management standards -
switch and hub : Package Checklist
Hardware installation guide Yes
Power adapter No
Power cable No

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