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WeOS
EN 50155 Managed Gbps PoE Switch
Viper-120A-T4G-P8-LV
• Compact 20 port switch, approved for rolling stock
• 4 Gbps + 16x100 Mbps, whereof 8 PoE ports
• IEEE 802.3af/at (PoE/PoE+)
• Designed and built for extreme operational environments
• Robustness-enhancing design features
• Extensive range of approvals, by IEC/ISO 17025 certified laboratories
• Quality-focused engineering and production located in Sweden
• Powered by WeOS, Westermo's proven network operating system
• Strong set of protocols and functions, including DHCP (server and client)
• High level cyber security
• Easy to use
EN 45545-2
Fire Protection
EN 50121-3-2
Rolling Stock
EN 50155
On Board Rail
NFPA 130
Fire Protection
The Viper-120A-T4G-P8-LV is a managed 20 port switch optimised for the needs of the railway rolling stock market. PoE ports offer effective powering of end-devices. Gbps ports cope with high bandwidth devices such as access points and NVRs
(Network Video Recorders).
The Viper is designed to withstand the tough environment on-board trains, exposing the switch to constant vibration, extreme temperatures, humidity and a demanding electrical environment.
A GORE-TEX® membrane prevents internal condensation. Threading integrated in chassis provides for additional vibration resistance. High-level isolation between all interfaces enables direct connectivity to vehicle auxiliary power and protects against overvoltage and flashover. IP67 protection prevents ingress of water and dust. An overall optimised design results in an extremely compact package in combination with very high MTBF for easy integration and low lifecycle cost.
Thorough type testing at independent ISO/IEC 17025 and ILAC MRA certified labs, accredited to a wide range of standards, show that the Viper series fulfills EN 50155 and other requirements. The state-of-the-art Westermo production facility ensures the quality of each individual unit, e.g. through temperature cycling burn-in testing.
The WeOS operating system offers an extensive suite of IP networking features for resilient and flexible networks, e.g. the
FRNT ring protocol with very fast failover on 100 Mbps ports as well as Gbps ports. The backup device accessory matches the
Viper in robustness and offers easy configuration update and backup.
Meeting the requirements of the railcar market, the Viper is very well suited for deployment in any other application with severe operating conditions and tough environments, for instance in the mining industry.
Ordering information
Art. no.
3635-1410
3641-7190/-0190
3146-11xx
1211-4073
Description
Viper-120A-T4G-P8-LV, EN 50155 managed Gbps PoE switch
M12 USB configuration backup device with/without attachment strap
Patch and power cables, see www.westermo.com
Console cable
VIPER-120A-T4G-P8-LV_2001_EN_REVD - SUBJECT TO CHANGE WITHOUT NOTICE
Specifications - Viper-120A-T4G-P8-LV
Dimensional drawing
164 ±0,5
178
Grounding point screw M5x10
Technical data
Dimensions (W x H x D)
Weight
Rated voltage
Operating voltage
Rated current
Rated PoE power
Power interruption
Ethernet ports
Backup and restore port
Console port
Operating temperature
Storage and transport temperatures
MTBF
Ingress protection
178 x 160 x 110 mm (7.01 x 6.30 x 4.33 inches)
2.5 kg
24 to 38 VDC
16.8 to 49.4 VDC (14.4 to 53.2 VDC for 100 ms)
5.0 A at 24 V and 3.2 A at 38 V
Max 80 W total; max 30 W on a single port
Class S2 (10 ms hold-up) for switch and connected PoE devices
4 Gbps, whereof 2 PoE ports + 16x100 Mbps, whereof 6 PoE ports
1 x USB
1 x RS-232
-40 to +70°C (-40 to +158°F) (+85°C for a limited time)
-55 to +85°C (-67 to +185°F)
363,000 hours (MIL-HDBK-217F2)
IP67
Type
Climate
EMC
Mechanical
(Shock and vibration)
Insulation
(Coordination and test)
Fire protection
Approval/Compliance
• EN 50155/IEC 60571 class TX, Railway applications - Electronic equipment used on rolling stock
• IEEE 1478 class 1, condition E4 (incl Salt Mist), Environmental conditions for transit rail car electronic equipment
• EN/IEC 61000-6-2, Immunity industrial environments
• EN/IEC 61000-6-4, Emission industrial environments
• EN 50121-3-2/IEC 62236-3-2 Railway applications – Rolling stock – apparatus
• Tested and verified for Class S1, DB EMC Regulation 06, Commodity team Radio compatibility in VDB
Rev 1.0 (Shunting Radio)
• Tested and verified for FCC part 15
• E-Mark, Road Vehicles, E1 10R-058547
• EN 61373 category 1, class A and B
• EN 60068-2-27 20 g, 11 ms and 100 g, 6 ms
• EN 50124-1, Railway applications – Insulation coordination
• EN 50155/IEC 60571, Railway applications - Electronic equipment used on rolling stock
• EN 45545-2, Fire protection on railway vehicles
• NFPA 130, Fire protection for fixed guideway transit and passenger rail system
VIPER-120A-T4G-P8-LV_2001_EN_REVD - SUBJECT TO CHANGE WITHOUT NOTICE
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