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RS2 - Unmanaged 8-Port Ethernet Switch with PoE

IP67 Industrial Stand-Alone Device

This product has been discontinued.

The RS2 is an unmanaged industrial, IP67 stand-alone Fast Ethernet switch that provides eight Ethernet channels and a Gigabit uplink port on M12 connectors.

Download data sheet

  • RS2 Product ImageRS2 Railway Ethernet Switch
  • RS2 Product ImageRS2 configuration example without Ethernet uplink
  • RS2 Product ImageRS2 configuration example back side
  • RS2 Product ImageRS2 mounting plate sample
  • RS2 Product ImageRS2 mounting plate sample
  • RS2 Product Image
  • RS2 Product Image
  • RS2 Product Image
  • RS2 Product Image
  • RS2 Product Image

Main Features

  • Unmanaged 8-port rugged Ethernet switch<br />Rugged aluminum enclosure (220 x 130 x 70 mm)<br />Fanless and maintenance-free<br />8 Fast Ethernet ports via M12 connectors<br />Power over Ethernet (PoE) PSE (ports 1 and 2)<br />2x 24 VDC or 110 VDC nom. redundant power supply, service interface via M12 connectors<br />Status LEDs for ports, PoE and switch state <br />-40 to +70(+85)°C operating temperature<br />EN 50155 class Tx (railways) and IP67 compliant<br />ISO 7637-2 compliant (E-mark for automotive)
RS2 Product Image

Technical Data

Key Features
  • High-speed non-blocking, store-and-forward switching
  • Eight 10/100Base-T ports at front panel (Electrical isolation: 1500 Vrms)
  • One Gigabit uplink port at front panel
  • Port configuration: copper, 10/100 Mbit/s
  • Auto-negotiation / Auto MDI/MDIX crossover on all ports
  • Layer2-based Policy Control List
  • 8K MAC address lookup table with automatic learning and aging
  • Up to 4096 VLANs
Supported Protocols and Standards
  • Ethernet flow control (IEEE 802.3x)
  • Link aggregation LACP / EtherChannel (IEEE 802.3ad, 2005)
  • Priority-based switching, Quality of Service/DiffServ, tagged frames, Layer2-based 801.1Q VLAN-ID packet routing (IEEE 802.1p)
  • Port-based authentication on registered MAC Address Lists
  • Power over Ethernet support (IEEE 802.3af / IEEE 802.3at, Type 1)
  • TCP/IP v4 and v6
  • VLAN/port-based VLANs GVRP/MVRP (IEEE 802.1Q Rev D5.0, 2005)
Power Over Ethernet Features
Power over Ethernet functions on ports 1 and 2
  • PSE (Power Sourcing Equipment) function
  • Supplies one PD class 0 device or two PD class 2 devices (up to 15 W total)
Service Interface
  • M12 connector at front
  • SPI interface for external SPI programmer
Front I/O
  • Eight Ethernet ports via M12 connectors
  • Gigabit uplink port
    • 8-pin M12 connector, A-coded
  • One service interface via M12 connector
  • Two redundant power inputs via M12 connectors
  • Link and activity Ethernet status LEDs (two per channel)
  • Power over Ethernet status LEDs
  • Status LEDs for power and reset
Electrical Specifications
  • Power input
    • Nominal input voltage 24 VDC (9 to 36 V) or 110 VDC (77 to 150 V) according to EN 50155
    • Two redundant inputs
    • Power-on threshold: 0.7xUn = 16.8 V (for 24 VDC PSU) or 77 V (for 110 VDC PSU)
    • Power change-over threshold (when a secondary power source is connected): 12 V (for 24 VDC PSU) or 66 V (for 110 VDC PSU) (lower input voltage results in automatic switch to secondary power source)
    • Minimum input voltage when no secondary power source is connected: 9 V (for 24 VDC PSU) or 66 V (for 110 VDC PSU)
  • EN 50155 power interruption class S2
  • Isolation (according to EN 50155)
    • 1500 Vrms
  • Power consumption at Unom (24 V): 24 W (incl. 15 W PoE)
Mechanical Specifications
  • Dimensions: 220 mm x 130 mm x 70 mm (without connectors)
  • Prepared for wall or DIN-rail mounting with special mounting plates (available separately)
  • Weight: 1.9 kg
Environmental Specifications
  • Temperature range (operation):
    • -40..+70°C (+85°C) with up to 85°C for 10 minutes according to class TX (EN 50155)
    • Airflow: natural convection
  • Temperature range (storage): -40..+85°C
  • Relative humidity (operation): max. 95% non-condensing
  • Relative humidity (storage): max. 95% non-condensing
  • Altitude: -300 m to + 3000 m
  • Shock: 50 m/s², 30 ms (EN 61373)
  • Vibration (function): 1 m/s², 5 Hz - 150 Hz (EN 61373)
  • Vibration (lifetime): 7.9 m/s², 5 Hz - 150 Hz (EN 61373)
  • Climatic tests according to EN68068
  • IP67 compliant
  • Fully EN 50155-compliant (Power Interruption Class 2, Temperature Class TX)
292 031 h @ 40°C according to IEC/TR 62380 (RDF 2000)
Flammability (PCBs)
  • PCBs manufactured with a flammability rating of 94V-0 by UL recognized manufacturers
  • Tested according to the following railway standards:
    • EN50121 (radio disturbance)
    • EN61000-4-2 (ESD)
    • EN61000-4-4 (burst)
    • EN61000-4-5 (surge)
  • Conforming to E1 requirements of the German Federal Motor Transport Authority
  • Tested according to the following automotive standards:
    • CISPR25/CISPR16 (radiated emission)
    • ISO7637-2 (conducted emission - power line)
    • ISO7637-2 (conductive immunity - power line)
    • ISO7637-3 (capacitive immunity - signal line)
    • ISO11452-2, ISO11452-5 (radiation immunity)
    • EN50121 (radio disturbance)


Ethernet Switch Functions / Mechanical Specifications
No Gigabit Uplink port
Electrical Specifications
Other nominal input voltages: 36, 48, 72 or 96 VDC
  • Wide input range (according to EN 50155): 0.7 x nominal voltage < nominal voltage < 1.25 x nominal voltage


Data Sheets
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