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G301 - Unmanaged 4-Port Rugged Industrial Ethernet Switch

3U CompactPCI Serial

The G301 is an unmanaged 3U Gigabit Ethernet switch implemented as a CompactPCI Serial board with 4 Gigabit Ethernet ports on RJ45 connectors.

  • G301 Product ImageG301 Standard model with RJ45 connectors
  • G301 Product ImageG301 Configuration example with M12 connectors
  • G301 Product ImageG301 Configuration example with M12 - front view
  • G301 Product ImageG301 Configuration example with M12 - back view
  • G301 Product Image
  • G301 Product Image
  • G301 Product Image
  • G301 Product Image

Main Features

  • Unmanaged 4-port rugged Ethernet switch
  • 4 Gigabit Ethernet (front) on RJ45 (M12 optional)
  • Power over Ethernet (PoE) PSE (all ports)
  • LEDs for link and activity status
  • 1 Gigabit Ethernet on rear I/O (optional)
  • -40 to +85C (screened)
  • EN 50155 class Tx (railways)
  • PICMG CPCI-S.0 CompactPCI Serial peripheral card
G301 Product Image

Technical Data

Key Features
  • High-speed non-blocking, store-and-forward switching
  • Up to four 10/100/1000Base-T ports at front panel (Electrical isolation: 1500 Vrms)
  • One 10/100/1000Base-T port at rear connector (optional)
  • Port configuration: copper, 10/100 and 1000 Mbit/s
  • Auto-negotiation / Auto MDI/MDIX crossover on all ports
  • 8K MAC address lookup table with automatic learning and aging
Supported Protocols and Standards
  • Power over Ethernet support (IEEE 802.3af / IEEE 802.3at, Type 1)
  • Port-based VLANs
Power Over Ethernet Features
Power over Ethernet functions on all ports
  • PSE (Power Sourcing Equipment) function
  • Supports supply classes 0 to 3
  • Supplies up to four PD devices (up to 28 W total)
Front I/O
  • Four Ethernet ports on RJ45 or M12 connectors
  • Four link and activity Ethernet status LEDs (two per channel)
Rear I/O
One Ethernet link via PCIe
CompactPCI Serial
  • Compliance with CompactPCI Serial PICMG CPCI-S.0 Specification
  • Peripheral slot
  • Host interface: one PCI Express x1 link
    • PCIe 1.x support
    • Data rate up to 250 MB/s in each direction (2.5 Gbit/s per lane)
Electrical Specifications
Supply voltage/power consumption
  • +12 V (-3%/+5%), 2.4 W approx. (without PoE), 28 W PoE max.
Mechanical Specifications
  • Dimensions: conforming to CompactPCI Serial specification for 3U boards
  • Front panel: 4HP with ejector
  • Weight: 162 g (with RJ45 connectors)/188 g (with M12 connectors)
Environmental Specifications
  • Temperature range (operation):
    • -40..+85°C (screened)
    • Airflow: 1.0 m/s
  • Temperature range (storage): -40..+85°C
  • Relative humidity (operation): max. 95% non-condensing
  • Relative humidity (storage): max. 95% non-condensing
  • Altitude: -300 m to +3,000 m
  • Climatic tests according to EN 68068
  • Shock and vibration tested according to EN 61373
  • Conformal coating on request
211,019 h @ 40°C according to IEC/TR 62380 (RDF 2000)
  • PCB manufactured with a flammability rating of 94V-0 by UL recognized manufacturers
EMC Conformity
  • EN 55022 (radio disturbance)
  • EN61000-4-2 (ESD Immunity)
  • IEC 61000-4-4 (burst)


Ethernet Switch
Fixed managed version
  • With fixed configuration according to customer requirements
Front Connectors
RJ45 connectors or M12 connectors
Rear I/O
CompactPCI P6 connector
  • For fifth Gigabit Ethernet 1000Base-T port (10/100 Mbit/s not supported)
Environmental specifications
Conformal coating
Cooling Concept
Also available with conduction cooling in MEN CCA frame
Some of these options may only be available for large volumes.
Please ask our sales staff for more information.

Ordering Information

Standard G301 Models

4-port unmanaged Gigabit Ethernet Switch with PoE, RJ45, -40..+70(+85)°C with qualified components


4-port unmanaged Gigabit Ethernet Switch with PoE, M12, -40..+70(+85)°C with qualified components, conformal coating

System Examples

Rugged Network Attached Storage System (NAS)

CompactPCI Serial rugged network attached storage system (NAS) with multi-processing and RAID functionality

Super Computer

Computer cluster based on standard CompactPCI Serial components consisting of 8 sub-clusters with 9 identical CPU cards

Internet Access in Trains

Application Examples

Ticketing System

This CompactPCI PlusIO based ticketing system for trains provides customers with onboard wireless prepaid payment services while traveling.