F301 - Unmanaged Industrial Ethernet Switch (Product Discontinued)

Unmanaged Fast Ethernet Switch

The F301 is an unmanaged 3U Fast Ethernet switch module with a maximum of 8 channels at the front panel (8 RJ45 or 6 D-Sub connectors) and an integrated Fast Ethernet controller. The Ethernet switch is an unmanaged device, meaning that it is not recognized by other CompactPCI devices thereby removing the need for additional software. As an option it is also available as a fixed managed device, with a customized, hardware-coded configuration.

Onboard Ethernet Controller

An onboard Ethernet controller is used to realize the interface to the CompactPCI bus. The F301 also works without the Ethernet controller being assembled. In this case the CompactPCI bus only delivers the power supply. As an option (with the Ethernet controller not being assembled) the J2 connector can be assembled and used to manage the rear I/O Ethernet signals from the ninth Ethernet port.

Compliant to Railway Standards

he F301 is specifically designed for rugged mobile communication systems. It is thus, for example, fully compliant with the EN 50155 railway standard. All components on the board are specified for a -40°C to +85°C operation temperature. The board is ready for coating. The F301 needs one slot on the CompactPCI bus, using a 4 HP or 8 HP front panel.


  • Unmanaged 8+1-Port rugged Ethernet switch
  • 8 HP 32-bit/33-MHz CompactPCI
  • 8 Fast Ethernet ports (front)
  • 1 Fast Ethernet controller (rear J1)
  • Option: 1 Fast Ethernet port (rear J2)
  • -40°C to +85°C with qualified components


Key Features
  • High-speed non-blocking, store-and-forward switching
  • Up to eight 10/100Base-T ports at front panel
  • One 10/100Base-T port at rear connector (J1 or J2)
  • Port configuration: copper, 10/100 Mbit/s
  • Auto-negotiation / Auto MDI/MDIX crossover on all ports
  • 1K MAC address lookup table with automatic learning and aging
  • Nine MAC units with integrated Layer 2 switch
  • Port speed autodetection (10/100Mbit/s)
  • Fixed managed operation via strapping or EEPROM at system reset time (option)
    • 802.1p priority and port based priority
    • Port based VLAN
    • Individual port forced modes (full duplex, 100Base-TX) when auto-negotiation is disabled
Supported Protocols and Standards
  • Ethernet flow control (IEEE 802.3x)
  • TCP/IP v4
  • Port-based VLANs
Front I/O
  • Up to eight Ethernet ports via RJ45 connectors or up to six ports via D-Sub connectors
  • Up to 18 link and activity Ethernet status LEDs (two per channel, incl. nineth port)
Rear I/O
One 10/100Base-T port via J2 (option)
CompactPCI Bus
  • Compliance with CompactPCI Specification 2.0 R3.0
  • Only one slot required on the 3U CompactPCI bus
  • Peripheral slot
  • Compliance with PCI Specification 2.1
  • 32-bit/33-MHz PCI-to-PCI bridge
  • V(I/O): +3.3V or +5V (Universal Board)
Electrical Specifications
Supply voltage/power consumption:
  • +5V (-3%/+5%), 1200mA max., 3W
  • +3.3V (-3%/+5%), 400mA max.
Mechanical Specifications
  • Dimensions: conforming to CompactPCI specification for 3U boards
  • Weight: 200g
Environmental Specifications
  • Temperature range (operation):
    • -40..+85°C
    • Airflow: min. 10m³/h
  • Temperature range (storage): -40..+85°C
  • Relative humidity (operation): max. 95% non-condensing
  • Relative humidity (storage): max. 95% non-condensing
  • Altitude: -300m to + 3,000m
  • Shock: 15g/11ms
  • Bump: 10g/16ms
  • Vibration (sinusoidal): 2g/10..150Hz
  • Conformal coating on request
442 000 h @ 40°C (derived from MIL-HDBK-217F)
Flammability (PCBs)
  • 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)
Software Support
No software required except driver for 82551ER Fast Ethernet controller (9th port at rear J1)