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CNFE8FX8US Comnet Unmanaged Switch, 8 Port, 100Mbps, 8 Fiber, SFP Sold Seperately

  • Electrical ports support Auto-Negotiation for 10 Mbps or 100 Mbps, full duplex or half duplex data.
  • Optical port supports 100 Mbps full duplex data
  • Automatic MDI/MDI-X crossover
  • Designed to meet full compliance with the environmental requirements (ambient operating temperature, mechanical shock, vibration, humidity with condensation, high-line/low-line voltage conditions and transient voltage protection) of NEMA TS-1/TS-2 and the Caltrans Specification for Traffic Signal Control Equipment.
  • Uses interchangeable SFP for fiber type, distance and connector (Ordered separately)
  • Voltage transient protection on all power and signal input/output lines provides unconditional protection from power surges and other voltage transient events.
  • No in-field optical adjustments required
  • Power, Activity and Port status LED indicators
More details...
MSRP Price: $1,102.50
Online Price: $895.75
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Product Details

The ComNet CNFE8US Series Ethernet 8 port unmanaged switch is designed to transmit and receive 10/100 Mbps data over optical fiber through user selectable SFP options or 10/100 Mbps data over CAT5E/6 electrical cable. This unit integrates eight independent 10/100 Mbps channels in a single package. The CNFE8FX4TX4US and CNFE8FX8US require the ordering of sold-separately interchangeable SFP modules for fiber type, distance and connectors. All electrical interfaces will Auto-Negotiate to 10 Mbps, or 100 Mbps Ethernet rate without any adjustments. The optical interfaces operate at a 100 Mbps Ethernet rate. The CNFE8US Series models are environmentally hardened to operate in demanding environments. LED indicators are provided for confirming equipment operating status. Packaged in the exclusive ComNet ComFit housing, these units may be either wall or rackmounted, or may be DIN-rail mounted by the addition of ComNet model DINBKT1 adaptor plate.



  • Data Interface - Ethernet
  • Data Rate
    • 10/100 Mbps
    • IEEE 802.3 Compliant
    • Full Duplex or Half Duplex Electrical Ports/Full Duplex Optical Port
  • Fiber - SFP Dependent
  • Cable - CAT5E/6
  • Fiber Connectors - Requires selection of sold-separately SFP modules. See ComNet data sheet for number and description of SFP modules


  • Power - Terminal Block
  • Data - RJ45

Led Indicators

  • Optical Link/Data Activity
  • Electrical Link/Data Activity
  • Power

Electrical & Mechanical

  • Power
    • Surface Mount - 9-24 VDC @ 700 mA
    • Rack Mount - From Rack
  • Number of Rack Slots - 2
  • Current Protection - Automatic Resettable Solid-State Current Limiters
  • Circuit Board - Meets IPC Standard
  • Size (in./cm) (LWH) - 6.1 5.3 2.2 in., (15.5 13.5 5.6 cm)
  • Shipping Weight - <2 lbs./0.9 kg


  • MTBF - >100,000 hours
  • Operating Temp - -40˚ C to +75˚ C
  • Storage Temp - -40˚ C to +85˚ C
  • Relative Humidity - 0% to 95% (non-condensing)

CNFE8FX8US Specifications PDF


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DWG - 800 Shames Drive , Westbury , NY 11590 , USA - 516-933-4900
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