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CNFE8TX8US Comnet 8 Port 10/100 Mbps Ethernet Unmanaged Switch 8 TX

  • 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
  • Uses interchangeable SFP for fiber type, distance and connector (Ordered separately)
  • No in-field optical adjustments required
  • Power, Activity and Port status LED indicators
  • Hot-swappable rack modules
  • Interchangeable between stand-alone or rack mount use ComFit
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MSRP Price: $824.25
Online Price: $669.63
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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 - (CNFE8FX4TX4US & CNFE8FX8US) Requires selection of sold-separately SFP modules. See ComNet data sheet for number and description of SFP modules
  • Cable - CAT5E/6 (CNFE8FX4TX4US & CNFE8TX8


  • Power - Terminal Block
  • Data - RJ45
  • Optical - SFP Dependent

Led Indicators

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


  • Operating Voltage Range - 9 to 24 VDC
  • Power Consumption - 700 mA

Electrical & Mechanical

  • 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)

CNFE8TX8US Specifications PDF

CNFE8TX8US Installation Manual

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