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Slanted Side View of Gigabit Ethernet Converter FCNCS-1GN-1GS

Gigabit Ethernet Media Converter 1 x 10/100/1000 Base-TX to 1 x 1000 Base-FX (SFP) FCNCS-1GN-1GS

USD $41.20

General Description

The FCNCS-1GN-1GS is a Gigabit Ethernet media converter that can convert 10/100/1000Base-TX signal to 1000Base-FX signal and vice versa. It comes with an RJ45 port and SFP slot. The SFP slot can support any 1.25Gbps SFP transceiver chosen. The transmission distance of data will depend on the type of SFP transceiver. To detect any link that is broken, the converter comes with the Link Fault Pass-through (LFP) function which allows the network links to be monitored and corrected.


  • Auto-sensed 10/100/1000Mbps, easily upgrade
  • Full-duplex and half-duplex auto-sensed
  • Auto-Negotiation MDI/MDI-X 
  • 10/100/1000Mbps store-and-forward
  • 1000Mbps cut-through transmission
  • Support 9K Jumbo Frame
  • Supporting VoIP /QoS packets
  • Support flow control and reduce broadcast packets
  • Supporting STP to form a redundant network

Application Diagram

Application diagram for Gigabit Ethernet Media Converter


Standards Comply 

  • Standards 

    IEEE802.3 10BaseT
    IEEE802.3u 100BaseT(X)
    IEEE802.3ab 1000Base-T
    IEEE802.3z 1000Base-SX/LX
    IEEE802.3x Flow control and back pressure
    IEEE802.1d Spanning Tree


  • Copper Port
    Data Rate:
    Connector: RJ45

  • F/O Port
    Data Rate:
    SFP slot 


  • Processing Type: Store and Forward, Cut-through
  • Back Bandwidth: 4Gbps
  • MAC Address Size: 16Kbit
  • Packet Buffer Size: 1Mbit
  • Time Delay: <10us
  • Frame: 9Kbytes

    LED Indicators 

    • Indicators 

      FX (Fiber link is in correct connection)
      FL/A (optical link/action)
      TL/A (twisted pairs link/action)
      FDX (FX full duplex)
      100 (100M transmission rate of twisted pairs)
      1000 (1000M transmission rate of twisted pairs)
      PWR (power supply)


    • LFP: LFP enabled (default) or disabled
    • PT: 1000M Cut-through mode

    Operating and Environmental 

    • Operating Temperature 
      -20°C ~ 65°C
    • Storage Temperature
      -40°C ~ 85°C
    • Humidity
      5% ~ 95%, non-condensing  

    Dimension and Weight 

    • Dimension (mm)
      70 x 94 x 26 (WxDxH)
    Dimension diagram for Gigabit Ethernet Media Converter
    • Weight 
      0.4kg (Include external power supply)

    Power Requirement

    • Power adaptor 
      AC input: 100VAC~240VAC, 5V 1A

    • Power Plug
      UK type, 3 pins plug 


    • can be stand-alone, wall-mounted or fitted in a chassis for converters

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