CMC300 1000M Mini Media Converter

Gigabit Mini Media Converter

10/100/1000Base-T to 1000Base-X

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Gigabit Mini Media Converter

10/100/1000Base-T to 1000Base-X



CMC300 series is Mini Gigabit Media Converters, which extends the 10M, 100M, and 1000Mbps twisted-pair network segments up to 120km over fiber technology. It is widely used in ISP network solutions of FTTH, FTTC, and FTTBs, CCTV networks, or for small office network environments of enterprises.



  • Copper port support 10/100/1000M, Auto-Cross for MDI/MDIX
  • 1000Base-X SC fiber port up to 120km transmission
  • Full duplex and Half duplex back pressure auto-negotiation
  • Support 16K Jumbo Frame
  • Simple LED indicators for monitoring working status
  • 5~12Vdc power input and power consumption less than 2W
  • Compact size 65x45x22mm
  • IP30 plastic enclosure
  • Plug-and-play operation
  • Cost-effective and weight-less design
  • CE/FCC/RoHS compliance



  • Network Communication
  • FTTH / FTTB / FTTx
  • ISP Backhaul Networking


Technical Specifications

Standard IEEE802.3, IEEE802.3u, IEEE802.3ab, IEEE802.3z, IEEE802.3x
Data forwarding Forward mode
Switch Capacity 4Gbps
Packet forwarding Rate 2.9Mpps
Flow Control support
Jumbo Frame 16k
Copper Port 10/100/1000M Auto-negotiation,

RJ45 Auto-Cross for MDI/MDIX

Cat5/Cat5e/Cat6, ≤100m

Fiber Port 1000M SC connector

OS1/OS2 ≤120km; OM1/OM2 ≤550m

LED indicators PWR, Fiber Link/act, Copper Link/act
Power Port DC socket, φ2.5mm
Electrical characteristics
Input Power 5~12Vdc, Max.0.35A
Power Consumption <2W
Physical characteristics
Dimension 65x45x22mm
Protection IP30
Working Temperature -20~60ºC
Storage Temperature -40~85ºC
Relative Humidity 5%~95% (no condensation )
Power Adaptor
Input Voltage 100-240Vac 50/60Hz
Output 5Vdc 1A


 Order Information

Model Description
CMC300-M05 10/100/1000M, MM 850nm SC 550m
CMC300-S20 10/100/1000M, SM 1310nm SC 20km
CMC300-A02 10/100/1000M, SM TX1310/RX1550nm SC 2km
CMC300-B02 10/100/1000M, SM TX1550/RX1310nm SC 2km
CMC300-A20 10/100/1000M, SM TX1310/RX1550nm SC 20km
CMC300-B20 10/100/1000M, SM TX1550/RX1310nm SC 20km
Notes: 40/60/80/120km is available



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