Amphenol Fiber Systems International ARCH® TFOCA-II® Ruggedized Media Converters

Amphenol Fiber Systems International (AFSI) ARCH® TFOCA-II® Ruggedized Media Converters provide optical-electrical (O-E) and electrical-optical (E-O) conversion for harsh environment applications. The plug-and-play media converters allow the effortless conversion of users' systems to take advantage of the benefits of fiber optics without the need to design/develop harsh environment fiber optic transceivers and associated electronics. These stand-alone units feature ruggedized optical transceivers integrated into a compact housing with 10/100/1000 Ethernet electrical interfaces and AFSI's rugged four-channel, hermaphroditic, TFOCA-II® connector. The ARCH® Ruggedized Media Converters support conversion for 10/100/1000 (auto adaptable) Ethernet providing up to 1.0Gb/s transport over 10 miles using single-mode fiber in a compact size.


  • Effortlessly converts systems to fiber optics (longer distances, EMI/RFI immunity, lighter weight) without major system design/redesign
  • Compact size significantly reduces O-E/E-O conversion compared to traditional discrete designs
  • Supports single or dual auto-adaptable 10/100/1000 Ethernet O-E/E-O conversion
  • Harsh environment transceivers support extended temperature range and military vibration/shock requirements
  • Supports single-mode or multimode operation
  • TFOCA-II® 4-channel hermaphroditic connector
  • Compliant with IEEE 802.3


  • Military command shelters and platforms
  • Communication systems
  • Satellite communications
  • Fiber optic infrastructures
  • Ruggedized LAN systems
  • Vehicles
  • Radar


  • Optical
    • TFOCA-II® connector with either 2-channels (1 discrete pair of optical TX/RX) or 4-channels (2 discrete pairs of optical TX/RX)
    • 8501310nm, 13001310nm, 1310nm, or 1550nm fiber wavelengths
    • Fiber types 
      • 9/12mm transmission in single-mode
      • 50/125mm or 62.5/125mm transmission in multimode
    • Maximum distance with a 1.0Gbps optical transmission rate
      • 10 kilometers in single-mode
      • 500 meters in multimode
    • Typical optical budget
      • TX 0dB, RX -30dB in single-mode
      • TX -7.0dB, RX -17dB in multi-mode
  • Optical output power
    • -20dBm to -14dBm for 10/100
    • -9.5dBm to -3dBm for 100/1000
  • Receiver input sensitivity
    • -32dBm to -8dBm for 10/100
    • -19dBm to -3dBm for 100/1000
  • Electrical
    • Dual RJ-45, RJ Field, D3899 connectors, or customer-defined option
    • Dual 10/100Mbps or 100/1000Mbps Ethernet ports
    • IEEE 802.3 conformance
    • 115/230VAC universal plug adapter (+5VDC at 1.5A) or customer-defined option
  • Temperature ranges
    • -40°C to +71°C operating
    • -56°C to +85°C storage
  • MIL 810 transport vibration
Inilathala: 2021-11-30 | Na-update: 2022-03-11