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Nomus Gateway e E1-F 

E1 over Fibre Modem

The Nomus Gateway E1-F converts E1 Electrical signals into Optical signals. This allows an E1 signal to be connected over long distances using Fibre Optic Channels. It is a very cost-effective and flexible solution to connect E1 equipment such as PABXs, Exchanges or Routers. Data rates of nx64kbps from 64Kbps to 2048kbps are supported. The Gateway E1-F conforms to ITU standards G.703 and G.995. A variety of Optical Interfaces with a choice of Connectors, Modes and Wavelengths allows the Gateway E1-F to operate in a range of applications. Front Panel Switches offer Loop backs and LEDs provide visual indications of the Electrical and Optical Links

Application Diagram 



  • Converts T1 or E1 electrical signals to optical signals and vice-versa.
  • Supports ITU standards G.703, G.704 and G.995.
  • Supports framed and unframed mode of operation.
  • Data rates of nx64kbs (N=1 to 32) selectable through DIP Switches.
  • Balanced and Unbalanced Electrical E1 modes.
  • Detects & transmits Alarms: LOS, AIS, LOF
  • Useful for interconnecting Exchanges, PABXs, Routers and other T1, E1 equipment.
  • Offers a variety of Optical Connectors and Wavelengths in Single and Multi Modes.
  • Loop backs towards Electrical and Optical sides.