DNC 2 channel with data Telephone over Fiber Converter have 2 RJ11 PORTS and 1 FIBER PORT with an addition of 1 RJ45 PORT are available. The RJ45 port is used for data transmission. DNC telephone over fiber converter is a high performance fully digital fiber optic interface for links between a PABX and any touchtone telephone. It is designed for applications such as PABX/Line extension between buildings or to a remote location (e.g. from a central control room to a security guard post) where only one or a few telephones are required. A typical application example could be the emergency telephone systems of highways or other ITS (Intelligent Transportation System) applications. The Telephone to Fiber Converter can also be used to connect any two touchtone telephones to form a dedicated intercom system.
The Telephone to Fiber Converter is available with common optical fibers operating at wavelengths of 850nm, 1300nm or 1550nm. Both multimode and single mode versions are available to suit different application requirements. The longest transmission distance supported by the Telephone to Fiber Converter is 2 km on multimode fiber or 20 km, 40km, 60km as on over single mode fiber. For longer distances or special transmission requirements, please consult OSD.