Most optical implementations of Fibre Channel links run over multi-mode fiber. Dependent on the transmission speed, a distance up to 500 meter or 2 km can be reached with this type of fiber. In case transmission over a longer distance is needed, an Fibre Channel extender is can be used. This will transport the data over single-mode fiber, which allows transmission over a distance of up to 30 km.
The following manafuacturer makes Fibre Channel Extenders:
FLX-1000 Optical Link Extender
The FLX-1000 Optical Link Extender extends the distance of high speed multi-mode data links to more than 30 Km. A pair of FLX-1000's accomplish this task by converting the short wavelength (800 nm) multi-mode signal to long wavelength (1310 nm) single-mode and vice versa. It performs this conversion from 100 Mb/s to 1.1 Gb/s. The 1310 nm link provides a minimum of 19 dB optical power budget for operation over at least 30 Km of single mode fiber.
Contact: Finisar - 23-Jul-1997
CERN - High Speed Interconnect
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Erik van der Bij - 23 July 1997
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