| MRV Products 
 GBIC Multimode Extender
 
 
  
 The Fiber DriverT 
GBIC Multimode Extenders increase the reach of Gigabit Ethernet and Fibre 
Channel data links to distances that far exceed the defined standard. Pioneered 
by MRV Communications, this award-winning technology allows Multimode fiber 
previously used for FDDI, Fast Ethernet and other legacy protocols to now be 
used for creating high-speed communication backbones. Since first appearing in 
the Fiber Driver Gigabit Multimode Extender module, the performance and 
reliability of the Multimode Extender technology has been proven in 
installations throughout the world.
 
 Typically, Gigabit Ethernet and 
Fibre Channel transmissions over MM fiber are limited to a distance of 550 
meters or less, far shorter than the 2-kilometer standard when Multimode fiber 
is used for transmitting FDDI and Fast Ethernet. This fact has left IT managers 
needing to implement gigabit-speed protocols with little choice but to abandon 
their existing Multimode fiber plant and install new Singlemode fiber. However, 
the Multimode Extender (MX) technology, available exclusively in the Fiber 
Driver product line, gives network administrators another option.
 
 Used 
in pairs or in combination with other MX-enabled Fiber Driver products, the 
Fiber Driver GBIC Multimode Extenders carry gigabit-speed protocols on existing 
62.5µm or 50µm Multimode fiber plant to a guaranteed distance of 2 km, and as 
far as 4 km. The modules are interoperable with all standard GBIC interfaces, 
support plug-and-play functionality, and are hot swappable.
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