| MRV Products 
 
 
  
 Using the Fiber DriverT CWDM technology, the EM316FE1SF and EM316FT1SF 
            modules combine separate voice and data channels onto a single strand 
            of fiber. The EM316FE1SF merges E1 (2.048Mbs) and Fast Ethernet (100Mbs), 
            while the EM316FT1SF combines T1 (1.544Mbs) and Fast Ethernet. This 
            technology effectively quadruples the available fiber capacity of 
            the network. For example, a PBX (T1) voice channel and a Fast Ethernet 
            data channel (100Base-FX) could be sent together over one fiber strand. 
            What normally would have taken separate dual-fiber links, one for 
            the PBX connection and one for the Fast Ethernet connection, instead 
            takes only a single strand of fiber.
 
 The modules are offered with a choice of two types of Singlemode fiber 
            optics, S2 and S3. Units with S2 optics can transmit up to distances 
            of 20 km, while units configured with S3 optics can transmit up to 
            40 km. Combined with the EM316NM network management module, these 
            modules can be configured and monitored through our own MegaVision 
            WebT network management system, or any other SNMP compliant NMS. The 
            EM316FE1SF and EM316FT1SF occupy two slots in a Fiber Driver chassis. 
            Compatible chassis include the NC316BU-2 (2-slot) and NC316BU-16 (16-slot) 
            models.
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