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  • Quick Start Guide... 
  • Managed Miniature Media Converter Quick Start Guide
    Quick Start Guide for Managed Miniature Media Converter (1)
 

Black Box Explains...Single-strand fiber WDM.

Traditional fiber optic media converters perform a useful function but don’t really reduce the amount of cable needed to send data on a fiber segment. They still require two strands... more/see it nowof glass to send transmit and receive signals for fiber media communications. Wouldn’t it be better to combine these two logical communication paths within one strand?

That’s exactly what single-strand fiber conversion does. It compresses the transmit and receive wavelengths into one single-mode fiber strand.

The conversion is done with Wave-Division Multiplexing (WDM) technology. WDM technology increases the information-carrying capacity of optical fiber by transmitting two signals simultaneously at different wavelengths on the same fiber. The way it usually works is that one unit transmits at 1310 nm and receives at 1550 nm. The other unit transmits at 1550 nm and receives at 1310 nm. The two wavelengths operate independently and don’t interfere with each other. This bidirectional traffic flow effectively converts a single fiber into a pair of “virtual fibers,” each driven independently at different wavelengths.

Although most implementations of WDM on single-strand fiber offer two channels, four-channel versions are just being introduced, and versions offering as many as 10 channels with Gigabit capacity are on the horizon.

WDM on single-strand fiber is most often used for point-to-point links on a long-distance network. It’s also used to increase network capacity or relieve network congestion. collapse


Product Data Sheets (pdf)...Crossover Media Converters Economy Crossover Media Converters

  • Manual... 
  • PoE PSE Media Converter, 10BASE-T/100BASE-TX to 100BASE-FX
    Installation and User Guide (Jun-06)
 

Product Data Sheets (pdf)...Pure Networking Media Converters


Black Box Explains...vDSL.

VDSL (Very High Bit-Rate Digital Subscriber Line or Very High-Speed Digital Subscriber Line) is a “last-mile” broadband solution for both businesses and homes, providing economical, high-speed connections to fiber optic... more/see it nowbackbones.

VDSL enables the simultaneous transmission of voice, data, and video on existing voice-grade copper wires. Depending on the intended applications, you can set VDSL to run symmetrically or asymmetrically. VDSL’s high bandwidth allows for applications such as high-definition television, video-on-demand (VOD), high-quality videoconferencing, medical imaging, fast Internet access, and regular voice telephone services—all over a single voice-grade twisted pair. The actual VDSL distances you achieve vary based on line rate, gauge and type of wire, and noise/crosstalk environment. collapse


Product Data Sheets (pdf)...Modular Media Converters

  • Manual... 
  • Managed Miniature Media Converters User Manual
    User Manual for the LMM101A-R2, LMM102A-R2, LMM103A-R2, LMM104A-R2, LMM115A, and LMM116A (Version 2)
 
  • Manual... 
  • AC Module for LMC5207A or LMC5227A High-Density Media Converter System II Chassis User Manual
    User Manual for LMC5210A-R2, LMC5211A, LMC5212A-R2, LMC5214A, and PS7412A (1)
 

Product Data Sheets (pdf)...Standard Media Converter Switches

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