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  • GigaTrue CAT6 Channel 550-MHz Patch Cable (UTP) with Snagless Boots (Orange) PDF Drawing
    PDF Drawing of the EVNSL649 Series
 
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  • Modem 32144 User Manual
    User Manual for the MD833 Series
 
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  • RS-232 Surge Protector, DB9 Manual
    Manual for SP361A-R2 (Version 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)...Industrial Modem 288


Product Data Sheets (pdf)...Rackmount Surge Suppressors and Power Strips

  • Pdf Drawing... 
  • GigaTrue CAT6 Channel 550-MHz Patch Cable (UTP) with Snagless Boots (Beige) PDF Drawing
    PDF Drawing of the EVNSL645 Series
 
  • Pdf Drawing... 
  • GigaTrue CAT6 Channel 550-MHz Patch Cable (UTP) with Snagless Boots (Blue) PDF Drawing
    PDF Drawing of the EVNSL641 Series
 

  • Manual... 
  • LE2700 Series Hardened Managed Modular Switch User Manual
    User Manual for the LE2700 Series (LE2700A, LE2710C, LE2711C, LE2720C, LE2721C, LE2731C) (Version 3)
 
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