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  • Video...USB Extenders

    Extend USB signals in education, healthcare, manufacturing, security, and harsh environments with simple, cost-effective USB extenders. They give you the freedom to install your USB devices anywhere.


Product Data Sheets (pdf)...RackNest 2/14


Black Box Explains...Advantages of fiber optic line drivers.

Fiber optic line drivers are much better for communications than copper-wire alternatives because they offer three main advantages: superior conductivity, freedom from interference, and security.

Superior conductivity for increased performance
The glass... more/see it nowcore of a fiber optic cable is an excellent signal conductor. With proper splices and terminations, fiber cable yields very low signal loss and can easily support data rates of 100 Mbps or more.

Immunity to electrical interference
Because fiber optic line drivers use a nonmetallic conductor, they don’t pick up or emit electromagnetic or radio-frequency interference (EMI/RFI). Crosstalk (interference from an adjacent communication channel) is also eliminated, which increases transmission quality.

Signals transmitted via fiber optic line drivers aren’t susceptible to any form of external frequency-related interference. That makes fiber connections completely immune to damaging power surges, signal distortions from nearby lightning strikes, and high-voltage interference. Because fiber cable doesn’t conduct electricity, it can’t create electrical problems in your equipment.

Signal security
Electronic eavesdropping requires the ability to intercept and monitor the electromagnetic frequencies of signals traveling over a copper data wire. Fiber optic line drivers use a light-based transmission medium, so they’re completely immune to electronic bugging. collapse


Product Data Sheets (pdf)...Microdriver 9 Short-Haul Modem B High-Speed Short-Haul Modem-B Multipoint Line Driver


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

  • Manual... 
  • USB 2.0 Ultimate Extender (CAT5, 1-Port) User Manual
    User Manual for the IC401A (Version 1)
 
  • Quick Start Guide... 
  • USB 2.0 Ultimate Extender (CAT5, 1-Port) Quick Start Guide
    Quick Start Guide for the IC401A (Version 2)
 

Black Box Explains... Spread Spectrum wireless technology.

Frequency-Hopping Spread Spectrum wireless communication provides error-free transmission, top security, and high levels of throughput without the need for an FCC site license. The key to Spread Spectrum is a... more/see it nowfrequency-hopping transceiver.

Narrow-band frequency hoppers use a predefined algorithm to maintain synchronization and high throughput between master and remote modems. They achieve this by continually switching or “hopping” from one transmission frequency to another throughout the Spread Spectrum band. The sequence of frequencies is very difficult to predict and thus nearly impossible to eavesdrop on or jam. If interference is encountered at any particular frequency, the built-in error correction detects it and resends the data packet at the next frequency hop. Because EMI/RFI interference rarely affects the entire available bandwidth, and each frequency hop is at least 6 MHz, the radio transmitter has access to as many as 100 frequencies within the spectrum to avoid interference and ensure that data gets through. collapse

  • Manual... 
  • USB Ultimate Extender over Multimode Fiber (4-Port) User Manual
    User Manual for the IC404A
 
  • Manual... 
  • X.21 G.SHDSL Two-Wire Extender/NTU User Manual
    User Manual for the ME231A-R2, ME232A-R2, & ME233A-R2 (Version 1)
 
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