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Product Data Sheets (pdf)...Rackmountable Modem, Telco, and DB-Style Manual Switches


Product Data Sheets (pdf)...PC Plus Adapters


Product Data Sheets (pdf)...PCI Fiber Adapters


Product Data Sheets (pdf)...U.S. Robotics 56K V.90 and V.92 Data Faxmodems

  • Drivers... 
  • USB Hub Drivers
    Drivers for the IC1020A, IC1022A, IC1023A, IC1025A, IC1026A, & IC1027A
 

  • Manual... 
  • RS-232 Data Sharer, 2-Port (in Metal Case)
    Installation and User Guide (Jul-00)
 


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

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