RAD Data comm ASMI-450 Spezifikationen Seite 111

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Token Ring Desing Considerations
RADring
Installation & Operation Manual
6-8 Maximum Number of Stations per Ring and the TJA Module 3/11/98 12:26
Passive lobe – signal must cover the length of the lobe twice without
regeneration
Active lobe – signal must cover one lobe length before being regenerated
at the lobe.
back-up path
main path
(2)
RX TX
(1)
Figure 6-2 Worst Case Design Configuration with passive lobes and no repeaters
Only one active station
Located on the longest lobe (highest attenuation)
The shortest segment cable is broken
Signal has to travel almost twice the ring length.
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