Specifications

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.