Wavecard-Waveport User Manual Coronis Systems
Relay mode diagram:
When relay mode is used, the time-out (with respect to the transmitter) is not the same as with point-to-point
mode because of the additional time it takes to pass through intermediate nodes. The time-out specified by
RADIO_USER_TIMEOUT is still applied, but it does not take relays into account. The time-out value will be
applied by the last relay before the end-point receiver (R2 Delta = Radio_User_Timeout).
The value of RADIO_USER_TIMEOUT applied by the last repeater is
configured in the transmitter, not in the repeater itself.
In relay mode, repeaters use the RADIO_USER_TIMEOUT value
encapsulated in the transmitter's frame. Repeaters only uses its own
RADIO_USER_TIMEOUT setting when transmitting, not repeating.
In the above diagram, the value of RADIO_USER_TIMEOUT (set by the transmitter) corresponds to time
Delta R2 applied by Relay 2.
Delta 1 and Delta R1 are evaluated by the corresponding radio module, depending on the number of relays
(repeaters), the type of wake-up, duration, and the values of RADIO_USER_TIMEOUT and
RADIO_ACKNOWLEDGE.
CS-SUP-MUTI-WPORTAPP-E04 43
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