XStream™OEMRFModule–ProductManualv5.x00[2006.02.24]
Cyclic Scanning. Each RF transmission consists of an RF Initializer and payload. The wake-up
initializer contains initialization information and all receiving modules must wake during the
wake-up initializer portion of data transmission in order to be synchronized with the transmitting
module and receive the data.
Figure2‐08. CorrectConfiguration(LH>SM)
Lengthofthewake‐upinitializerexceedsthetimeintervalofCyclicSleep.Thereceiverisguaranteedtodetect
thewake‐upinitializerandreceivetheaccompanyingpayloaddata.
Figure2‐09. IncorrectConfiguration(LH<SM)
Lengthofwake‐upinitializerisshorterthanthetimeintervalofCyclicSleep.Thisconfigurationisvulnerable
tothereceiverwakingandmissingthewake‐upinitializer(andthereforealsotheaccompanyingpayloaddata).
©2006MaxStream,Inc.ConfidentialandProprietary 15
Downloaded from Elcodis.com electronic components distributor