CDRismainlytoextractthedatasequencefromthereceivedsignal, andrestoretheclocktimingsignalcorrespondingtothedatasequence, therebyrestoringthespecificinformationreceived.
CDRbandwidthisanimportantindicatorofCDR.Itmainlyaffectsthedatalocktimeandjitterindexoftheopticalmodule, whichdeterminesthekeyperformanceoftheopticalmodule.
ThedifferencebetweenDWDMwithCDRandwithoutCDR:
(1) Prijenos pomoću CDRRazlikuje funkciju kazaljki sata i oblikovanje signala, tako da će biti bolji.
(2) općenito CDRaremostlyusedinhigh brzine, dugo distancetransmissionopticalmodules.
Stoga su zadaniSFP + moduli na' thaveCDR iXFP moduli moraju biti brži.
(3) Fortransceiversusedonaswitch, thereislittledifferencebetweenthetwo.YoucanchoosewithCDRorwithoutCDR.
