OLT乮Optical Line Terminal乯偲偼丄岝僼傽僀僶乕傪梡偄偨PON乮Passive Optical Network乯曽幃偺壛擖幰夞慄栐乮岞廜夞慄栐乯偵偍偄偰丄捠怣夛幮偺嬊懁偵愝抲偝傟傞岝夞慄偺廔抂憰抲丅

奺壛擖幰傊憲怣偡傞岝怣崋傪崌惉偟偰岝夞慄偵憲弌偟偨傝丄岝夞慄偐傜庴偗庢偭偨怣崋傪忋埵僱僢僩儚乕僋懁偺夞慄傗婡婍偵庢傝師偖丅OLT偲壛擖幰戭偺捠怣宱楬忋偵偼岝僗僾儕僢僞偲屇偽傟傞暘婒憰抲偑偁傝丄岝怣崋偺暔棟揑側暘棧傗崌惉傪峴偆丅

偙傟偵懳偟丄壛擖幰戭懁偵愝抲偝傟傞岝廔抂憰抲偺偙偲偼乽ONU乿乮Optical Network Unit乯偲偄偆丅扨懱偺婡婍偁傞偄偼僽儘乕僪僶儞僪儖乕僞側偳偺堦晹偲偟偰採嫙偝傟丄壛擖幰懁偺峔撪僱僢僩儚乕僋傗僐儞僺儏乕僞側偳偵愙懕偝傟傞丅

OLT偼傕偲傕偲戝妡偐傝側婡婍偩偭偨偑丄嬤擭偱偼僱僢僩儚乕僋僗僀僢僠偺億乕僩偵憰拝偡傞岝僩儔儞僔乕僶偺堦晹偲偟偰彫宆壔偝傟偨OLT婡擻偑撪憼偝傟偨惢昳傕偁傝丄戝庤捠怣夛幮埲奜偱傕PON曽幃偺岝夞慄栐傪塣梡偱偒傞娐嫬偑惍偄偮偮偁傞丅