T-REC-G.984.3-202003-I!Amd1!PDF-E.rar_gpon_通讯编程文档下载-pudn.com

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/62500b2574bc5c010559c2a4/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62500b2574bc5c010559c2a4/bg1.jpg"><div class="c x0 y1 w2 h0"><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0"> </div></div><div class="c x2 y3 w3 h3"><div class="t m0 x3 h4 y4 ff1 fs1 fc0 sc0 ls0 ws0"><span class="fc2 sc0"> </span></div><div class="t m0 x3 h5 y5 ff2 fs2 fc0 sc0 ls0 ws0"><span class="fc2 sc0"> </span></div></div><div class="c x4 y3 w4 h3"><div class="t m0 x3 h6 y6 ff3 fs1 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3 h7 y7 ff4 fs1 fc1 sc0 ls0 ws0">I<span class="_ _0"> </span>n<span class="_ _0"> </span>t<span class="_ _0"> </span>e<span class="_ _0"> </span>r<span class="_ _0"> </span>n<span class="_ _0"> </span>a<span class="_ _0"> </span>t<span class="_ _0"> </span>i<span class="_ _0"> </span>o<span class="_ _0"> </span>n<span class="_ _0"> </span>a<span class="_ _0"> </span>l<span class="_ _0"> </span> <span class="_ _0"> </span>T<span class="_ _0"> </span>e<span class="_ _0"> </span>l<span class="_ _0"> </span>e<span class="_ _0"> </span>c<span class="_ _0"> </span>o<span class="_ _0"> </span>m<span class="_ _0"> </span>m<span class="_ _0"> </span>u<span class="_ _0"> </span>n<span class="_ _0"> </span>i<span class="_ _0"> </span>c<span class="_ _0"> </span>a<span class="_ _1"> </span>t<span class="_ _0"> </span>i<span class="_ _0"> </span>o<span class="_ _0"> </span>n<span class="_ _1"> </span> <span class="_ _0"> </span>U<span class="_ _2"> </span>n<span class="_ _1"> </span>i<span class="_ _2"> </span>o<span class="_ _1"> </span>n<span class="_ _3"> </span><span class="fs0 fc0"> </span></div></div><div class="c x2 y8 w3 h8"><div class="t m0 x3 h4 y9 ff1 fs1 fc0 sc0 ls0 ws0"><span class="fc2 sc0"> </span></div></div><div class="c x4 y8 w4 h8"><div class="t m0 x3 h4 ya ff1 fs1 fc0 sc0 ls0 ws0"> </div></div><div class="c x4 yb w5 h9"><div class="t m0 x5 ha yc ff4 fs3 fc0 sc0 ls0 ws0">I<span class="_ _4"></span>T<span class="_ _4"></span>U<span class="_ _4"></span>-<span class="_ _4"></span>T<span class="_ _5"></span><span class="ff2 fs0"> </span></div></div><div class="c x6 yb w6 h9"><div class="t m0 x7 hb yd ff4 fs4 fc0 sc0 ls0 ws0">G.984.3 </div></div><div class="c x4 ye w7 hc"><div class="t m0 x5 hd yf ff3 fs5 fc0 sc0 ls0 ws0">TELECOMMUNICATION </div><div class="t m0 x5 hd y10 ff3 fs5 fc0 sc0 ls0 ws0">STANDARDIZATION SEC<span class="_ _6"></span>TOR </div><div class="t m0 x5 he y11 ff3 fs5 fc0 sc0 ls0 ws0">OF ITU<span class="ff2"> </span></div></div><div class="c x8 ye w8 hc"><div class="t m0 x9 hf y12 ff4 fs6 fc0 sc0 ls0 ws0">Amendment 1 </div><div class="t m0 xa h10 y13 ff3 fs7 fc0 sc0 ls0 ws0">(03/2020) <span class="fc2 sc0"> </span><span class="fc2 sc0"> </span></div></div><div class="c x2 y14 w9 h11"><div class="t m0 x3 h12 y15 ff3 fs0 fc0 sc0 ls0 ws0"><span class="fc2 sc0"> </span></div></div><div class="c x4 y14 wa h11"><div class="t m0 x3 h13 y16 ff3 fs8 fc0 sc0 ls0 ws0">SERIES G: TRANSMISS<span class="_ _6"></span>ION SYSTEMS AND MEDIA, </div><div class="t m0 x3 h13 y17 ff3 fs8 fc0 sc0 ls0 ws0">DIGITAL SYSTEMS AND NET<span class="_ _6"></span>WORKS </div><div class="t m0 x3 h13 y18 ff3 fs8 fc0 sc0 ls0 ws0">Digital sections and digital <span class="_ _6"></span>line system <span class="ff5">–</span> Optical line </div><div class="t m0 x3 h13 y19 ff3 fs8 fc0 sc0 ls0 ws0">systems for local and access network<span class="_ _6"></span>s </div><div class="t m0 x3 h13 y1a ff3 fs8 fc0 sc0 ls0 ws0"> </div></div><div class="c x2 y1b w9 h14"><div class="t m0 x3 h12 y1c ff3 fs0 fc0 sc0 ls0 ws0"><span class="fc2 sc0"> </span></div></div><div class="c x4 y1b wa h14"><div class="t m0 x3 h15 y1d ff3 fs6 fc0 sc0 ls0 ws0">Gigabit-capable passive optical networks (G-PON): </div><div class="t m0 x3 h15 y1e ff3 fs6 fc0 sc0 ls0 ws0">Transmission convergence layer specification </div><div class="t m0 x3 hf y1f ff4 fs6 fc0 sc0 ls0 ws0">Amendment 1 </div><div class="t m0 x3 h15 y20 ff3 fs6 fc0 sc0 ls0 ws0"> </div></div><div class="c x2 y21 w9 h3"><div class="t m0 x3 h12 y22 ff3 fs0 fc0 sc0 ls0 ws0"><span class="fc2 sc0"> </span></div></div><div class="c x4 y21 wa h3"><div class="t m0 x3 h13 y23 ff3 fs8 fc0 sc0 ls0 ws0">Recommendation ITU-T G.984<span class="_ _6"></span>.3 (2014)<span class="ls1"> </span><span class="ff5">–</span><span class="ls1"> </span></div><div class="t m0 x3 h13 y24 ff3 fs8 fc0 sc0 ls0 ws0">Amendment 1 </div><div class="t m0 x3 h13 y1a ff3 fs8 fc0 sc0 ls0 ws0"> </div></div><div class="c x0 y1 w2 h0"><div class="t m0 xb h12 y25 ff3 fs0 fc0 sc0 ls0 ws0"> </div></div></div><div class="pi" data-data='{"ctm":[1.611677,0.000000,0.000000,1.611677,0.000000,0.000000]}'></div></div> </body> </html>

<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62500b2574bc5c010559c2a4/bg2.jpg"><div class="c x0 y1 w2 h0"><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 xc h16 y26 ff1 fs5 fc0 sc0 ls0 ws0">ITU-<span class="ls2">T </span>G-SERIES RECOMMENDAT<span class="_ _6"></span>IONS </div><div class="t m0 xd he y27 ff2 fs5 fc0 sc0 ls0 ws0">TRANSMISSION SYSTEMS A<span class="_ _6"></span>ND MEDIA, DIGITAL SYSTE<span class="_ _6"></span>MS AND NETWORKS </div></div><div class="c xe y28 wb h17"><div class="t m0 x5 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0"> </div></div><div class="c xf y28 wc h17"><div class="t m0 x3 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0"> </div></div><div class="c xe y2a wb h17"><div class="t m0 x10 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">INTERNATIONAL TELEP<span class="_ _6"></span>HONE CONNECTIONS AND CIRC<span class="_ _6"></span>UITS </div></div><div class="c xf y2a wc h17"><div class="t m0 x3 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">G.100<span class="ff6">–</span>G.199 </div></div><div class="c xe y2b wb h18"><div class="t m0 x10 h16 y2c ff1 fs5 fc0 sc0 ls0 ws0">GENERAL CHARACTERI<span class="_ _6"></span>STICS COMMON TO ALL ANAL<span class="_ _6"></span>OGUE CARRIER-</div><div class="t m0 x10 h16 y2d ff1 fs5 fc0 sc0 ls0 ws0">TRANSMISSION SYSTEMS </div></div><div class="c xf y2b wc h18"><div class="t m0 x3 h16 y2e ff1 fs5 fc0 sc0 ls0 ws0">G.200<span class="ff6">–</span>G.299 </div></div><div class="c xe y2f wb h19"><div class="t m0 x10 h16 y30 ff1 fs5 fc0 sc0 ls0 ws0">INDIVIDUAL CHARACTERISTIC<span class="_ _6"></span>S OF INTERNATIO<span class="_ _6"></span>NAL CARRIER TELEPH<span class="_ _6"></span>ONE </div><div class="t m0 x10 h16 y1a ff1 fs5 fc0 sc0 ls0 ws0">SYSTEMS ON METALLIC<span class="_ _6"></span> LINES </div></div><div class="c xf y2f wc h19"><div class="t m0 x3 h16 y31 ff1 fs5 fc0 sc0 ls0 ws0">G.300<span class="ff6">–</span>G.399 </div></div><div class="c xe y32 wb h1a"><div class="t m0 x10 h16 y33 ff1 fs5 fc0 sc0 ls0 ws0">GENERAL CHARACTERI<span class="_ _6"></span>STICS OF INTERNATIONAL C<span class="_ _6"></span>ARRIER TELEPHONE<span class="_ _6"></span> SYSTEMS </div><div class="t m0 x10 h16 y31 ff1 fs5 fc0 sc0 ls0 ws0">ON RADIO-RELAY OR SATELLITE L<span class="_ _6"></span>INKS AND INTERCONNECT<span class="_ _6"></span>ION WITH METALLIC </div><div class="t m0 x10 h16 y1a ff1 fs5 fc0 sc0 ls0 ws0">LINES </div></div><div class="c xf y32 wc h1a"><div class="t m0 x3 h16 y34 ff1 fs5 fc0 sc0 ls0 ws0">G.400<span class="ff6">–</span>G.449 </div></div><div class="c xe y35 wb h17"><div class="t m0 x10 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">COORDINATION OF RA<span class="_ _6"></span>DIOTELEPHONY AND LINE TELE<span class="_ _6"></span>PHONY </div></div><div class="c xf y35 wc h17"><div class="t m0 x3 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">G.450<span class="ff6">–</span>G.499 </div></div><div class="c xe y36 wb h17"><div class="t m0 x10 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">TRANSMISSION MEDIA AND OPTIC<span class="_ _6"></span>AL SYSTEMS CHARACTERI<span class="_ _6"></span>STICS </div></div><div class="c xf y36 wc h17"><div class="t m0 x3 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">G.600<span class="ff6">–</span>G.699 </div></div><div class="c xe y37 wb h1b"><div class="t m0 x10 h16 y1a ff1 fs5 fc0 sc0 ls0 ws0">DIGITAL TERMINAL EQUIPME<span class="_ _6"></span>NTS </div></div><div class="c xf y37 wc h1b"><div class="t m0 x3 h16 y1a ff1 fs5 fc0 sc0 ls0 ws0">G.700<span class="ff6">–</span>G.799 </div></div><div class="c xe y38 wb h17"><div class="t m0 x10 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">DIGITAL NETWORKS </div></div><div class="c xf y38 wc h17"><div class="t m0 x3 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">G.800<span class="ff6">–</span>G.899 </div></div><div class="c xe y39 wb h17"><div class="t m0 x10 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">DIGITAL SECTIONS AND DI<span class="_ _6"></span>GITAL LINE SYSTEM </div></div><div class="c xf y39 wc h17"><div class="t m0 x3 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">G.900<span class="ff6">–</span>G.999 </div></div><div class="c xe y3a wb h1b"><div class="t m0 x11 h16 y1a ff1 fs5 fc0 sc0 ls0 ws0">General </div></div><div class="c xf y3a wc h1b"><div class="t m0 x3 h16 y1a ff1 fs5 fc0 sc0 ls0 ws0">G.900<span class="ff6">–</span>G.909 </div></div><div class="c xe y3b wb h17"><div class="t m0 x11 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">Parameters for optical fibre<span class="_ _6"></span> cable systems </div></div><div class="c xf y3b wc h17"><div class="t m0 x3 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">G.910<span class="ff6">–</span>G.919 </div></div><div class="c xe y3c wb h17"><div class="t m0 x11 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">Digital sections at hierarchical<span class="_ _6"></span> bit rates based on a bit rate of 20<span class="_ _6"></span>48 kbit/s </div></div><div class="c xf y3c wc h17"><div class="t m0 x3 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">G.920<span class="ff6">–</span>G.929 </div></div><div class="c xe y3d wb h1b"><div class="t m0 x11 h16 y1a ff1 fs5 fc0 sc0 ls0 ws0">Digital line transmissi<span class="_ _6"></span>on systems on cable at non-hierarchical bit rates<span class="_ _6"></span> </div></div><div class="c xf y3d wc h1b"><div class="t m0 x3 h16 y1a ff1 fs5 fc0 sc0 ls0 ws0">G.930<span class="ff6">–</span>G.939 </div></div><div class="c xe y3e wb h17"><div class="t m0 x11 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">Digital line system<span class="_ _6"></span>s provided by FDM transmission bearers </div></div><div class="c xf y3e wc h17"><div class="t m0 x3 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">G.940<span class="ff6">–</span>G.949 </div></div><div class="c xe y3f wb h17"><div class="t m0 x11 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">Digital line system<span class="_ _6"></span>s </div></div><div class="c xf y3f wc h17"><div class="t m0 x3 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">G.950<span class="ff6">–</span>G.959 </div></div><div class="c xe y40 wb h1b"><div class="t m0 x11 h16 y1a ff1 fs5 fc0 sc0 ls0 ws0">Digital section and digital<span class="_ _6"></span> transmission system<span class="_ _6"></span>s for customer access to ISDN </div></div><div class="c xf y40 wc h1b"><div class="t m0 x3 h16 y1a ff1 fs5 fc0 sc0 ls0 ws0">G.960<span class="ff6">–</span>G.969 </div></div><div class="c xe y41 wb h17"><div class="t m0 x11 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">Optical fibre submarine cable syst<span class="_ _6"></span>ems </div></div><div class="c xf y41 wc h17"><div class="t m0 x3 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">G.970<span class="ff6">–</span>G.979 </div></div><div class="c xe y42 wb h17"><div class="t m0 x11 he y29 ff2 fs5 fc0 sc0 ls0 ws0">Optical line systems for local<span class="_ _6"></span> and access networks </div></div><div class="c xf y42 wc h17"><div class="t m0 x3 he y29 ff2 fs5 fc0 sc0 ls0 ws0">G.980<span class="ff7">–</span>G.989 </div></div><div class="c xe y43 wb h1b"><div class="t m0 x11 h16 y1a ff1 fs5 fc0 sc0 ls0 ws0">Metallic access networks </div></div><div class="c xf y43 wc h1b"><div class="t m0 x3 h16 y1a ff1 fs5 fc0 sc0 ls0 ws0">G.990<span class="ff6">–</span>G.999 </div></div><div class="c xe y44 wb h1c"><div class="t m0 x10 h16 y31 ff1 fs5 fc0 sc0 ls0 ws0">MULTIMEDIA QUALITY <span class="_ _6"></span>OF SERVICE AND PERFORM<span class="_ _6"></span>ANCE <span class="ff6">–</span> GENERIC AND USER-</div><div class="t m0 x10 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">RELATED ASPECTS </div></div><div class="c xf y44 wc h1c"><div class="t m0 x3 h16 y45 ff1 fs5 fc0 sc0 ls0 ws0">G.1000<span class="ff6">–</span>G.1999 </div></div><div class="c xe y46 wb h1d"><div class="t m0 x10 h16 y1a ff1 fs5 fc0 sc0 ls0 ws0">TRANSMISSION MEDIA C<span class="_ _6"></span>HARACTERISTICS </div></div><div class="c xf y46 wc h1d"><div class="t m0 x3 h16 y1a ff1 fs5 fc0 sc0 ls0 ws0">G.6000<span class="ff6">–</span>G.6999 </div></div><div class="c xe y47 wb h17"><div class="t m0 x10 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">DATA OVER TRANSPORT <span class="ff6">–</span> GENER<span class="_ _6"></span>IC ASPECTS </div></div><div class="c xf y47 wc h17"><div class="t m0 x3 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">G.7000<span class="ff6">–</span>G.7999 </div></div><div class="c xe y48 wb h17"><div class="t m0 x10 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">PACKET OVER TRANSPORT AS<span class="_ _6"></span>PECTS </div></div><div class="c xf y48 wc h17"><div class="t m0 x3 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0">G.8000<span class="ff6">–</span>G.8999 </div></div><div class="c xe y49 wb h1b"><div class="t m0 x10 h16 y1a ff1 fs5 fc0 sc0 ls0 ws0">ACCESS NETWORKS </div></div><div class="c xf y49 wc h1b"><div class="t m0 x3 h16 y1a ff1 fs5 fc0 sc0 ls0 ws0">G.9000<span class="ff6">–</span>G.9999 </div></div><div class="c xe y4a wb h17"><div class="t m0 x10 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0"> </div></div><div class="c xf y4a wc h17"><div class="t m0 x3 h16 y29 ff1 fs5 fc0 sc0 ls0 ws0"> </div></div><div class="c x0 y1 w2 h0"><div class="t m0 x2 h2 y4b ff8 fs0 fc0 sc0 ls0 ws0">For further details, please refer to the list of ITU-<span class="ls3">T </span>Recommendations.<span class="ff1"> </span></div><div class="t m0 x1 h16 y4c ff1 fs5 fc0 sc0 ls0 ws0"> </div><div class="t m0 x2 h1e y4d ff8 fs5 fc0 sc0 ls0 ws0"> </div></div></div><div class="pi" data-data='{"ctm":[1.611677,0.000000,0.000000,1.611677,0.000000,0.000000]}'></div></div>

<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62500b2574bc5c010559c2a4/bg3.jpg"><div class="c x0 y1 w2 h0"><div class="t m0 x1 h2 y4e ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x2 h1f y4f ff2 fs9 fc0 sc0 ls0 ws0"> <span class="_ _7"> </span> <span class="_ _8"> </span>Rec. ITU-T G.984.3<span class="_ _9"></span> (2014)/Amd.1 (03/2020) <span class="_ _a"> </span><span class="ff1">i </span></div></div><div class="c x2 y50 wd h20"><div class="t m0 x3 h21 y51 ff2 fs7 fc0 sc0 ls0 ws0">Recommendation ITU-T G.98<span class="_ _9"></span>4.3 </div><div class="t m0 x12 h21 y52 ff2 fs7 fc0 sc0 ls0 ws0">Gigabit-capable passive optical net<span class="_ _9"></span>works (G-PON): Trans<span class="_ _9"></span>mission </div><div class="t m0 x13 h21 y53 ff2 fs7 fc0 sc0 ls0 ws0">convergence layer specification<span class="_ _9"></span> </div><div class="t m0 x14 h21 y54 ff2 fs7 fc0 sc0 ls0 ws0">Amendment 1 </div><div class="t m0 x3 h4 y55 ff1 fs1 fc0 sc0 ls0 ws0"> </div></div><div class="c x2 y56 wd h22"><div class="t m0 x3 h23 y57 ff2 fs1 fc0 sc0 ls0 ws0">Summary </div><div class="t m0 x3 h4 y58 ff1 fs1 fc0 sc0 ls0 ws0">Recommendation <span class="_ _b"></span>ITU-T <span class="_ _b"></span>G.984.3 <span class="_ _b"></span>describes <span class="_ _b"></span>the <span class="_ _b"></span>transmission <span class="_ _b"></span>convergence <span class="_ _b"></span>layer <span class="_ _b"></span>for <span class="_ _c"></span>gigabit-capable </div><div class="t m0 x3 h4 y59 ff1 fs1 fc0 sc0 ls0 ws0">passive <span class="_ _4"> </span>optical <span class="_ _4"> </span>networks <span class="_ _5"> </span><span class="ff6">–</span> <span class="_ _4"> </span>a <span class="_ _4"> </span>family <span class="_ _4"> </span>of <span class="_ _4"> </span>flexible <span class="_ _5"> </span>access <span class="_ _4"> </span>networks <span class="_ _4"> </span>capable <span class="_ _4"> </span>of <span class="_ _4"> </span>providing <span class="_ _5"> </span>a <span class="_ _4"> </span>range <span class="_ _4"> </span>of </div><div class="t m0 x3 h4 y5a ff1 fs1 fc0 sc0 ls0 ws0">broadband <span class="_ _d"></span>and <span class="_ _d"></span>narrow-band <span class="_ _d"></span>services, <span class="_ _d"></span>operating <span class="_ _d"></span>at <span class="_ _e"></span>the <span class="_ _d"></span>rates <span class="_ _d"></span>of <span class="_ _e"></span>2.48832 <span class="_ _d"></span>Gbit/s <span class="_ _d"></span>downstream <span class="_ _e"></span>and <span class="_ _d"></span>1.24416 </div><div class="t m0 x3 h4 y5b ff1 fs1 fc0 sc0 ls0 ws0">or 2.48832 Gbit/s upstream. This Recommendation includes the specifications of the following: </div><div class="t m0 x3 h4 y5c ff6 fs1 fc0 sc0 ls0 ws0">•<span class="ff1"> <span class="_ _f"> </span>gigabit PON transmission convergence (GTC) layer framing; </span></div><div class="t m0 x3 h4 y5d ff6 fs1 fc0 sc0 ls0 ws0">•<span class="ff1"> <span class="_ _f"> </span>upstream time division multiple access mechanism; </span></div><div class="t m0 x3 h4 y5e ff6 fs1 fc0 sc0 ls0 ws0">•<span class="ff1"> <span class="_ _f"> </span>physical layer operation, administration and maintenance (OAM) messaging channel; </span></div><div class="t m0 x3 h4 y5f ff6 fs1 fc0 sc0 ls0 ws0">•<span class="ff1"> <span class="_ _f"> </span>principles and signalling mechanism of the upstream dynam<span class="_ _6"></span>ic bandwidth assignment; </span></div><div class="t m0 x3 h4 y60 ff6 fs1 fc0 sc0 ls0 ws0">•<span class="ff1"> <span class="_ _f"> </span>optical network unit (ONU) activation method; </span></div><div class="t m0 x3 h4 y61 ff6 fs1 fc0 sc0 ls0 ws0">•<span class="ff1"> <span class="_ _f"> </span>forward error correction; </span></div><div class="t m0 x3 h4 y62 ff6 fs1 fc0 sc0 ls0 ws0">•<span class="ff1"> <span class="_ _f"> </span>security. </span></div><div class="t m0 x3 h4 y63 ff1 fs1 fc0 sc0 ls0 ws0">This <span class="_ _c"></span>Recommendation <span class="_ _c"></span>form<span class="_ _d"></span>s <span class="_ _c"></span>an <span class="_ _c"></span>integral <span class="_ _c"></span>part <span class="_ _c"></span>of <span class="_ _c"></span>the <span class="_ _c"></span>G.984-series <span class="_ _c"></span>of <span class="_ _10"></span>ITU-T <span class="_ _c"></span>Recommendations <span class="_ _10"></span>that, </div><div class="t m0 x3 h4 y34 ff1 fs1 fc0 sc0 ls0 ws0">together, specify a single coherent set of access transmission systems. </div><div class="t m0 x3 h4 y55 ff1 fs1 fc0 sc0 ls0 ws0">Amendment 1 provides necessary extensions to support Class D ODN. </div></div><div class="c x2 y64 wd h24"><div class="t m0 x3 h23 y65 ff2 fs1 fc0 sc0 ls0 ws0">History </div></div><div class="c x15 y66 we h25"><div class="t m0 x3 h26 y67 ff1 fs9 fc0 sc0 ls0 ws0">Edition </div></div><div class="c x16 y66 wf h25"><div class="t m0 x17 h26 y67 ff1 fs9 fc0 sc0 ls0 ws0">Recommendation </div></div><div class="c x18 y66 w10 h25"><div class="t m0 x10 h26 y67 ff1 fs9 fc0 sc0 ls0 ws0">Approval </div></div><div class="c x19 y66 w11 h25"><div class="t m0 x3 h26 y67 ff1 fs9 fc0 sc0 ls0 ws0">Study Group </div></div><div class="c x1a y66 w12 h25"><div class="t m0 x1b h26 y68 ff1 fs9 fc0 sc0 ls0 ws0">Unique ID</div><div class="t m0 x1c h2 y69 ff1 fs0 fc0 sc0 ls0 ws0">*</div><div class="t m0 x1d h26 y68 ff1 fs9 fc0 sc0 ls0 ws0"> </div></div><div class="c x15 y6a we h27"><div class="t m0 x1e h26 y6b ff1 fs9 fc0 sc0 ls0 ws0">1.0 </div></div><div class="c x16 y6a wf h27"><div class="t m0 x3 h26 y6b ff1 fs9 fc0 sc0 ls4 ws0">ITU<span class="ls0">-T G.984.3 </span></div></div><div class="c x18 y6a w10 h27"><div class="t m0 x3 h26 y6b ff1 fs9 fc0 sc0 ls5 ws0">2004<span class="ls0">-</span>02<span class="ls0">-<span class="ls6">22</span> </span></div></div><div class="c x19 y6a w11 h27"><div class="t m0 x1f h26 y6b ff1 fs9 fc0 sc0 ls5 ws0">15<span class="ls0"> </span></div></div><div class="c x1a y6a w12 h27"><div class="t m0 x3 h4 y6c ff1 fs1 fc3 sc0 ls0 ws0">11.1002/1000/7072<span class="fs9 fc0"> </span></div></div><div class="c x15 y6d we h27"><div class="t m0 x1e h26 y6b ff1 fs9 fc0 sc0 ls0 ws0">1.1 </div></div><div class="c x16 y6d wf h27"><div class="t m0 x3 h26 y6b ff1 fs9 fc0 sc0 ls0 ws0"> <span class="_ _11"> </span><span class="ls4">ITU</span>-T G.984.3 (2004) Amd. 1 </div></div><div class="c x18 y6d w10 h27"><div class="t m0 x3 h26 y6b ff1 fs9 fc0 sc0 ls5 ws0">2005<span class="ls0">-</span>07<span class="ls0">-<span class="ls6">14</span> </span></div></div><div class="c x19 y6d w11 h27"><div class="t m0 x1f h26 y6b ff1 fs9 fc0 sc0 ls5 ws0">15<span class="ls0"> </span></div></div><div class="c x1a y6d w12 h27"><div class="t m0 x3 h4 y6c ff1 fs1 fc3 sc0 ls0 ws0">11.1002/1000/8544<span class="fs9 fc0"> </span></div></div><div class="c x15 y6e we h25"><div class="t m0 x1e h26 y6f ff1 fs9 fc0 sc0 ls0 ws0">1.2 </div></div><div class="c x16 y6e wf h25"><div class="t m0 x3 h26 y6f ff1 fs9 fc0 sc0 ls0 ws0"> <span class="_ _11"> </span><span class="ls4">ITU</span>-T G.984.3 (2004) Amd. 2 </div></div><div class="c x18 y6e w10 h25"><div class="t m0 x3 h26 y6f ff1 fs9 fc0 sc0 ls5 ws0">2006<span class="ls0">-</span>03<span class="ls0">-<span class="ls6">29</span> </span></div></div><div class="c x19 y6e w11 h25"><div class="t m0 x1f h26 y6f ff1 fs9 fc0 sc0 ls5 ws0">15<span class="ls0"> </span></div></div><div class="c x1a y6e w12 h25"><div class="t m0 x3 h4 y70 ff1 fs1 fc3 sc0 ls0 ws0">11.1002/1000/8764<span class="fs9 fc0"> </span></div></div><div class="c x15 y71 we h27"><div class="t m0 x1e h26 y6b ff1 fs9 fc0 sc0 ls0 ws0">1.3 </div></div><div class="c x16 y71 wf h27"><div class="t m0 x3 h26 y6b ff1 fs9 fc0 sc0 ls0 ws0"> <span class="_ _11"> </span><span class="ls4">ITU</span>-T G.984.3 (2004) Amd. 3 </div></div><div class="c x18 y71 w10 h27"><div class="t m0 x3 h26 y6b ff1 fs9 fc0 sc0 ls5 ws0">2006<span class="ls0">-</span>12<span class="ls0">-<span class="ls6">14</span> </span></div></div><div class="c x19 y71 w11 h27"><div class="t m0 x1f h26 y6b ff1 fs9 fc0 sc0 ls5 ws0">15<span class="ls0"> </span></div></div><div class="c x1a y71 w12 h27"><div class="t m0 x3 h4 y6c ff1 fs1 fc3 sc0 ls0 ws0">11.1002/1000/8987<span class="fs9 fc0"> </span></div></div><div class="c x15 y72 we h27"><div class="t m0 x1e h26 y6b ff1 fs9 fc0 sc0 ls0 ws0">2.0 </div></div><div class="c x16 y72 wf h27"><div class="t m0 x3 h26 y6b ff1 fs9 fc0 sc0 ls4 ws0">ITU<span class="ls0">-T G.984.3 </span></div></div><div class="c x18 y72 w10 h27"><div class="t m0 x3 h26 y6b ff1 fs9 fc0 sc0 ls5 ws0">2008<span class="ls0">-</span>03<span class="ls0">-<span class="ls6">29</span> </span></div></div><div class="c x19 y72 w11 h27"><div class="t m0 x1f h26 y6b ff1 fs9 fc0 sc0 ls5 ws0">15<span class="ls0"> </span></div></div><div class="c x1a y72 w12 h27"><div class="t m0 x3 h4 y6c ff1 fs1 fc3 sc0 ls0 ws0">11.1002/1000/9381<span class="fs9 fc0"> </span></div></div><div class="c x15 y73 we h25"><div class="t m0 x1e h26 y6f ff1 fs9 fc0 sc0 ls0 ws0">2.1 </div></div><div class="c x16 y73 wf h25"><div class="t m0 x3 h26 y6f ff1 fs9 fc0 sc0 ls0 ws0"> <span class="_ _11"> </span><span class="ls4">ITU</span>-T G.984.3 (2008) Amd. 1 </div></div><div class="c x18 y73 w10 h25"><div class="t m0 x3 h26 y6f ff1 fs9 fc0 sc0 ls5 ws0">2009<span class="ls0">-</span>02<span class="ls0">-<span class="ls6">13</span> </span></div></div><div class="c x19 y73 w11 h25"><div class="t m0 x1f h26 y6f ff1 fs9 fc0 sc0 ls5 ws0">15<span class="ls0"> </span></div></div><div class="c x1a y73 w12 h25"><div class="t m0 x3 h4 y70 ff1 fs1 fc3 sc0 ls0 ws0">11.1002/1000/9673<span class="fs9 fc0"> </span></div></div><div class="c x15 y74 we h27"><div class="t m0 x1e h26 y6b ff1 fs9 fc0 sc0 ls0 ws0">2.2 </div></div><div class="c x16 y74 wf h27"><div class="t m0 x3 h26 y6b ff1 fs9 fc0 sc0 ls0 ws0"> <span class="_ _11"> </span><span class="ls4">ITU</span>-T G.984.3 (2008) Amd. 2 </div></div><div class="c x18 y74 w10 h27"><div class="t m0 x3 h26 y6b ff1 fs9 fc0 sc0 ls5 ws0">2009<span class="ls0">-</span>11<span class="ls0">-<span class="ls6">13</span> </span></div></div><div class="c x19 y74 w11 h27"><div class="t m0 x1f h26 y6b ff1 fs9 fc0 sc0 ls5 ws0">15<span class="ls0"> </span></div></div><div class="c x1a y74 w12 h27"><div class="t m0 x3 h4 y6c ff1 fs1 fc3 sc0 ls0 ws0">11.1002/1000/10405<span class="fs9 fc0"> </span></div></div><div class="c x15 y75 we h27"><div class="t m0 x1e h26 y6b ff1 fs9 fc0 sc0 ls0 ws0">2.3 </div></div><div class="c x16 y75 wf h27"><div class="t m0 x3 h26 y6b ff1 fs9 fc0 sc0 ls0 ws0"> <span class="_ _11"> </span><span class="ls4">ITU</span>-T G.984.3 (2008) Amd. 3 </div></div><div class="c x18 y75 w10 h27"><div class="t m0 x3 h26 y6b ff1 fs9 fc0 sc0 ls5 ws0">2012<span class="ls0">-</span>04<span class="ls0">-<span class="ls6">22</span> </span></div></div><div class="c x19 y75 w11 h27"><div class="t m0 x1f h26 y6b ff1 fs9 fc0 sc0 ls5 ws0">15<span class="ls0"> </span></div></div><div class="c x1a y75 w12 h27"><div class="t m0 x3 h4 y6c ff1 fs1 fc3 sc0 ls0 ws0">11.1002/1000/11496<span class="fs9 fc0"> </span></div></div><div class="c x15 y76 we h28"><div class="t m0 x1e h26 y6f ff1 fs9 fc0 sc0 ls0 ws0">3.0 </div></div><div class="c x16 y76 wf h28"><div class="t m0 x3 h26 y6f ff1 fs9 fc0 sc0 ls4 ws0">ITU<span class="ls0">-T G.984.3 </span></div></div><div class="c x18 y76 w10 h28"><div class="t m0 x3 h26 y6f ff1 fs9 fc0 sc0 ls5 ws0">2014<span class="ls0">-</span>01<span class="ls0">-<span class="ls6">13</span> </span></div></div><div class="c x19 y76 w11 h28"><div class="t m0 x1f h26 y6f ff1 fs9 fc0 sc0 ls5 ws0">15<span class="ls0"> </span></div></div><div class="c x1a y76 w12 h28"><div class="t m0 x3 h4 y70 ff1 fs1 fc3 sc0 ls0 ws0">11.1002/1000/12099<span class="fs9 fc0"> </span></div></div><div class="c x15 y64 we h27"><div class="t m0 x1e h26 y6b ff1 fs9 fc0 sc0 ls0 ws0">3.1 </div></div><div class="c x16 y64 wf h27"><div class="t m0 x3 h26 y6b ff1 fs9 fc0 sc0 ls0 ws0"> <span class="_ _11"> </span><span class="ls4">ITU</span>-T G.984.3 (2014) Amd. 1 </div></div><div class="c x18 y64 w10 h27"><div class="t m0 x3 h26 y6b ff1 fs9 fc0 sc0 ls5 ws0">2020<span class="ls0">-</span>03<span class="ls0">-<span class="ls6">15</span> </span></div></div><div class="c x19 y64 w11 h27"><div class="t m0 x1f h26 y6b ff1 fs9 fc0 sc0 ls5 ws0">15<span class="ls0"> </span></div></div><div class="c x1a y64 w12 h27"><div class="t m0 x3 h4 y6c ff1 fs1 fc3 sc0 ls0 ws0">11.1002/1000/14189<span class="fs9 fc0"> </span></div></div><div class="c x2 y64 wd h24"><div class="t m0 x3 h29 y1 ff2 fsa fc0 sc0 ls0 ws0"> </div></div><div class="c x0 y1 w2 h0"><div class="t m0 x2 h4 y77 ff1 fs1 fc0 sc0 ls0 ws0"> </div><div class="t m0 x2 h2a y78 ff1 fsb fc0 sc0 ls0 ws0"> </div><div class="t m0 x2 h4 y79 ff1 fs1 fc0 sc0 ls0 ws0">____________________ </div><div class="t m0 x2 h2 y7a ff1 fs0 fc0 sc0 ls0 ws0">*</div><div class="t m0 x20 h26 y7b ff1 fs9 fc0 sc0 ls0 ws0"> <span class="_ _3"> </span><span class="ls7">To</span> access the Recommendation, type the <span class="ls8">URL</span> http://handle.itu.int/ <span class="_ _9"></span><span class="ls9">in</span> the address field <span class="ls5">of</span> your <span class="ls8">web</span> </div><div class="t m0 x21 h26 y7c ff1 fs9 fc0 sc0 ls0 ws0">browser, followed <span class="ls6">by<span class="_ _9"></span></span> the Recommendation's unique<span class="_ _9"></span> ID. For example, <span class="fc3">http://handle.itu.in<span class="_ _9"></span>t/11.1002/1000/11</span></div><div class="t m0 x21 h26 y7d ff1 fs9 fc3 sc0 ls5 ws0">830<span class="ls0">-<span class="lsa">en</span><span class="fc0">. </span></span></div></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.611677,0.000000,0.000000,1.611677,0.000000,0.000000]}'></div></div>

<div id="pf4" class="pf w0 h2b" data-page-no="4"><div class="pc pc4 w0 h2b"><img class="bi x0 y0 w1 h2c" alt="" src="https://static.pudn.com/prod/directory_preview_static/62500b2574bc5c010559c2a4/bg4.jpg"><div class="c x0 y1 w2 h2b"><div class="t m0 x1 h2 y7e ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x22 h1f y7f ff1 fs9 fc0 sc0 ls9 ws0">ii<span class="ff2 ls0"> <span class="_ _12"> </span>Rec. ITU-T G.984.3<span class="_ _9"></span> (2014)/Amd.1 (03/2020) </span></div><div class="t m0 x23 h26 y80 ff1 fs9 fc0 sc0 ls0 ws0">FOREWORD </div><div class="t m0 x22 h26 y81 ff1 fs9 fc0 sc0 ls0 ws0">The <span class="_ _10"></span>International <span class="_ _10"></span>Teleco<span class="_ _9"></span>mmunication <span class="_ _10"></span>Union <span class="_ _c"></span>(ITU) <span class="_ _10"></span>is <span class="_ _10"></span>the <span class="_ _10"></span>United <span class="_ _c"></span>Nations <span class="_ _10"></span>specialized <span class="_ _10"></span>agency<span class="_ _9"></span> <span class="_ _10"></span>in <span class="_ _10"></span>the <span class="_ _c"></span>field <span class="_ _10"></span>of </div><div class="t m0 x22 h26 y82 ff1 fs9 fc0 sc0 ls0 ws0">telecom<span class="lsb">mu<span class="ls5">ni<span class="lsa">ca</span></span></span>tions<span class="_ _9"></span>, <span class="_"> </span>information <span class="_"> </span>and <span class="_"> </span>communication <span class="_"> </span>technologies <span class="_ _5"> </span>(ICT<span class="_ _9"></span>s). <span class="_"> </span>The <span class="_"> </span>ITU <span class="_"> </span>Telecommunication </div><div class="t m0 x22 h26 y83 ff1 fs9 fc0 sc0 ls0 ws0">Standardization <span class="_ _c"></span>Sector <span class="_ _c"></span>(ITU<span class="_ _9"></span>-T) <span class="_ _c"></span>is <span class="_ _c"></span>a <span class="_ _c"></span>pe<span class="_ _9"></span>rmanent <span class="_ _c"></span>organ <span class="_ _b"></span>of <span class="_ _c"></span>ITU. <span class="_ _c"></span>ITU<span class="_ _9"></span>-T <span class="_ _c"></span>is <span class="_ _b"></span>responsible <span class="_ _c"></span>for <span class="_ _c"></span>studyi<span class="_ _9"></span>ng <span class="_ _c"></span>technical, </div><div class="t m0 x22 h26 y84 ff1 fs9 fc0 sc0 ls0 ws0">operating <span class="_ _13"> </span>and <span class="_ _13"> </span>tariff <span class="_ _13"> </span>questions <span class="_ _13"> </span>and <span class="_ _14"> </span>issuing <span class="_ _13"> </span>Recommendations <span class="_ _14"> </span>on <span class="_ _13"> </span>them <span class="_ _13"> </span>with <span class="_ _13"> </span>a <span class="_ _14"> </span>view <span class="_ _13"> </span>to <span class="_ _13"> </span>standardizing </div><div class="t m0 x22 h26 y85 ff1 fs9 fc0 sc0 ls0 ws0">telecommunications on a worldwide basis.<span class="_ _9"></span> </div><div class="t m0 x22 h26 y86 ff1 fs9 fc0 sc0 ls0 ws0">The <span class="_ _d"></span>World Telecommunication <span class="_ _d"></span>Standardization <span class="_ _6"></span>Assembly <span class="_ _d"></span>(WTSA), which <span class="_ _d"></span>meets <span class="_ _d"></span>every four <span class="_ _e"></span>years, establishes </div><div class="t m0 x22 h26 y87 ff1 fs9 fc0 sc0 ls0 ws0">the topics for study by the ITU-T stu<span class="_ _9"></span>dy groups which, in turn, produce Reco<span class="_ _9"></span>mmendations on these topics.<span class="_ _9"></span> </div><div class="t m0 x22 h26 y88 ff1 fs9 fc0 sc0 ls0 ws0">The approval of ITU-T Recommendatio<span class="_ _9"></span>ns is covered by the procedure laid d<span class="_ _9"></span>own in WTSA Resolution<span class="_ _9"></span> <span class="ls5">1.</span> </div><div class="t m0 x22 h26 y89 ff1 fs9 fc0 sc0 ls0 ws0">In <span class="_ _4"></span>som<span class="_ _6"></span>e <span class="_ _4"></span>areas <span class="_ _b"></span>of <span class="_ _4"> </span>information <span class="_ _b"></span>technol<span class="_ _9"></span>ogy <span class="_ _4"></span>which <span class="_ _b"></span>fall <span class="_ _4"></span>within <span class="_ _b"></span>ITU<span class="_ _9"></span>-T's <span class="_ _4"> </span>purview, <span class="_ _15"></span>the <span class="_ _15"></span>necessary <span class="_ _15"> </span>standards <span class="_ _15"> </span>are </div><div class="t m0 x22 h26 y8a ff1 fs9 fc0 sc0 ls0 ws0">prepared on a collaborative basis with ISO and<span class="_ _9"></span> IEC. </div><div class="t m0 x1 h26 y8b ff1 fs9 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h26 y8c ff1 fs9 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h26 y8d ff1 fs9 fc0 sc0 ls0 ws0"> </div><div class="t m0 x24 h26 y8e ff1 fs9 fc0 sc0 ls0 ws0">NOTE </div><div class="t m0 x22 h26 y8f ff1 fs9 fc0 sc0 ls0 ws0">In <span class="_ _14"> </span>this <span class="_ _16"> </span>Recommendation, <span class="_ _16"> </span>the <span class="_ _14"> </span>expression <span class="_ _14"> </span>"Administration" <span class="_ _16"> </span>is <span class="_ _14"> </span>used <span class="_ _16"> </span>for <span class="_ _14"> </span>conciseness <span class="_ _16"> </span>to<span class="_ _9"></span> <span class="_ _16"> </span>indicate <span class="_ _14"> </span>both <span class="_ _16"> </span>a </div><div class="t m0 x22 h26 y90 ff1 fs9 fc0 sc0 ls0 ws0">telecommunication administration and a recognized operatin<span class="_ _9"></span>g agency<span class="_ _9"></span>. </div><div class="t m0 x22 h26 y91 ff1 fs9 fc0 sc0 ls0 ws0">Compliance <span class="_ _15"></span>with <span class="_ _b"></span>th<span class="_ _9"></span>is <span class="_ _b"></span>Reco<span class="_ _9"></span>mmendation <span class="_ _15"></span>is <span class="_ _b"></span>vo<span class="_ _9"></span>luntary. <span class="_ _b"></span>However, <span class="_ _15"> </span>the <span class="_ _15"> </span>Recommendation <span class="_ _15"> </span>may <span class="_ _15"> </span>contain <span class="_ _15"> </span>certain </div><div class="t m0 x22 h26 y92 ff1 fs9 fc0 sc0 ls0 ws0">mandatory <span class="_ _3"> </span>provisions <span class="_ _3"> </span>(to <span class="_ _3"> </span>ensure, <span class="_ _2"> </span>e.g., <span class="_ _3"> </span>interoperability <span class="_ _3"> </span>or <span class="_ _3"> </span>applicability) <span class="_ _2"> </span>and <span class="_ _3"> </span>compliance <span class="_ _3"> </span>with <span class="_ _3"> </span>the </div><div class="t m0 x22 h26 y93 ff1 fs9 fc0 sc0 ls0 ws0">Recommendation <span class="_ _6"></span>is <span class="_ _d"></span>achieved <span class="_ _6"></span>when <span class="_ _d"></span>all <span class="_ _6"></span>of <span class="_ _d"></span>these m<span class="_ _6"></span>andatory <span class="_ _d"></span>prov<span class="_ _9"></span>isions <span class="_ _d"></span>are m<span class="_ _6"></span>et. <span class="_ _d"></span>The words <span class="_ _e"></span>"sh<span class="_ _9"></span>all" <span class="_ _d"></span>or som<span class="_ _6"></span>e <span class="_ _d"></span>other </div><div class="t m0 x22 h26 y94 ff1 fs9 fc0 sc0 ls0 ws0">obligatory language such as "must" <span class="_ _9"></span>and the negative equivalents a<span class="_ _9"></span>re used <span class="_ _9"></span>to express requirements. Th<span class="_ _9"></span>e use of </div><div class="t m0 x22 h26 y95 ff1 fs9 fc0 sc0 ls0 ws0">such words does not suggest that compliance with the Reco<span class="_ _9"></span>mmendation is required of any party.<span class="_ _9"></span> </div><div class="t m0 x1 h26 y96 ff1 fs9 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h26 y97 ff1 fs9 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h26 y98 ff1 fs9 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h26 y99 ff1 fs9 fc0 sc0 ls0 ws0"> </div><div class="t m0 x14 h26 y9a ff1 fs9 fc0 sc0 ls0 ws0">INTELLECTUAL PROPERTY RIGHT<span class="_ _9"></span>S<span class="ff9"> </span></div><div class="t m0 x22 h26 y9b ff1 fs9 fc0 sc0 ls0 ws0">ITU <span class="_ _d"></span>draws <span class="_ _d"></span>attention <span class="_ _6"></span>to <span class="_ _d"></span>the <span class="_ _d"></span>possibility <span class="_ _d"></span>that <span class="_ _d"></span>the <span class="_ _d"></span>practice<span class="_ _9"></span> <span class="_ _d"></span>or <span class="_ _d"></span>implementation <span class="_ _d"></span>of<span class="_ _9"></span> <span class="_ _d"></span>this <span class="_ _d"></span>Recommenda<span class="_ _9"></span>ti<span class="_ _9"></span>on <span class="_ _d"></span>may <span class="_ _d"></span>involve </div><div class="t m0 x22 h26 y9c ff1 fs9 fc0 sc0 ls0 ws0">the <span class="_ _10"></span>use <span class="_ _10"></span>of <span class="_ _10"></span>a <span class="_ _10"></span>claim<span class="_ _6"></span>ed <span class="_ _10"></span>Intellectual <span class="_ _10"></span>Property <span class="_ _10"></span>Right. <span class="_ _10"></span>ITU <span class="_ _10"></span>takes <span class="_ _17"></span>no <span class="_ _17"></span>po<span class="_ _9"></span>sition <span class="_ _17"></span>concerning <span class="_ _10"></span>the <span class="_ _10"></span>evidence, <span class="_ _10"></span>validity <span class="_ _17"></span>or<span class="_ _9"></span> </div><div class="t m0 x22 h26 y9d ff1 fs9 fc0 sc0 ls0 ws0">applicability <span class="_ _17"></span>of <span class="_ _17"></span>claimed <span class="_ _17"></span>Intellectual <span class="_ _17"></span>Property<span class="_ _9"></span> <span class="_ _17"></span>Rights, <span class="_ _17"></span>whether <span class="_ _17"></span>asserted <span class="_ _17"></span>by <span class="_ _17"></span>ITU <span class="_ _10"></span>members <span class="_ _17"></span>or <span class="_ _17"></span>others <span class="_ _17"></span>outside <span class="_ _17"></span>of </div><div class="t m0 x22 h26 y9e ff1 fs9 fc0 sc0 ls0 ws0">the Recommendation develop<span class="_ _9"></span>ment process. </div><div class="t m0 x22 h26 y9f ff1 fs9 fc0 sc0 ls0 ws0">As <span class="_ _d"></span>of the <span class="_ _d"></span>date of <span class="_ _d"></span>approval of <span class="_ _d"></span>this <span class="_ _d"></span>Reco<span class="_ _9"></span>mmendation, <span class="_ _6"></span>ITU <span class="_ _d"></span>had received <span class="_ _d"></span>notice of <span class="_ _d"></span>intellectual property, <span class="_ _d"></span>protected </div><div class="t m0 x22 h26 ya0 ff1 fs9 fc0 sc0 ls0 ws0">by patents, <span class="_ _6"></span>which m<span class="_ _6"></span>ay be <span class="_ _6"></span>required to <span class="_ _d"></span>implement this Recommendation. However, <span class="_ _d"></span>implementers are cautioned </div><div class="t m0 x22 h26 ya1 ff1 fs9 fc0 sc0 ls0 ws0">that <span class="_ _17"></span>this <span class="_ _17"></span>may <span class="_ _17"></span>not <span class="_ _17"></span>repre<span class="_ _9"></span>sent <span class="_ _17"></span>the <span class="_ _17"></span>latest <span class="_ _17"></span>information <span class="_ _17"></span>and <span class="_ _17"></span>are <span class="_ _17"></span>therefore <span class="_ _10"></span>strongly <span class="_ _17"></span>urged <span class="_ _17"></span>to <span class="_ _17"></span>consult <span class="_ _17"></span>the <span class="_ _17"></span>TSB <span class="_ _10"></span>patent </div><div class="t m0 x22 h26 ya2 ff1 fs9 fc0 sc0 ls0 ws0">database at <span class="fc3">http://www.itu.int/ITU<span class="_ _9"></span>-T/ipr/</span>. </div><div class="t m0 x1 h26 ya3 ff1 fs9 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h26 ya4 ff1 fs9 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h26 ya5 ff1 fs9 fc0 sc0 ls0 ws0"> </div><div class="t m0 x25 h26 ya6 ff9 fs9 fc0 sc0 ls0 ws0">©<span class="ff1"> <span class="ls4">ITU</span> <span class="ls5">2020</span> </span></div><div class="t m0 x22 h26 ya7 ff1 fs9 fc0 sc0 ls0 ws0">All <span class="_ _d"></span>rights reserved. <span class="_ _d"></span>No <span class="_ _d"></span>part of <span class="_ _d"></span>this <span class="_ _d"></span>publication may <span class="_ _d"></span>be reproduced, <span class="_ _d"></span>by <span class="_ _d"></span>any<span class="_ _9"></span> <span class="_ _d"></span>means whatsoever, <span class="_ _d"></span>without <span class="_ _6"></span>the <span class="_ _d"></span>prior </div><div class="t m0 x22 h26 ya8 ff1 fs9 fc0 sc0 ls0 ws0">written permission of ITU.<span class="_ _9"></span> </div></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.611677,0.000000,0.000000,1.611677,0.000000,0.000000]}'></div></div>

<div id="pf5" class="pf w0 h2b" data-page-no="5"><div class="pc pc5 w0 h2b"><img class="bi x0 y0 w1 h2c" alt="" src="https://static.pudn.com/prod/directory_preview_static/62500b2574bc5c010559c2a4/bg5.jpg"><div class="c x0 y1 w2 h2b"><div class="t m0 x1 h16 ya9 ff1 fs5 fc0 sc0 ls0 ws0"> </div><div class="t m0 x22 h1f y7f ff2 fs9 fc0 sc0 ls0 ws0"> <span class="_ _7"> </span> <span class="_ _8"> </span>Rec. ITU-T G.984.3<span class="_ _9"></span> (2014)/Amd.1 (03/2020) <span class="_ _18"> </span><span class="ff1 ls9">iii<span class="ls0"> </span></span></div><div class="t m0 x6 h23 yaa ff2 fs1 fc0 sc0 ls0 ws0">Table of Contents </div><div class="t m0 x22 h23 yab ff2 fs1 fc0 sc0 ls0 ws0"> <span class="_ _19"> </span>Page </div><div class="t m0 x22 h4 yac ff1 fs1 fc0 sc0 ls0 ws0">1<span class="ffa fs9"> <span class="_ _1a"> </span></span>Scope ............................................................................................................................ <span class="_ _1b"></span> <span class="_ _1c"> </span>1<span class="ffa fs9"> </span></div><div class="t m0 x22 h4 yad ff1 fs1 fc0 sc0 ls0 ws0">2<span class="ffa fs9"> <span class="_ _1a"> </span></span>References..................................................................................................................... <span class="_ _1b"></span> <span class="_ _1c"> </span>1<span class="ffa fs9"> </span></div><div class="t m0 x22 h4 yae ff1 fs1 fc0 sc0 ls0 ws0">3<span class="ffa fs9"> <span class="_ _1a"> </span></span>Definitions <span class="_ _e"></span>.................................................................................................................... <span class="_ _1b"></span> <span class="_ _1c"> </span>2<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yaf ff1 fs1 fc0 sc0 ls0 ws0">3.1<span class="ffa fs9"> <span class="_ _1d"> </span></span>Terms defined elsewhere <span class="_ _1b"></span>................................................................................ <span class="_ _1b"></span> <span class="_ _1c"> </span>2<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yb0 ff1 fs1 fc0 sc0 ls0 ws0">3.2<span class="ffa fs9"> <span class="_ _1d"> </span></span>Terms defined in this Recommendation <span class="_ _1e"></span>......................................................... <span class="_ _1b"></span> <span class="_ _1c"> </span>2<span class="ffa fs9"> </span></div><div class="t m0 x22 h4 yb1 ff1 fs1 fc0 sc0 ls0 ws0">4<span class="ffa fs9"> <span class="_ _1a"> </span></span>Abbreviations and acronyms <span class="_ _e"></span>........................................................................................ <span class="_ _1b"></span> <span class="_ _1c"> </span>4<span class="ffa fs9"> </span></div><div class="t m0 x22 h4 yb2 ff1 fs1 fc0 sc0 ls0 ws0">5<span class="ffa fs9"> <span class="_ _1a"> </span></span>Conventions and terminology <span class="_ _1e"></span>....................................................................................... <span class="_ _1b"></span> <span class="_ _1c"> </span>8<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yb3 ff1 fs1 fc0 sc0 ls0 ws0">5.1<span class="ffa fs9"> <span class="_ _1d"> </span></span>ONT and ONU ............................................................................................... <span class="_ _1e"></span> <span class="_ _1c"> </span>9<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yb4 ff1 fs1 fc0 sc0 ls0 ws0">5.2<span class="ffa fs9"> <span class="_ _1d"> </span></span>Data encapsulation method and deprecation of ATM transport <span class="_ _1f"></span>..................... <span class="_ _1b"></span> <span class="_ _1c"> </span>9<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yb5 ff1 fs1 fc0 sc0 ls0 ws0">5.3<span class="ffa fs9"> <span class="_ _1d"> </span></span>Traffic monitoring versus non-status-reporting <span class="_ _20"></span>.............................................. <span class="_ _1b"></span> <span class="_ _1c"> </span>9<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yb6 ff1 fs1 fc0 sc0 ls0 ws0">5.4<span class="ffa fs9"> <span class="_ _1d"> </span></span>Bandwidth assignment versus bandwidth allocation <span class="_ _1f"></span>...................................... <span class="_ _1b"></span> <span class="_ _1c"> </span>9<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yb7 ff1 fs1 fc0 sc0 ls0 ws0">5.5<span class="ffa fs9"> <span class="_ _1d"> </span></span>G-PON time division multiplexing architecture <span class="_ _20"></span>............................................. <span class="_ _1b"></span> <span class="_ _21"> </span>10<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yb8 ff1 fs1 fc0 sc0 ls0 ws0">5.6<span class="ffa fs9"> <span class="_ _1d"> </span></span>Disambiguation of the concept of frame <span class="_ _e"></span>........................................................ <span class="_ _1b"></span> <span class="_ _21"> </span>12<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yb9 ff1 fs1 fc0 sc0 ls0 ws0">5.7<span class="ffa fs9"> <span class="_ _1d"> </span></span>Concepts associated with upstream physical layer overhead <span class="_ _22"></span>......................... <span class="_ _1b"></span> <span class="_ _21"> </span>13<span class="ffa fs9"> </span></div><div class="t m0 x22 h4 yba ff1 fs1 fc0 sc0 ls0 ws0">6<span class="ffa fs9"> <span class="_ _1a"> </span></span>G-PON system architecture <span class="_ _22"></span>.......................................................................................... <span class="_ _1b"></span> <span class="_ _21"> </span>13<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 ybb ff1 fs1 fc0 sc0 ls0 ws0">6.1<span class="ffa fs9"> <span class="_ _1d"> </span></span>Network architecture and reference configuration <span class="_ _22"></span>......................................... <span class="_ _1b"></span> <span class="_ _21"> </span>13<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 ybc ff1 fs1 fc0 sc0 ls0 ws0">6.2<span class="ffa fs9"> <span class="_ _1d"> </span></span>Parameters of the GTC layer <span class="_ _23"></span>.......................................................................... <span class="_ _1b"></span> <span class="_ _21"> </span>13<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 ybd ff1 fs1 fc0 sc0 ls0 ws0">6.3<span class="ffa fs9"> <span class="_ _1d"> </span></span>Functional blocks <span class="_ _20"></span>............................................................................................ <span class="_ _1b"></span> <span class="_ _21"> </span>14<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 ybe ff1 fs1 fc0 sc0 ls0 ws0">6.4<span class="ffa fs9"> <span class="_ _1d"> </span></span>Interoperability between G-PON and B-PON <span class="_ _1b"></span>................................................ <span class="_ _1b"></span> <span class="_ _21"> </span>15<span class="ffa fs9"> </span></div><div class="t m0 x22 h4 ybf ff1 fs1 fc0 sc0 ls0 ws0">7<span class="ffa fs9"> <span class="_ _1a"> </span></span>G-PON transmission convergence layer overview <span class="_ _1f"></span>....................................................... <span class="_ _1b"></span> <span class="_ _21"> </span>15<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yc0 ff1 fs1 fc0 sc0 ls0 ws0">7.1<span class="ffa fs9"> <span class="_ _1d"> </span></span>GTC protocol stack <span class="_ _20"></span>......................................................................................... <span class="_ _1b"></span> <span class="_ _21"> </span>15<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yc1 ff1 fs1 fc0 sc0 ls0 ws0">7.2<span class="ffa fs9"> <span class="_ _1d"> </span></span>GTC key functions <span class="_ _6"></span>......................................................................................... <span class="_ _1b"></span> <span class="_ _21"> </span>18<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yc2 ff1 fs1 fc0 sc0 ls0 ws0">7.3<span class="ffa fs9"> <span class="_ _1d"> </span></span>Functions of Sublayers in GTC <span class="_ _23"></span>...................................................................... <span class="_ _1b"></span> <span class="_ _21"> </span>19<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yc3 ff1 fs1 fc0 sc0 ls0 ws0">7.4<span class="ffa fs9"> <span class="_ _1d"> </span></span>Dynamic bandwidth assignment <span class="_ _20"></span>..................................................................... <span class="_ _1b"></span> <span class="_ _21"> </span>20<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yc4 ff1 fs1 fc0 sc0 ls0 ws0">7.5<span class="ffa fs9"> <span class="_ _1d"> </span></span>Resource allocation and quality of service (QoS) <span class="_ _23"></span>.......................................... <span class="_ _1b"></span> <span class="_ _21"> </span>28<span class="ffa fs9"> </span></div><div class="t m0 x22 h4 yc5 ff1 fs1 fc0 sc0 ls0 ws0">8<span class="ffa fs9"> <span class="_ _1a"> </span></span>GTC layer framing <span class="_ _20"></span>........................................................................................................ <span class="_ _1b"></span> <span class="_ _21"> </span>29<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yc6 ff1 fs1 fc0 sc0 ls0 ws0">8.1<span class="ffa fs9"> <span class="_ _1d"> </span></span>Downstream GTC frame structure <span class="_ _d"></span>................................................................. <span class="_ _1b"></span> <span class="_ _21"> </span>29<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yc7 ff1 fs1 fc0 sc0 ls0 ws0">8.2<span class="ffa fs9"> <span class="_ _1d"> </span></span>Upstream burst structure <span class="_ _20"></span>................................................................................. <span class="_ _1b"></span> <span class="_ _21"> </span>35<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yc8 ff1 fs1 fc0 sc0 ls0 ws0">8.3<span class="ffa fs9"> <span class="_ _1d"> </span></span>Mapping of GEM frames into GTC payload <span class="_ _1f"></span>.................................................. <span class="_ _1b"></span> <span class="_ _21"> </span>38<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yc9 ff1 fs1 fc0 sc0 ls0 ws0">8.4<span class="ffa fs9"> <span class="_ _1d"> </span></span>Status reporting DBA signalling and configuration <span class="_ _23"></span>....................................... <span class="_ _1b"></span> <span class="_ _21"> </span>41<span class="ffa fs9"> </span></div><div class="t m0 x22 h4 yca ff1 fs1 fc0 sc0 ls0 ws0">9<span class="ffa fs9"> <span class="_ _1a"> </span></span>GTC messages <span class="_ _23"></span>.............................................................................................................. <span class="_ _1b"></span> <span class="_ _21"> </span>45<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 ycb ff1 fs1 fc0 sc0 ls0 ws0">9.1<span class="ffa fs9"> <span class="_ _1d"> </span></span>PLOAM message format <span class="_ _1b"></span>................................................................................ <span class="_ _1b"></span> <span class="_ _21"> </span>45<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 ycc ff1 fs1 fc0 sc0 ls0 ws0">9.2<span class="ffa fs9"> <span class="_ _1d"> </span></span>Control messages <span class="_ _1e"></span>............................................................................................ <span class="_ _1b"></span> <span class="_ _21"> </span>46<span class="ffa fs9"> </span></div><div class="t m0 x22 h4 ycd ff1 fs1 fc0 sc0 ls0 ws0">10<span class="ffa fs9"> <span class="_ _24"> </span></span>Activation method <span class="_ _d"></span>........................................................................................................ <span class="_ _1b"></span> <span class="_ _21"> </span>64<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 yce ff1 fs1 fc0 sc0 ls0 ws0">10.1<span class="ffa fs9"> <span class="_ _25"> </span></span>Overview <span class="_ _d"></span>........................................................................................................ <span class="_ _1b"></span> <span class="_ _21"> </span>64<span class="ffa fs9"> </span></div><div class="t m0 x26 h4 ycf ff1 fs1 fc0 sc0 ls0 ws0">10.2<span class="ffa fs9"> <span class="_ _25"> </span></span>Activation mechanism at the <span class="ls3">ONU</span> <span class="_ _20"></span>................................................................. <span class="_ _1b"></span> <span class="_ _21"> </span>65<span class="ffa fs9"> </span></div></div></div><div class="pi" data-data='{"ctm":[1.611677,0.000000,0.000000,1.611677,0.000000,0.000000]}'></div></div>