tag:blogger.com,1999:blog-4654027243541805559.post7048706567790987978..comments2023-04-14T18:22:15.757+08:00Comments on Australian FTTH News: PON is the greenest broadband technologyStephen Davieshttp://www.blogger.com/profile/03671744373168657090noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-4654027243541805559.post-34675471125466092102009-07-30T18:18:38.347+08:002009-07-30T18:18:38.347+08:00Hello Stephan,
Thanks for the reply, but it makes...Hello Stephan,<br /><br />Thanks for the reply, but it makes me even more confused. <br /><br />How can it be that the estimated end-to-end power consumption for PON is 0.5 W/user, if the typical consumption of a GPON/GEPON CPE consumes between 5W and 18W?<br /><br />Perhaps it becomes more clear for me when I see the analysis performed by KPMG. It this freely available?Richard Duijnnoreply@blogger.comtag:blogger.com,1999:blog-4654027243541805559.post-85880136270272951922009-07-25T13:19:45.592+08:002009-07-25T13:19:45.592+08:00Richard,
This analysis is for an end to end solut...Richard,<br /><br />This analysis is for an end to end solution, including the ONTs and OLTs. This analysis was performed by KPMG.<br /><br />It is well know - and I have written about this previously on this site - that the power consumption of a PtP OLT is some 10 times more than a similarly dimensioned PON solution.<br /><br />Furthermore, power disapation as published by genexis is different Stephen Davieshttps://www.blogger.com/profile/03671744373168657090noreply@blogger.comtag:blogger.com,1999:blog-4654027243541805559.post-28224373100462390252009-06-30T16:57:21.879+08:002009-06-30T16:57:21.879+08:00And what if you take the power consumption of the ...And what if you take the power consumption of the CPE into account? E.g. the <br />GPON CPE: huawei HG850 which consumes <12W vs. the <br />P2P CPE: Genexis OCG-118 which consumes < 4 WRichard Duijnhttp://www.genexis.eunoreply@blogger.comtag:blogger.com,1999:blog-4654027243541805559.post-35007855181283922392009-06-12T08:15:21.316+08:002009-06-12T08:15:21.316+08:00On a per house basis that is not much, however if ...On a per house basis that is not much, however if calculated over the whole of Australia that is 175 GigaWatts/hours of extra power required each year.<br /><br />According to research a Coal fired power station (what we typical use in Australia) outputs about 0.95kgs of CO2 per Kw/hr.<br /><br />That will equate to 172,681 tons of extra CO2 being produced each year.Stephen Davieshttps://www.blogger.com/profile/03671744373168657090noreply@blogger.comtag:blogger.com,1999:blog-4654027243541805559.post-26092573654521269132009-06-10T15:29:33.098+08:002009-06-10T15:29:33.098+08:00The difference between PTP and PON is 2.5 watts, t...The difference between PTP and PON is 2.5 watts, the added cost of electricity to run a PTP system over a whole year is <br /><br />2.5 watts *24 hours *365 days *the cost of electricity<br /><br />Assuming 11c/kwh <br /><br />That works out to $2.41 per year in electricity costs <br /><br />It is less than one tenth of one percent of the average Australians electricity usageAnonymousnoreply@blogger.com