Right. But MOST is, which is what matters for the trend. Existing asymmetric PONs is unlikely to be replaced for the next 20 years.
-mel via cell > On Jun 11, 2022, at 11:11 AM, Chris Hills <c...@chaz6.com> wrote: > > On 10/06/2022 00:31, Mel Beckman wrote: >> Your point on asymmetrical technologies is excellent. But you may not be >> aware that residential optical fiber is also asymmetrical. For example, >> GPON, the latest ITU specified PON standard, and the most widely deployed, >> calls for a 2.4 Gbps downstream and a 1.25 Gbps upstream optical line rate. > > Not all residential fiber is asymmetric. Nokia XGS-PON supports 9.953 Tx/Rx > (e.g. LTF7226 transceiver). >
