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Hopefully, SH will use the 1.4 Tbps once and for all for this upgrade as it is quite troublesome to upgrade such backend equipment. I heard that for HDB flat, most of the time the OLT is in our Telecom room at the first floor. There are so many such Telecom rooms in the whole Sg so it will need a lot of manpower and time to upgrade so it will be better to do it once and for all. If use 100 Gbps then one day the issue will be back again.OLTs with 100Gbps uplink and higher are also out there.
One example from Ubiquiti -- 4* SFP28 uplink, up to 100Gbps.
https://sg.store.ui.com/sg/en/collections/uisp-fiber-basestation-xgs-pon/products/uisp-fiber-olt-xgs
Then there are super high ones with up to 1.4Tbps.
https://www.thefastmode.com/technol...fastest-pon-olt-with-1-4-tbps-uplink-capacity
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