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SC/APC SFP to bypass provider ONT (self.homelab)

submitted 7 months ago by peregus to c/homelab

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My Internet provider just installed me a 2,5Gbps fiber connection. It arrives with a single fiber connected to a GPON ONT (ZTE ZXHN F6005) connected with an RJ45 cable to the 2,5Gbps port of a 5530 Fritz!Box router. I'd like to bypass both the router and the ONT, do you think that it's possible? For the router my provider says that it's possible and it provided me the connection parameters, but for the ONT I've no idea. I would need a singe fiber SC/APC 2,5Gbps SFP+ adapter that I cant seem to find. Can anybody help me? 'm based in Europe.

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[–] [email protected] 1 points 7 months ago (1 children)

That ONT is going to be a managed network endpoint. Their head-end system talks to it and sets up the configuration for the optical pathway. It is essential that it is not removed. If you replace it with something else then you will not get service.

I believe that you should be able to replace anything else downstream from the ONT. So that router can be replaced with whatever can handle the traffic flow. If it were my setup then I would replace it with my pfsense firewall box.

By the way, is this the kind of fiber cable you were thinking of? https://a.co/d/iJ0guG1

[–] peregus 1 points 7 months ago (3 children)

I've read on some forum that it could be possible to clone the serial number or that ONT into another and everything should work. That's the fiver that I've got, but the thing that I can't find is the ONT/SFP adapter to replace the one the provider gave me.

[–] [email protected] 1 points 7 months ago

I don't know. Some online forums are kind of sus, if you know what I mean. ;-) Usually, the ONT and the OLT are made by the same manufacturer ie: Alcatel Lucent. That means they are a matched pair because they speak their own digital dialect. Therefore, if you change the ONT then you are not guaranteed that they will understand each other.

In other words, I don’t recommend it.