1 Jun 2025 |
emily | so hearing the 2500BASE-X is busted is not that reassuring (though I'd already seen murmurings of that on the forum) | 11:26:25 |
emily | it seems like it can work if you force it though | 11:26:34 |
emily | (also wait the thing can take an RTC battery?) | 11:27:15 |
magic_rb | Yes | 11:33:23 |
magic_rb | https://aliexpress.com/item/1005008105706573.html no ides if this is supported right? Think its the same as this one, https://www.ruijie.com/en-global/products/switches/accessories/xg-sfp-lr-sm1310 the pictures say sm1310 | 11:37:14 |
K900 | In reply to @emilazy:matrix.org so hearing the 2500BASE-X is busted is not that reassuring (though I'd already seen murmurings of that on the forum) The problem with 2500BASE-X is that it's not real | 11:42:40 |
K900 | There's like | 11:42:43 |
K900 | Five different vendor specific implementations of it | 11:42:59 |
K900 | And none of them follow the IEEE spec that was written after the fact to standardize SOMETHING | 11:43:27 |
emily | then I guess I'm going to have a lot of fun | 11:43:51 |
emily | I do recall you saying you knew of no reason it shouldn't work though :p | 11:44:02 |
emily | I finally booted NixOS on the thing yesterday so I guess I'll be having NixOS-brand fun soon as well | 11:44:38 |
magic_rb | Are we talking about 2.5g optical or copper? Does it matter | 11:44:57 |
magic_rb | Like, the 2500BASE-X is it a thing between the bpi and the sfp module? | 11:45:14 |
K900 | In reply to @emilazy:matrix.org I do recall you saying you knew of no reason it shouldn't work though :p Yeah it should work in modes that are real | 11:45:19 |
emily | yeah | 11:45:21 |
emily | re magic_rb | 11:45:25 |
K900 | In reply to @magic_rb:matrix.redalder.org Like, the 2500BASE-X is it a thing between the bpi and the sfp module? Yes somewhat | 11:45:27 |
K900 | It's complicated | 11:45:32 |
emily | there are SFP+s that do 2.5GBASE-T into 10000BASE-X | 11:45:37 |
emily | using "pause frames" | 11:45:41 |
emily | in fact that seems more common than ones that do it into 2500BASE-X | 11:45:50 |
emily | since a lot of switches and stuff only support 10G | 11:45:55 |
K900 | Part of the problem is that the PON modem thingies aren't actually like | 11:46:15 |
emily | however I'd quite like 2500BASE-X because it really does seem like heat/power have a significant effect on the WiFi noise | 11:46:20 |
K900 | Transceivers | 11:46:23 |
magic_rb | sigh what did i get myself into | 11:46:24 |
emily | btw I can't imagine why this wouldn't work. you can get cheaper modules for this though | 11:46:40 |
emily | I don't think there's many compatibility issues with fibre modules? | 11:46:45 |
K900 | They emulate a transceiver connected to a non-existent cable | 11:46:53 |