F5F Stay Refreshed Power Users Networks Hey, I've asked this before but I really need some help

Hey, I've asked this before but I really need some help

Hey, I've asked this before but I really need some help

A
alerabbit
Posting Freak
840
03-13-2026, 07:06 AM
#1
I need to check if I can skip the fiber modem box and plug my computer straight into the router using a special PCI card. This card needs to support SPF+, but I'm not sure what exactly that means, so help me out?
A
alerabbit
03-13-2026, 07:06 AM #1

I need to check if I can skip the fiber modem box and plug my computer straight into the router using a special PCI card. This card needs to support SPF+, but I'm not sure what exactly that means, so help me out?

M
MrSarx
Senior Member
375
03-13-2026, 08:04 AM
#2
What do you want me to skip over? Plug my computer straight into that fancy internet line that ends in a little box. But maybe I shouldn't bother. Why would I even try?
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MrSarx
03-13-2026, 08:04 AM #2

What do you want me to skip over? Plug my computer straight into that fancy internet line that ends in a little box. But maybe I shouldn't bother. Why would I even try?

L
Lagoudale
Member
66
03-13-2026, 03:48 PM
#3
You need to explain your question in more detail, but basically it is asking: can I put my PCIE card instead of using a cable modem? I have never heard of this thing before. Maybe there are devices like that, but they must work properly and be supported by the internet service provider for the ISP's network to recognize them. One reason cable modems and ONTs have limited compatible units is because the ISP updates all the software on their own. This keeps everything safe and makes sure every device works with their equipment. Most cable and fiber networks rely on a MAC address that must be registered; if you don't register, anyone can use your line without paying, which would let them tap into it for free. Even though a PCIE card might exist, I doubt the ISP will allow you to use one. On internal cards, all software is loaded by drivers from the operating system, and since you aren't running their own version of that OS, they could easily change or remove that software if needed. This could also let them hack things like your MAC address, which would break their security rules. I think it's more about whether a device actually exists for private fiber networks than about technical questions. If you found one and asked the ISP to use it, are they going to let you do that?
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Lagoudale
03-13-2026, 03:48 PM #3

You need to explain your question in more detail, but basically it is asking: can I put my PCIE card instead of using a cable modem? I have never heard of this thing before. Maybe there are devices like that, but they must work properly and be supported by the internet service provider for the ISP's network to recognize them. One reason cable modems and ONTs have limited compatible units is because the ISP updates all the software on their own. This keeps everything safe and makes sure every device works with their equipment. Most cable and fiber networks rely on a MAC address that must be registered; if you don't register, anyone can use your line without paying, which would let them tap into it for free. Even though a PCIE card might exist, I doubt the ISP will allow you to use one. On internal cards, all software is loaded by drivers from the operating system, and since you aren't running their own version of that OS, they could easily change or remove that software if needed. This could also let them hack things like your MAC address, which would break their security rules. I think it's more about whether a device actually exists for private fiber networks than about technical questions. If you found one and asked the ISP to use it, are they going to let you do that?

D
Dion1248
Junior Member
21
03-13-2026, 11:23 PM
#4
Thanks to the guy named Bill and that Air Force pilot, I just asked around. Turns out I only get Zyxel stuff for my things like ONTs and SFPs. So I can probably buy some Zyxel SPF modules and put them on a PCIe card.
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Dion1248
03-13-2026, 11:23 PM #4

Thanks to the guy named Bill and that Air Force pilot, I just asked around. Turns out I only get Zyxel stuff for my things like ONTs and SFPs. So I can probably buy some Zyxel SPF modules and put them on a PCIe card.

P
Pickkson
Member
174
03-13-2026, 11:59 PM
#5
i discovered a better way, using a long patch cord (20 meters) and a short CAT8 cable. i connected the modem or ONT right next to my computer instead of far away. here is what happened: with different DNS settings, it works much faster than before
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Pickkson
03-13-2026, 11:59 PM #5

i discovered a better way, using a long patch cord (20 meters) and a short CAT8 cable. i connected the modem or ONT right next to my computer instead of far away. here is what happened: with different DNS settings, it works much faster than before

Q
QMBI
Junior Member
27
03-15-2026, 10:16 AM
#6
ONT turns those special light symbols on fiber lines into normal electricity for things like Ethernet and coaxial cable. You absolutely cannot skip this step, no matter how much you want to avoid it. If you don't have an ONT (or whatever device acts as one), the signal won't work at all.
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QMBI
03-15-2026, 10:16 AM #6

ONT turns those special light symbols on fiber lines into normal electricity for things like Ethernet and coaxial cable. You absolutely cannot skip this step, no matter how much you want to avoid it. If you don't have an ONT (or whatever device acts as one), the signal won't work at all.

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MooMoo2011
Senior Member
690
03-15-2026, 10:44 PM
#7
Hello, thank you ISP guy who told me I could use an Zyxel SPF+ module that supports GPON. But apparently my Mikrotik router does not support GPON >? what i did was to bring the ONT closer to my computer using this 20 meters APC patch cord... essentially adding 20 meters to the optical cord and cutting from the electrical wire instead of using this CAT7 orico chinese cable , now i'm using this CAT8 UGREEN , chinese cable : the result is this , on bridge mode of course , now i can open Youtube with nearly 80 percent the speed of light , and listen metallica cheers dutch
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MooMoo2011
03-15-2026, 10:44 PM #7

Hello, thank you ISP guy who told me I could use an Zyxel SPF+ module that supports GPON. But apparently my Mikrotik router does not support GPON >? what i did was to bring the ONT closer to my computer using this 20 meters APC patch cord... essentially adding 20 meters to the optical cord and cutting from the electrical wire instead of using this CAT7 orico chinese cable , now i'm using this CAT8 UGREEN , chinese cable : the result is this , on bridge mode of course , now i can open Youtube with nearly 80 percent the speed of light , and listen metallica cheers dutch

C
CaineBellaris
Member
53
03-16-2026, 12:54 AM
#8
Here is my Mikrotik router, which some people on that forum say does not have GPON support modules. Basically, that's what you get when buying from the USRA. This is where the module goes: I think it needs an SFP+ Plus to support GPON networks too. It also has a fake WAN port on the back! Look, I would be happy if Bill could help. It seems very popular in the Holy Lands, but Netgear, Linksys and Cisco are better. But I can't buy like a 4090 glad if I can contribute cheers dutch
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CaineBellaris
03-16-2026, 12:54 AM #8

Here is my Mikrotik router, which some people on that forum say does not have GPON support modules. Basically, that's what you get when buying from the USRA. This is where the module goes: I think it needs an SFP+ Plus to support GPON networks too. It also has a fake WAN port on the back! Look, I would be happy if Bill could help. It seems very popular in the Holy Lands, but Netgear, Linksys and Cisco are better. But I can't buy like a 4090 glad if I can contribute cheers dutch

O
Oskar2502
Member
138
03-17-2026, 06:23 AM
#9
I wondered if I could actually buy a brand new PC card from Amazon, like an Asus one with "PCIe" on it, that also works for adding SFP Plus sticks. It sounds pretty neat if I just plug in the optical cable straight to the motherboard instead of using any extra gear.
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Oskar2502
03-17-2026, 06:23 AM #9

I wondered if I could actually buy a brand new PC card from Amazon, like an Asus one with "PCIe" on it, that also works for adding SFP Plus sticks. It sounds pretty neat if I just plug in the optical cable straight to the motherboard instead of using any extra gear.

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Neidro
Senior Member
453
03-18-2026, 03:21 AM
#10
Nothing beats running your own CPU, so if you stick the ONT (modem) on Bridge mode and connect to Windows 11, you'll get the best speed. Sure, using long wires slows down data a bit because of signal loss. But it's still worth doing.
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Neidro
03-18-2026, 03:21 AM #10

Nothing beats running your own CPU, so if you stick the ONT (modem) on Bridge mode and connect to Windows 11, you'll get the best speed. Sure, using long wires slows down data a bit because of signal loss. But it's still worth doing.