ZyXel Prestige 861 Modem - vDSL Lights Flashing/Blinking Green

Max20131

Hi All,

The internet used to work, but now it's just flashing/blinking green. Hence the internet has gone down, and I can't figure where is the problem.

I live in a apartment (23 Floors), and the modem is setup this way:

Telephone Cable => Modem => Ethernet Cable => Router

I changed the telephone cable a few times, and even switched to a different jack that used to work (I moved the modem from the living room to the bedroom 2 years ago).

But it is still flashing/blinking green on the vDSL lights.

Also it seems like nobody had any issues with their Verizon services, could it be a hardware issue that the 5 year old ZyXel Presitage 861 modem has broken down?

Is it possible to switch to another modem, for example, Actiontec GT701D Ethernet DSL Modem?

Thanks all

Accepted answers

Max20131

Well, I thought in the meantime while the network is down (tech is arriving tomorrow), why don't I try to debug the problem myself?

I've tested that the phone line itself works, but I don't know about the jack.

The ONT works too (The Verizon Phone Support said that ONT looks fine), so... It's some physical connection between the basement and my apartment (located 23rd floors high). I've tried all the jacks in my house, which they used to work when I was deciding the best place to put my modem and wireless router).

So it's either the modem, or the physical wiring is broken. So why not try a quick fix?

Anyways, if it's somewhere of the wiring, and also extremely difficult to fix it, I guess I need to find another apartment.

All comments

Anti-Phish1

If the ZyXel is causing problems, you should be able to get VZ to swap it out.

I believe VZ is currently using D-LINK 6300v VDSL modems for MDU installs.

Max20131

Thanks for your reply!

I've researched the D-Link 6300v VDSL Modem on eBay and Amazon but I didn't find the same model number.

Are there any kind of alternatives?

Anti-Phish1

Why do you want to buy a VDSL modem when VZ will replace your existing modem for free?

I strongly do NOT recommend using a third party modem.

If your line is not working, VZ will not provide support if you're not using their modem.

The 6300v is a VZ specific model.

Max20131

Well, I thought in the meantime while the network is down (tech is arriving tomorrow), why don't I try to debug the problem myself?

I've tested that the phone line itself works, but I don't know about the jack.

So it's either the modem, or the physical wiring is broken. So why not try a quick fix?

Anyways, if it's somewhere of the wiring, and also extremely difficult to fix it, I guess I need to find another apartment.

[Deleted User]

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