TP-Link media converter- no internet access

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Huthayfa

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Jun 25, 2012
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Hi everybody.
I have a fiber service in my home with GPON ONT supplied from my ISP.
I want to completely remove my ISP ONT and connect my own router to a media converter instead of the GPON.my ONT is Alcatel lucent brand and the OLT is also alcatel.
the media converter I have is TP-Link MC210CS that support 1310nm tx signal - compatible with my ISP wavelength TX, not sure about RX.
I connected the fiber wire to my media converter port RX, and the Ethernet from the other end to my Mikrotik router and set the correct VLAN settings, but failed to have internet connection.
all the lights in the media converter are solid yellow except the Ethernet one which is blinking indicating transmission.

any idea what may be the problem of the internet ?

thank you very much in advance..


 
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I don't think you can connect a converter made for Ethernet to a GPON system. I am no expert on this but I think it is a completely different protocol.

In any case you need a very special optical unit it must have mulitple color lasers in the same port. Ethernet uses 1 port for receive and 1 port for transmit. GPON transmit on one color and receives on a different color on the same fiber.

Now ethernet can do similar but generally they use separate optics and then combine them with a device that optically combines them.

I suspect you can't accomplish what you want to do unless you buy your own GPON equipment with the correct optics.

...update so after some quick reading the ISP will likely prevent you form putting in your...
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Ralston18

Ralston18

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Oct 11, 2014
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Have you tried swapping cables (fiber and Ethernet) with known working cables?

Do you have the User Guide for the converter?

E.g.:

https://www.tp-link.com/us/download/MC210CS.html

and

https://static.tp-link.com/2018/201803/20180330/7106507859_MC_IG.pdf

Did not note any immediate references to the "yellow" lights.

Key is to find the applicable troubleshooting reference that explains the meaning of the yellow lights versus green for example.

And take a close look at the devices involved via the applicable data sheets.

https://static.tp-link.com/2018/201805/20180507/Media%20Converter%20Datasheet.pdf


 
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Huthayfa

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Jun 25, 2012
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thank you very much Mr. Rakston18,
actually it is the ON green light in all the ports, sorry for describing it as yellow.
what I want make sure of is that green lights means working and transmitting data.
because I have doubts of the compatibility issue, my fiber line wavelength is 1310nm TX side and 1490nm RX side.
and the MC210CS spec mentioned only the 1310nm tx wavelength, so I think this might be the problem. otherwise it will be a config problem for sure ..
is there any way to detect internet type in Mikrotik router?

thanks
 
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Ralston18

Ralston18

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I believe you mean "wavelength" being more applicable than using "internet type".

Just do some research to double check the specs on the Mikrotik router.

Hopefully there is some label on it to help identify the specific model and version.


Confirm that the Mikrotik router is indeed only 1490nm.

 
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bill001g

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Aug 9, 2012
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I don't think you can connect a converter made for Ethernet to a GPON system. I am no expert on this but I think it is a completely different protocol.

In any case you need a very special optical unit it must have mulitple color lasers in the same port. Ethernet uses 1 port for receive and 1 port for transmit. GPON transmit on one color and receives on a different color on the same fiber.

Now ethernet can do similar but generally they use separate optics and then combine them with a device that optically combines them.

I suspect you can't accomplish what you want to do unless you buy your own GPON equipment with the correct optics.

...update so after some quick reading the ISP will likely prevent you form putting in your own equipment even if it is GPON. Like I figured this is not even close to ethernet. It works more like a cable system. The device called a OLT at the ISP end controls the ONT devices to prevent them from transmitting over each other. There is security on this communications so the ISP will only talk to unit configured to work on their system. Ethernet is non shared media so you never worry about these issue.
 
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Huthayfa

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Jun 25, 2012
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thanks to both of you guys.
after directly contacting my ISP, they confirmed that their network is encrypted. and only their equipment can work with their network, hence, most I can do is putting their ONT to bridge mode and connect my own router, I cannot get rid of their ONT by any means.

thanks
 
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