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Forum Discussion
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Can an Orbi RBS 50 router be used with an ARIS CM820A modem?
yes an RBR40 would connect. It'd use the slower 866mpbs backhaul but it'd still function and work fine.
8 Replies
RBS50 is the satellite, not the router.
If you're meaning the RBR50, then yes it can. The CM820a is a modem only device so the orbi should connect to it.
(not that the cm820a is that great of a modem)
Thanks, let me back up. I just moved and went from a Comcast provider to a local internet service that is requiring me to use their Arris modem. I want to know if I can use any part of my existing Orbi system which includes a CBR40 modem/router and 2 RBS50 satellites. I cant figure out how to connect (if its even possible) the Arris modem to the Orbi router/satelites. Hope that makes more sense. Thanks
The CBR40 is an Orbi that includes a built-in DOCSIS 3.0 cable modem.
The Arris CM820A is also a DOCSIS 3.0 cable modem.
Ordinarily, one would think that the CBR40 could connect to the coax cable in place of the Arris. Cable systems have different practices and yours may not be able to manage other brands of cable modem.
So, the short answer is, "if they will not allow customers to use any other cable modem, then you are screwed."
I should point out that there was a post just recently concerning this issue, only the topic was switching to fiber (which of course has no coax connection). The poster swore that connecting one of the Orbi LAN ports to the ONT (similar to the Arris in function) and "it worked". The ring light remained magenta because of the lack of signal on the cable port. He may also have had the Orbi in Access Point (AP) mode.
