![]() ![]() This is called a "home run" arrangement in CATV jargon, but a less industry-specific term would be "star configuration". The best way to do this would be a single n-way splitter connected to the CABLE IN jack of th first MoCA modem, and a separate cable run to each of the n other rooms. ![]() the top two of the three on the diagram) the cable from the "In" jack on the first MoCA modem will have to go through one or more splitters, just as it would if it went to multiple TVs. If you have more than two rooms (counting the one where the cable comes in, and the first one "downstream". You connect all of the MoCA boxes' "IN" coax jacks to your INside cable wiring. In my diagram, it's via the "cable out" jacks that cable TV channels coming from the cable TV OUTside plant (shown in the upper left corner) are getting to the "TV set or cable box" (shown in the third room). In other words all of the "out" jacks on the MoCA modems are, in effect, connected together (as if they were all "out" jacks on a cable TV splitter), and they are how your cable company's signal gets through the system to the TVs and so on in your house. (Well, there is a little, but we have to block it, as I'll describe.) "cable out" means "outside cable signal", not necessarily "signal generated by this box." In the case of the box in the first room shown here it is very definitely not "signal output from this box". This connection is necessary if you want your indoor cable system to carry cable TV signals, as it presumably does now.įor all others, "cable out" means "this jack provides signal that originally came from the OUTside cable." i.e. where your cable comes in, "cable out" means "this jack receives cable company's signal from the OUTside cable". For the modem that is near your cable modem, i.e. The weird thing about MoCA modems is the terminology on the cable jacks. They hook up the exact same way as the NIM100's. UPDATE: Since writing this I've upgraded to Actiontec "Bonded MoCA 2.0 Network Adapters", which give 1 Gbps throughput. (I hope this avoids unwanted attention from the "product recommendation" police.) But from what I could tell from a quick look at a couple of other manufacturers' installation guides, they all get hooked up the same way. this is not a product recommendation, just a qualification that this diagram may be specific to the Motorola Network Interface Module model 100. ![]() I left the model number there because this is the only modem model I've actually used, and this diagram might not work for other types. "NIM100" is the model of the Motorola modems I happen to be using. (Please forgive the crudity of this model I didn't have time to build it to scale or to paint it.)īlack lines are cable TV cable (preferably RG6), orange lines are Ethernet. The diagram here is a slightly-more-elaborate version of the one I made for myself when I did my setup. All MoCA hardware regardless of manufacturer should be interoperable. Other manufacturers I know of are Actiontec and Netgear. I found them used on eBay for around $40 each. Using a separate router and wireless access point will also work. it needs to have Ethernet jacks for the inside network. You will want a wireless router that also does routing to wired stations. The cable companies' outside plants don't generally carry these but most people's inside wiring can. MoCA actually uses a technology similar to cable internet, but in a much higher range of frequencies. It doesn't interfere with cable TV either. Other MoCA modems can be installed wherever the cable TV line is. One MoCA modem will hook up at the place where the cable modem and your router are. Generally you would have only one cable modem installed, unless you have two accounts with your cable ISP (it's generally one cable modem per account). What you plug into the MoCA modem can be an Ethernet switch or a wireless access point, so you can have a bunch of stuff using one modem. This modem handles the "bridging" between Ethernet and the MoCA signal. You need a MoCA modem (also called a MoCA adapter) for each place where there's a coax cable and you want to plug in an Ethernet cable. Running Cat-something would have made me happier, but was not practical to do. I am using MoCA very successfully in my home. ![]()
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