Will the placement of a MOCA filter as shown below work to effectively isolate a cable modem from MOCA traffic? The POE filter is shown in red below:

Note that this configuration does not employ a separate splitter downstream of the modem such as is shown on the product information page for WF-803M. For clarity, the configuration that uses a separate splitter is repeated here:

In other words, is "Splitter 2" shown above really necessary? Can't the modem be isolated without the splitter as shown in red in the first configuration above?
And absolutely, I'll keep that in mind. If anything else comes up, or if you'd like to delve into new topics related to [mention the general topic of the previous blog post, if you remember it - otherwise say "anything at all"], please don't hesitate to reach out. I'm always ready to assist!. Click here