First ... stumbled across this thread doing a search and read it from start to finish. Awesome info! Thanks VOS for sharing so much knowledge.
Now for my question. :-) But let me start with the background:
I just converted/upgraded from multiswitch wiring and the old-style ethernet Whole Home (MRV) to SWiM and WDCCK/DECA. During the install my last HR20-700 was "replaced" with a HR24, so I ended up with 3 HR24s on the SWiM with a WDCCK connected to one of those, providing Whole Home and internet access over coax. I also had coax dropped in a 4th location for future use (thought I might add a HD receiver-only there).
DirecTV didn't want the HR20 back (and never even took it off the account :-( ), so after some pondering I decide to use it in that open location. I hooked it up and after reconfiguring the antenna setup and a few other changes it worked great. Except, of course, it wasn't participating in Whole Home and had no internet access. Called DirecTV and that's when I learned about DECA built-in vs. not built-in. They promptly sent me a white DECA for the HR20 and were supposed to send a band stop filter (BSF) as well. Only the BSF never showed. I called again and got conflicting info this time. Basically I was told the BSF is only needed when the CCK is on that same HR-DVR. Since my CCK was elsewhere, BSF not needed.
Reading this thread I see some mentions of the BSF:
Yes, any H/HR2x model receivers that don't have DECA built into them need to have a BSF in place if they are on a SWM system where DECA is being used and they don't have their own DECA.
... BSF are needed with DECA since each one outputs about 0 dBm and this causes problems with tuners and the SWiM.
So now I'm leaning to the conclusion that a BSF is needed in my setup. But I'm not sure. :-( So my question is, do I need a BSF on the HR20-700, along with the DECA?
Also, I haven't connected the DECA yet as I'm trying to make sure I do it right the first time. But now I'm wondering if I should disconnect the HR20 until I do that. Am I harming the receiver by not blocking the internet signals?