2024 Flagstaff Superlite 29RLS coax wiring lessons learned

Toupslm

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Mar 23, 2025
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Before are details from my trouble shooting and experiments I ran to test wiring. I have not found an official coax wiring diagrams so I took the opportunity to share some I created. My initial issue was related to connecting main room tv to dish network receiver and dish playmaker. What worked was connecting playmaker to satellite coax on the right side of external panel see pics. Next, I connected a coax cable to Aux/Sat port in main room and connected other end to dish receiver input. With this configuration I was able to get playmaker setup and was successful using dish channels. I found it did not matter whether I left the antenna booster on or off.
 

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We have a 2024 Flagstaff Microlite 25SRK. Even though I have the official coax layout for my camper, I find the plate labels confusing, so I traced my cables as well to confirm what connects with what. With that done, I like to think of the camper having 2 jumper lines and ignore their signal specific labels. Jumper #1 (black) is the outside wall connection on the right - you labeled "Satellite In" which leads inside to a connector on the top of the 2-connector antenna booster plate. There are no other coax connections on the jumpers - what signal they carry is dependent on what you plug into either end. Jumper #2 (tan, yellow in your picture) runs from the single connector plate (labeled "satellite connection from receiver"), next to the booster plate, to the bedroom 2-connector plate - the connector labeled "bedroom satellite in".

So my new understanding is that neither of these jumpers need to be connected to anything or are specific to any signal source. I unfortunately wasted a lot of time making various connection combinations and re-tuning TVs for channels each time.

Required connections inside would be the booster plate lower connection* which supplies both antenna and cable input to the main TV, and the bedroom second connector (right on my camper, bottom on yours) which supplies the same. Having cable input requires a cable connection to the "Cable In" on the left side of the 2 external connectors. Using either of the 2 jumpers and their connectors is only needed to carry another signal from outside to inside and/or from main area to the bedroom - a signal such as your (external) playmaker or an (internal) DVR (from main area to bedroom).

*The booster plate lower connection combines antenna and cable signals and also has the ability to turn on or off the booster power. I have not yet confirmed if that combination of signals to our Connexx TV works OK, or if the booster power needs to be on or off when tuning in between the two. That's on the To-Do list for the next trip.
 
The "booster power" switch adds 12 Vdc to the coax that (usually) runs to the rooftop antenna, to power the antenna amplifier on the roof. It's +12 on the inner conductor and Ground on the braid or foil.

Most other devices (like TVs, satellite gear, etc.) have DC-blocking capacitors and safely ignore the presence of the 12 Vdc. This is similar to how Power over Ethernet (PoE) devices work.

A device like the antenna amplifier or other powered device actually splits the powered signal two ways.
  • The amplified signal down from the amplifier is connected to the amplifier output at the roof coax through a capacitor, to avoid putting 12 Vdc on the amplifier output.
  • The 12 Vdc upward is split from the coax at the roof through an inductor which blocks the signal from contaminating the power supply voltage and feeds the amplifier.
A similar arrangement at the switch introduces power through an inductor and separates the signal with a capacitor. The device at the switch is sometimes called a "power injector."
 

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