#1
Posted 14 October 2022 - 13:22
Re: Vu+ NIM(45208 FBC) #2
Posted 14 October 2022 - 13:28
Satellite reception can only tune to 1 transponder. FBC for cable can use the full bandwidth, sat only the quadrant it's tuned to. If you insist on DVB-S2 FBC you will need to install Quadro LNB's (VL,VH,HL,HH) or change to UniCable LNB. There's nothing wrong with your current setup.
Re: Vu+ NIM(45208 FBC) #3
Posted 16 October 2022 - 18:41
Thanx for your reply, can you please clarify below?
Sat only the quadrant tuned to?
What happened to transponders? Is transponder (in DVB-S/S2) not similar to multiplex (DVB-T/T2 C/C2)?
I thought that like in DVB-T/T2 - C/C2 the amount of tuners = multiplexes that can be tuned at one time. This is getting more complicated
So both changes require change of LNB's for all the positions (13E, 19E or 23.5E), right? ....... as I can only get I coax cable to the tuner/Vu+ box a the moment.
I see so what I have it's just single LNB with only one output for each sat position, but there are
- Quad LNBs which had four connections,
- Octo LNBs with eight connections.
- Quattro LNB that are used with Multiswitches where 4 cables are needed for VL,VH,HL,HH for each satellite position so in my case 12 cables (for 13E, 19E or 23.5E) going into a Multiswitch
and then one to the tuner/Vu+ ??
- Unicable LNB
Unicable 1 LNBs usually come with 4 SCR although they are technically capable of more ??
Unicable 2 (JESS) LNBs usually come in 24 or 32 SCR.
I'm still confused
Ref:
https://www.linuxsat...using-unicable/
Vu+ Duo4K SE with 45308X FBC and BCM3466 running OpenPLi 8.3-release (2023-06-25-release-8.3)
Vu+ Ultimo4K with BCM3148, 45208 FBC and TT3L10 running OpenPLi 8.3-release (2023-06-25-release-8.3)
Re: Vu+ NIM(45208 FBC) #4
Posted 16 October 2022 - 23:25
If you are using universal LNBs, you will not get the full benefit of FBC tuners.
You have several options which you have already listed. Make sure you use a Jess/Unicable compatible multi-switch. There are some switches which allow wideband LNBs. They would need two cables instead of 4.
Another option is to use a unicable LNB for the main satellite. You can configure several tuners/demodulators for that satellite. The other two satellites can stay on a diseqc switch and will still be limited.
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