We had virgin fitted (2 x set top boxes and broadband etc) There were issues with the signal levels (quite low) and were never resolved so i took matters into my own hands by firstly replacing the 240v booster splitter they installed with a cheap non powered splitter from maplins that immediately improved picture quality. There was a lot of excess internal coax cable that i have now replaced with 75 ohm cable from a website called "cables-and-more" really cheap cable and i have cut it open and better quality than the virgin cable i cut open and makes a lot of difference in the colours and the blacks on screen and you can order it in various lengths with f plugs pre manufactured, it's also a lot more flexible. I'm wondering if i could use this cable externally without any issues or is that why virgin use poor quality but well insulated and armour proteted cable and also use it internally as it is cost effective???? Oh the next thing to go is the Technetix Tris-1002L
lol they not going to like you.your gonna get folk moaning.they be saying you make the network unstable and all the street will suffer,and that the cable is rare to get hold off.wf100 cable not used it myself.theres many different types of the cable though.and if the cable lenth had any impact on snr or power levels why do vm send self install kits out.at my old address i had sh 1 connected to a 1 meter lenth cable ok.when i bought my new house there there was already a cable installed around the skirting approximately 17 feet vm sent me a new sh 1 self install no probs iv even posted router stats on here no problems.
Thanks for taking the time to post on the community.
In regards to changing the cabling, this is the property of Virgin Media and any changes required need to be completed by an authorised Virgin Media engineer. If you do change this yourself it can cause an impact on the local network and not only cause issues with your connection but with other customers also.
I have taken a look at your connection and the upstream power levels are too high at 56 dBmV. I can arrange for an engineer to check this over for you. If you would like to go ahead with this, I have sent you a PM (purple envelope icon, right corner) with some details for you to confirm please.