View Single Post
Old 05-05-2020, 12:35   #8
RichardCoulter
cf.mega poster
 
Join Date: Jan 2008
Posts: 10,061
RichardCoulter has disabled reputation
Re: Does VM suffer from subsidence issues?

Quote:
Originally Posted by sollp View Post
I think you've answered your own question
How so?

---------- Post added at 12:34 ---------- Previous post was at 12:32 ----------

Quote:
Originally Posted by nodrogd View Post
No it’s not. Most of the cable kit works at 48v, and some of the older Nokia kit works as low as 37v, which is why some customers with older phones used to have issues switching to cable when it first came out in the UK.
Would these voltages be enough to give you a shock? Could they be dangerous?

---------- Post added at 12:35 ---------- Previous post was at 12:34 ----------

Quote:
Originally Posted by vm_tech View Post
In my 12 years in the industry, working on a predominantly underground network (eg distribution tabs underground not just cables) I’ve never heard of a network subsiding and taking down wall boxes cabinets etc. There are cases where ducts etc have collapsed for various reasons, but not just due to being underground. The telephone network runs on 48v DC, and the HFC network is 60v AC, but the AC the will not be passing through customer drop cables, only down trunk coax to power amplifiers. The FTTP network is completely passive after the hub cabinet in the street
Passive??
RichardCoulter is offline   Reply With Quote