NTL & Twister pair

paulm17781

As I understand it, in the UK NTL run co-ax and twisted pair into peoples houses.

Would it be feasable to do here, it would make triple play a lot easier for people (seemless change over, no extra equipment) or would the cost be prohibitive?

Would there be any extra advantage in doing this?

bk

Well it would only be feasible if you are running new cable or replacing very old cable. It wouldn't add much extra cost (most of the cost is labour and road opening licenses, not materials), but there would be very little point in running UTP if you weren't already planning to lay new/replacement coax.

UTP would give you very little advantage. You can run telephone services over Coax with either VoIP or PacketCable standards and BB can reach much higher speed over cable, so what would be the point?

paulm17781

bk wrote:

UTP would give you very little advantage. You can run telephone services over Coax with either VoIP or PacketCable standards and BB can reach much higher speed over cable, so what would be the point?

I was thinking of people with 4 phone points or similar who won't want change. I would hate to have 4 seperate points, that all worked fine, and suddenly find I need new equipment and only have 1 point.

watty

The coax to phone point convertor can connect to all your existing phone points. I don't know what the UTP in UK is for, here certinally there would be nothing to connect it to. Coax can generally carry much more information further than UTP.

bk

paulm17781 wrote:

I was thinking of people with 4 phone points or similar who won't want change. I would hate to have 4 seperate points, that all worked fine, and suddenly find I need new equipment and only have 1 point.

1) Everyone is buying DECT phones for dirt cheap nowadays, friend got 4 pack for €60 before Christmas.

2) I believe there are adaptors for coax phone service that connect to your a normal phone socket and would redirect all the calls from all 4 phones.

Ulsterman 1690

The Coax is for TV/broadband while the UTP is only for phones (also faxes modems) etc.

Having a seprtate UTP cable may seem like a strange idea but it has the advantage that It enables bog standard BS6312 phone sockets to be used So that people changing between BT and NTL dont have to run out and buy new phones. Also some NTL customers just go for the phone without the broadband TV (Admitidely domestic telephone equipment is becoming so cheap that a lot of the original reasons for this setup are disappearing)

I suspect the UTP only goes as far as a coax to phone point convertor gizmo in the nearest street cabinet (or even the oversized junction box outside the house).

Changing Irish cable networks over to this format would require a lot of expensive rewiring and in any case many Irish cable networks still dont have any kind of interactive/backchannel capability (Economically its probably only worth having this capability if one is building a network from scratch)

watty

????
I have a DOCSIS 2.0 Cable TV box. It has a phone outlet. All the existing phone outlets can plug into it.

The only reason to run UTP is for extra non DOCSIS based services. It makes no difference to the wiring or use of oldfashoned or DECT phones.

With NTL in Belfast the box to convert from COAX to twisted pair phone is in the house. It also has the optional WAN port for BB. Separate Teed off boxes used for analog and digital TV.

Ulsterman 1690

With NTL in Belfast the box to convert from COAX to twisted pair phone is in the house

Youre absolutely right

Its in the big white box with the f-connectors for TV/Broadband and FM