Which is the virgin street cabinet?

[essjay]

Originally Posted by Sephiroth

I promised some photos. There is a typical street cabinet photo, a 230V cabinet photo and a PDF of my nerdish research in Winnersh.

The PDF differentiates typical cabinets from 230V cabinets (Optical Nodes) and also shows the BT Infinity cabinets. The number of houses per street is also shown so that I could get the homes passed number. It's 39 homes passed on average per street cabinet and 480 per optical node.

From what I can make out neither of them cabs have a 240v feed. Only the optical nodes as you call them (or launch cabinets, or mux a's) have a 240v feed you can tell this has it will have a RCB device. This is then wired into a PSU either an all in one unit that splits the power into 60v and 48v or two separate units.

A typical area in the Northwest (ex Nynex build) would be something along the lines of the following.

Fibre to optical node 4 of those this is then converted into RF into the launch amp for the area, these then feed either trunk or line amplifiers, never any more than 4 in the cascade, on average 14 per area, each amp feeding a 48 way tap block.

So each cabinet can serve 48 homes
Each area on avarage 672 homes
each optical area 2600

These are only averages .

[TJS]

Originally Posted by essjay

From what I can make out neither of them cabs have a 240v feed. Only the optical nodes as you call them (or launch cabinets, or mux a's) have a 240v feed you can tell this has it will have a RCB device. This is then wired into a PSU either an all in one unit that splits the power into 60v and 48v or two separate units.

A typical area in the Northwest (ex Nynex build) would be something along the lines of the following.

Fibre to optical node 4 of those this is then converted into RF into the launch amp for the area, these then feed either trunk or line amplifiers, never any more than 4 in the cascade, on average 14 per area, each amp feeding a 48 way tap block.

So each cabinet can serve 48 homes
Each area on avarage 672 homes
each optical area 2600

These are only averages .

You are right about the voltage feed; i cant see any warning of that anywhere on or near the cabs; whats the difference between the cabs that have these and the ones that don't?

[essjay]

They are usually twice the size or bigger

[digitalspace]

This thread is brilliant, just the kind of tech discussion I've been searching for, and with pictures too!

[TJS]

So I actually took a look at the brown box on the side of my house properly for the first time; and there is a load of cables going to it.

There is 2 sets of double cables with a brown plastic outside going into the box; and then a black double cable going in there as-well; I have no idea where the brown cables come/go fro but the black cable goes under the path and down into a green hose that goes under the street Any idea what the brown cables are for?

Also i opened the box up and its literally packed with cables LOL so i just closed it.

---------- Post added at 15:19 ---------- Previous post was at 15:17 ----------

[carlwaring]

Okay. So we know what a BT cab looks like and we know what a VM cab looks like. So what's this?

[img]Download Failed (1)[/img]

My ideas:
A. A BT cab that VM have taken over or hijacked.
B. A BT cab in VM's Cabinet Protection Program.

[TJS]

Originally Posted by carlwaring

Okay. So we know what a BT cab looks like and we know what a VM cab looks like. So what's this?



My ideas:
A. A BT cab that VM have taken over or hijacked.
B. A BT cab in VM's Cabinet Protection Program.

At first i was like 'that looks like some of the bigger streetcabs arround here' but then it has some kind of mutant door thing coming out the front of it?

LOL

[Sephiroth]

@ TJS

Ah - a photo of the inside of the brown box would help answer your questions more reliably. (if you can be arsed to provide a phot, do please separate things as clearly as possible for ease of discernment!).

Essjay may know more about the Nynex build, but the build in my area was Telecential --> Comtel --> Cabletel = NTL.

Mine is a grey box with a thick black cable emerging from a green undergound hose. The telephone wires pop out of the black sheathing and distribute out of the box and round two places in the house. The digital cable goes into a splitter that goes out round the wall to two other TV box places in the house and through the wall to another room which further distributes via a splitter to cable modem and TV.

So your brown cables - did Nynex do FM radio separately? Or is that even how analogue TV was provided? Essjay?

[TJS]

Originally Posted by Sephiroth

@ TJS

Ah - a photo of the inside of the brown box would help answer your questions more reliably. (if you can be arsed to provide a phot, do please separate things as clearly as possible for ease of discernment!).

Essjay may know more about the Nynex build, but the build in my area was Telecential --> Comtel --> Cabletel = NTL.

Mine is a grey box with a thick black cable emerging from a green undergound hose. The telephone wires pop out of the black sheathing and distribute out of the box and round two places in the house. The digital cable goes into a splitter that goes out round the wall to two other TV box places in the house and through the wall to another room which further distributes via a splitter to cable modem and TV.

So your brown cables - did Nynex do FM radio separately? Or is that even how analogue TV was provided? Essjay?

Ill attempt to brave opening the brown box again.....

---------- Post added at 16:15 ---------- Previous post was at 16:09 ----------



Please excuse the picture quality LOL i tried to be discreet and use compact camera because i Imagine a few eyebrows would be raised if i was out there with my slr taking photos of a box. LOL

edit: made picture lower resolution

[craigj2k12]

whoa the size of that coax coming in

[TJS]

Originally Posted by craigj2k11

whoa the size of that coax coming in

I thought that to LOL

[craigj2k12]

Originally Posted by TJS

I thought that to LOL

fatter than me leg

[Peter_]

Compare it to the standard sized brick for a reality check.

[TJS]

Originally Posted by Masque

Compare it to the standard sized brick for a reality check.

The bricks on my house are smaller then modern ones as it was built in 1830

I think its RG-11 coax coming into the box



RG11 top RG6 bottom

[Peter_]

Originally Posted by TJS

The bricks on my house are smaller then modern ones as it was built in 1830

Not that small as the cable is the standard siamese cable coming into the OMNI box.