Hello:
I'm new to SI and while I thought I had a good handle on how this technology works, lately I've become a little confused on exactly how it will be applied.
You stated:
"The modem at the CO will be a printed circuit board (called a line card) that plugs into a card cage, this card cage contains many line cards. Ideally, the RBOC would like to have more than one channel or ADSL modem per line card."
These may sound like silly questions, but I'm going to ask anyway.
1. Whose line card at the CO will have the ADSL modem, my line or my ISP's line?
2. If it's my line, would that imply that there would be a third ADSL "modem" at the ISP?
3. If it's on the ISP's line, why would the telco's even be involved other than charging the ISP a premium for the line?
I've followed the discussion closely both here and on AOL and I still don't understand why everyone is so concerned over whether the telcos will make the service available. I've heard several comparisons to their fairly weak efforts at promoting ISDN. Based on my possibly erroneous understanding, this is comparing apples to oranges. ISDN requires a dedicated line of a certain quality if I'm not mistaken and also involves an "installation" process.
I thought that the beauty of ADSL is that it requires no change in the infrastructure. In other words, I would use my ADSL modem in exactly the same fashion as my analog 28.8 modem. It would simply make better use of the copper wire.
Presumably, if an ISP wants my business, they will make it their business to provide high speed ADSL access just as AOL offers me a variety of local access numbers at varying speeds. Consequently, it would seem to me that the telco business issue is with the ISP's.
Taking this train of thought a step further, the only reason an RBOC would be interested in the ADSL business at all, from the modem perspective, is if they intend to become an ISP or some incarnation thereof.
Any and all help in attaining enlightenment will be greatly appreciated.
Bob |
