cghh
join:2001-01-15
Milpitas, CA | reply to Mr Anon
Re: Why? said by Mr Anon :
Maybe its my ignorance but I don't see why this can't be just like cable modems or plug and play. We can't buy the cards they are given to us.
Before the cards are issued to us we the should be setup and once installed in the system they should be able to communicated secured to the office and finish whaterver setup is left. Due to restrictions from CableLabs, current cablecard devices are required to be only one-way, which means that they cannot handshake with the head end. The encryption algorithm they use computes keys derived from both the cable card and the specific host device (e.g., TiVo or TV), and this has to be registered at the head end. Modems are inherently two-way, so they don't have a problem with this. |
 Morac
join:2001-08-30
Riverside, NJ
kudos:1
 ·Comcast
| While Comcast now has a self-provisioning system, when I got my first CableModem, I had to call into Comcast and read off the MAC and serial numbers off the modem in order for them to provision it.
That wasn't any different how CableCARDs work currently. When you put the CableCARDs into the device you are giving a set of 3 numbers (per card). Once the cable company has these three numbers, the card is paired and will work will all the channels you paid for.
The main difference between this setup and the old modem provisioning setup is that if you take the cards out of the device and move them elsewhere the pairing numbers change (even if you then put them back into the same device). This should be as easy to fix as calling into the cable company to give them the new number, but this isn't always the case (see my post later on in the thread).
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