[nsp] CISCO UBR7114E

[Scott Morris]

Unless something has changed in the functionality of things, you can
type that command in all you want, however it will have no effect!

The last time I looked at them (which, like I said, may have changed),
the command wasn't all it was cracked up to be because you couldn't run
an A card in B mode or a B card in A mode...

And you're correct about the frequency range, but that would mean taking
up two channels in order to get things working in an 8Mhz band.  Your
Annex setting has to do with the MPEG framing type which (AFAIK) is a
different concept than how wide your channel happens to be.

I only have Annex B cards, and it's not even an option for me to change.
But testing it out will surely figure out whether my information is
dated or not. :)

Scott



-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Blaz Zupan
Sent: Monday, September 22, 2003 12:34 PM
To: Fast Track Technologies
Cc: cisco-nsp at puck.nether.net
Subject: Re: [nsp] CISCO UBR7114E


> A Customer of ours inadvertently purchased the CISCO UBR7114E 
> (EURODOCSIS Compliant), where actually he should have taken the 
> UBR7114 (DOCSIS Compliant). Is there any way he can convert the 
> UBR7114E to be DOCSIS Compliant?

Actually I think it should work just fine as it is. The difference
between DOCSIS and EuroDOCSIS is the frequency range it can support and
the framming (Annex A vs. Annex B). The EuroDOCSIS frequency range is
wider. I believe the EuroDOCSIS model can support the DOCSIS frequencies
just fine. You can also choose between Annex B (DOCSIS) and Annex A
(EuroDOCSIS) with the "cable downstream annex" command. So using your
EuroDOCSIS CMTS on a DOCSIS network should just be a matter of using
only the DOCSIS frequencies and configuring "cable downstream annex b"
instead of "cable downstream annex a".
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