[c-nsp] Inverse multiplexing DS3s to larger interfaces?

[Thomas D.Simes]

On Wed, 23 Feb 2005 15:26:55 -0500
Matthew Crocker <matthew at crocker.com> wrote:

> 
> This most likely will not work. A  POS-OC12 card is an OC-12c and  
> cannot be 'channelized',  it cannot be chopped up into 12 STS1s.  A  
> CHOC-12-DS3 card is an OC-12 card which is channelized and can be  
> chopped up into STS1s (DS3 + SONET wrapper).  With a CHOC-12 you will 
> 
> still see each individual DS-3 in the router with individual
> interfaces  and the same 8 interface limit applies.  If you have DS-3
> hand off from  your carrier then you the carrier must have some type
> of fiber mux  nearby.  DS-3 can only run 400 feet on coax.  I would
> force your  carrier to support/provide OC-n service of the correct
> size for your  needs.  GigE would probably be better if you can swing
> it.
> 
> -Matt

Thanks for the specifics on the line cards Matt,  I hadn't gotten that
far yet but your characterization (channelized vs. concatenated) makes
sense.

-- 
Tom
 
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   "Z-80 system stack overflow.  Shut 'er down Scotty, the system's
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Thomas D. Simes                                 simestd at netexpress.com 
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