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Re: (ASCEND) TNT 672 modems, DS3 Channelized



On Fri, 19 Dec 1997, Jonah Yokubaitis wrote:

> On Thu, 18 Dec 1997, Stephen Balbach wrote:
> 
> |On Thu, 18 Dec 1997, Elvis Presley wrote:
> | 
> |> One thing, do you want to lay all your dial in traffic on a DS3?  Suppose
> |> that DS3 goes down.  Out goes...er...672 dial in lines.  Suppose the TNT
> |> goes down?  Same thing.
> |
> |All PRI's are mux'd into a DS3 as soon as they hit the CO.
> |Your allready using a DS3 now. PRI's are much less reliable, cards fail,
> |copper fails. DS3's reliability is much higher the DS1's. By going with a
> |DS3 handoff you elimiate an extra de-mux/mux step and the equipment point
> |of failures it contains.
> 
> This is absolute BS.  Of the main top3 Class 5 Switches (Lucent 5ESS,
> Nortel DMS100/500, Siemens) none of them have working STS-1 (DS3)
> interfaces yet. Every RBOC/CLEC is using T1s for intraoffice trunks
> and for PRIs to end users.

Odd. Our universal SLC is OC-3 and it's intraoffice.

I don't know the specifics on the switch but I find it hard to imagine
Bell Atlantics largest interoffice backbone is DS1. I could believe the
interface to the switch is DS1, but dont believe they haul from the switch
to our location on DS1. 

	Stb
 

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