Also sprach mark ross
How may t-1's can you cram into a chassis until you start running up against I/O bandwidth of the packet bus ??
A *lot*. I believe I remember being told 2Gbps, but that the backplane (midplane really) was totally passive wrt the packet bus, so upping the cards talking on the packet bus let's everything talk faster. Depending on the equipment you're using, the TDM bus may be the limiting factor. If you're running your ingress lines into a NIC going straight to a NAC, ie, not having to be shipped across the midplane at all, then you're fine...if it has to go across the midplane though, you might end up being limited by the timeslots in the TDM bus.
I am still using 4 of the old chassis with quads and netserver cards
This is what 3Com/Commworks needs to realize...there's a *HUGE* installed base of older equipment out there, and every time they EOL a product so quickly after the End Of Sales of that product, they piss off their customers even more. 3com/Commworks has a nasty habit of doing this...NETServer PRI, 486 based NMC, now quads and dual-pri cards...not to mention the absolute insanity of their support contracts...even after 3 years of screaming and yelling of people on this list. Now 3Com/Commworks doesn't even officially monitor this list anymore. I was wrong on one thing though, this isn't 3Com/Commworks unloading a full clip on full automatic into their foot, this is dropping a 500 lb. *bomb* on their foot! Get a clue 3Com/Commworks, you've watched your stock price go *nowhere* for 3 years now (if you factor out the influence of Palm for a short time before the spin-off...fairly reasonably done since Palm was *never* really a very integral part of 3Com), perhaps, just maybe, you should consider the possibility that its because you're regularly screwing your customers over!
Lance Eves wrote:
Is there not anyone besides myself that has the 96 port cards? As far as I can tell they integrate in just fine with everything else. Of course there is the code upgrade.... The newer chassis has a bigger and badder (or is that more bad) ARC and NMC, and I believe that the backplane is also enhanced. I played around with it all when I got the new chassis. It all seems to play nice with one another in one of the older chassis that I have. Of course when it was all said and done, I put all the pieces back in the enhanced chassis and put it into production. I have the 96 port and 7-24 port DSP cards in the chassis and it is all working like a charm.
Lance
-----Original Message----- From: owner-usr-tc@lists.xmission.com [mailto:owner-usr-tc@lists.xmission.com]On Behalf Of Ronald Kushner Sent: Thursday, March 15, 2001 5:37 PM To: usr-tc@lists.xmission.com Subject: Re: (usr-tc) V.92
Dale Hege wrote:
The really sad thing is I was told by my vendor this afternoon that v.92 will only be supported on the 96Port dsps. Also that the
chassis with fan
tray will not support the 96Port cards you need to buy the TC1000 Enhanced chassis. :(
Sounds like someone is trying to sell you some hardware. I'll personally drive to Chicago and burn down the 3Com building if the HiPer DSP cards do not support V.92.
-Ron
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