The 3620 has lower performance (bus b/w, memory b/w, etc.) than
the 3640. So in answer to your first question, it may be a
penny-wise pound-foolish situation.
I don't have any suggestions on your second question.
Barry
>
> 1st question:
>
> Since the 3640 chassis ($6500 list) costs more than twice the 3620 chassis
> ($2900 list), wouldn't it make more sense in many cases to buy 2 3620s
> instead of 1 3640? (Shouldn't the cost/slot price go down when you
> increase the number of slots?).
>
> That way, it is 'pay as you grow' and you aren't putting all your eggs in
> 1 basket. I accept the issue of having to manage 2 boxes instead of one. I
> also accept the issue of traffic between the 2 boxes whereas otherwise it
> could have stayed within the 1 3640. I am also not considering using these
> for digital modems which I know requires the 3640.
>
> A spare 3620 in case 1 of the other 2 failed would also cost a lot less
> than a spare 3640.
>
>
> 2nd question:
>
> If I want to have a box with 4 ethernet ports and 4 sync (T1) ports, is
> there any reason not to buy 2 NM-2E2W modules and 4 WIC-1T cards instead
> of 1 NM-4E and 1 NM-4T?
>
> Again, it is cheaper and can be 'pay as you grow' and you don't need near
> the same value of spares on the shelf. Plus, it is more flexible and the
> WICs can be cannibalized for other platforms (1600 and 2600).
>
>
> Thanks,
> Mike.
>
>
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