[c-nsp] Catalyst 4500 E-Series

[Sachin Gupta]

The +E chassis has new mux-buffers to support 48G/slot in the redundant
chassis. The higher speed mux-buffers result in the lower rated MTBF. We
priced lower to encourage transition. Going forward, I recommend R+E chassis
purchases only.

Sachin


On 12/14/10 6:06 AM, "Antonio Soares" <amsoares at netcabo.pt> wrote:

> I'm trying to understand the differences between the WS-C4507-E and the
> WS-C4507+E but I'm confused:
> 
> 1) 4503-E, 4506-E, 4507R+E, and 4510R+E chassis are extremely flexible and
> support either 6 Gbps, 24 Gbps, or 48Gbps per line-card slot. 4507R-E and
> 4510R-E chassis are limited to 6 Gbps and 24 Gbps per line-card slot.
> 
> -> So the +E seems better.
> 
> 2) Part Number Max Rated Power (W) Rated MTBF (Hours)
> 
> WS-C4507R+E 135 248,630
> WS-C4507R-E 135 365,896
> 
> -> Now the -E seems better
> 
> 3)
> 
> WS-C4507R-E 10K GPL
> WS-C4507R+E 7K GPL
> 
> The +E looks much better :)
> 
> What is the logic behind all this ?
> 
> 
> http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps4324/product_da
> ta_sheet0900aecd801792b1.html
> 
> 
> Thanks.
> 
> Regards,
> 
> Antonio Soares, CCIE #18473 (R&S/SP)
> amsoares at netcabo.pt
> 
> 
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-- 
  Sachin Gupta | Dir, Marketing | Catalyst 4500 & 4900 Series