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" <amsoa...@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) > amsoa...@netcabo.pt > > > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ -- Sachin Gupta | Dir, Marketing | Catalyst 4500 & 4900 Series _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/