Re: What's your View about these

From: James Ventre (messageboard@ventrefamily.com)
Date: Tue Jul 25 2006 - 20:50:58 ART


>David Timmons wrote:
>Also, does it say anything about the WS-X4548-GB-RJ45 and connection the
backplane?

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat4000/hw_doc/mod_inst/03instal.htm#wp1037534

The WS-X4448-GB-RJ45, WS-X4548-GB-RJ45, and WS-X4548-GB-RJ45V switching
modules have 48 oversubscribed ports in six groups of eight ports each:

The eight ports within each group use common circuitry that effectively
multiplexes the group into a single, nonblocking, full-duplex Gigabit
Ethernet connection to the internal switch fabric. For each group of
eight ports, frames received are buffered and sent to the common Gigabit
Ethernet link to the internal switch fabric. If the amount of data
received for a port begins to exceed buffer capacity, flow control sends
pause frames to the remote port to temporarily stop traffic and prevent
frame loss.

James

David Timmons wrote:

  Hi,
  How about we compare the 4507R and 4510R chasssis. Those are the ones
  I use the most with the the following sups: Sup IV, Sup V, Sup
  V-10GE: See what your document says for those. Also, does it say
  anything about the WS-X4548-GB-RJ45 and connection the backplane?
  This was the doc I used to look at the chassis/sup combo:http://www.cisco.com/en/US/partner/products/hw/switches/ps4324/products_installation_guide_chapter09186a0080126d48.html
  dt



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