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Updated:Jan 28, 2008
Premium, High Performance Top of Rack Switching with Flexibility and Investment Protection
Cisco Systems is pleased to announce the Cisco Catalyst 4900M Series, a premium extension to the widely deployed Catalyst 4948 Series top of rack Ethernet switches for data center server racks. Optimized for ultimate deployment flexibility, the Catalyst 4900M Series can be deployed for 10/100/1000 server access with 1:1 uplink to downlink oversubscription, mix of 10/100/1000 and 10 GbE servers or all 10GbE servers in the same rack.. The Catalyst 4900M is a 320Gbps, 250Mpps, 2RU fixed configuration switch with 8 fixed wire speed X2 ports on the base unit and 2 optional half card slots for deployment flexibility and investment protection. Low latency, scalable buffer memory and high availability with 1+1 hot swappable AC or DC power supplies and field replaceable fans optimize the Catalyst 4900M for any size of data center.
Figure 1. Cisco Catalyst 4900M
The Cisco Catalyst 4900M half cards provide a wide variety of combinations of Gigabit Ethernet and 10 Gigabit Ethernet media types. The base unit can accommodate up to two of following half cards in any combination:
In addition to deployment flexibility, the half slots also provide investment protection for further additions of GbE and 10 GbE media.
The Catalyst 4900M will be available for ordering in January 2008 and shipment in February 2008.
Table 1. Ordering Information
4900M 8-port base system
4900M 20-port 10/100/1000 RJ-45 half card
4900M 4 port 10GE half card with X2 interfaces
4900M 8 port 10GE half card with X2 interfaces
4900M AC Power Supply
4900M AC Power Supply Redundant
4900M DC Power Supply*
4900M DC Power Supply Redundant*
4900M Spare Fan Tray
* Available Q2 CY'08
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