Cisco PWR-C49-300DC= Datasheet

Browse online or download Datasheet for Power supply units Cisco PWR-C49-300DC=. Cisco Catalyst 4900 300-Watt DC power supply User Manual

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Data Sheet
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 1 of 17
Cisco Catalyst 4948 Switch
High-Performance, Rack-Optimized Server Switching
Product Overview
The Cisco Catalyst
®
4948 Switch is a wire-speed, low-latency, Layer 2 to 4, 1-rack-unit (1RU),
fixed-configuration switch for rack-optimized server switching. Based on the proven Cisco
®
Catalyst 4500 Series hardware and software architecture, the Cisco Catalyst 4948 offers
exceptional performance and reliability for low-density, multilayer aggregation of high-performance
servers and workstations. High performance and scalability of intelligent network services is made
possible with dedicated specialized resources known as ternary content addressable memory
(TCAM). Ample TCAM resources (64,000 entries) enable high feature capacity, providing wire-
speed routing and switching performance with concurrent provisioning of services such as quality
of service (QoS) and security and helping ensure scalability for today’s network requirements with
ample room for future growth.
The Cisco Catalyst 4948 offers 48 ports of wire-speed 10/100/1000BASE-T with four alternative
wired ports that can accommodate optional 1000BASE-X Small Form-Factor Pluggable (SFP)
optics
1
. Exceptional reliability and serviceability are delivered with optional internal AC or DC 1+1
hot-swappable power supplies and a hot-swappable fan tray with redundant fans (Figures 1 and
2).
Figure 1. Cisco Catalyst 4948 Series Switch
Figure 2. Rear View of Cisco Catalyst 4948 with Dual Redundant Power Supplies and Removable Fan Tray
1
The Cisco Catalyst 4948 has 52 physical switching ports (48 10/100/1000 and 4 SFP) on the front panel. Up
to 48 of these ports can be active at one time in any combination.
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Summary of Contents

Page 1 - Cisco Catalyst 4948 Switch

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 1 of 17 Cisco Catalyst 4948 Switch High-

Page 2 - Features and Benefits

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 10 of 17 ● CISCO-L2L3-INTERFACE-CONFIG-M

Page 3 - Feature Comparison

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 11 of 17 ● SMON-MIB.my (Internet-Draft)

Page 4

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 12 of 17 Supported SFPs Table 3 lists th

Page 5

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 13 of 17 Environmental Conditions ● Oper

Page 6

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 14 of 17 New Cisco IOS Software Packagin

Page 7

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 15 of 17 Part Number Description CAB-AS

Page 8

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 16 of 17 Table 8. Technical Support Ser

Page 9

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 17 of 17 Printed in USA C78-340096-

Page 10 - Data Sheet

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 2 of 17 Features and Benefits Wire-Speed

Page 11

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 3 of 17 Feature Comparison Table 2 compa

Page 12

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 4 of 17 Features and Specifications at a

Page 13

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 5 of 17 ● Unidirectional Link Detection

Page 14 - Ordering Information

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 6 of 17 ● OSPF and EIGRP fast-convergenc

Page 15 - Warranty

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 7 of 17 ● Support for 32,000 ACL and QoS

Page 16 - For More Information

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 8 of 17 ● IEEE 802. 1x private guest VLA

Page 17

Data Sheet © 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 9 of 17 Traffic and Congestion Managemen

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