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Cisco 4948 Datasheet
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Cisco 4948 Datasheet

Cisco switch data sheet
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DATA SHEET
CISCO CATALYST 4948-10GE SWITCH
10 Gigabit Ethernet Switching for High-Performance, Rack-Optimized Server Switching
PRODUCT OVERVIEW
®
®
The Cisco
Catalyst
4948-10GE Switch is a wire-speed, low-latency, Layer 2–4, 1-rack-unit (1-RU), fixed-configuration switch for rack-optimized
server switching. Based on the proven Cisco Catalyst 4500 Series hardware and software architecture, the Cisco Catalyst 4948-10GE offers
exceptional performance, bandwidth, and reliability for low-density, multilayer aggregation of high-performance servers and workstations.
The Cisco Catalyst 4948-10GE offers 48 ports of wire-speed 10/100/1000BASE-T with 2 ports of wire-speed 10 Gigabit Ethernet (X2 optics).
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 4948-10GE Switch
Figure 2. Rear View of Cisco Catalyst 4948-10GE Switch with Dual Redundant Power Supplies and Removable Fan Tray
All contents are Copyright © 1992–2005 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement.
Page 1 of 13

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Summary of Contents for Cisco 4948

  • Page 1 The Cisco Catalyst 4948-10GE offers 48 ports of wire-speed 10/100/1000BASE-T with 2 ports of wire-speed 10 Gigabit Ethernet (X2 optics). 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).

  • Page 2: Key Features And Benefits

    The 1+1 power-supply design provides A-to-B failover when power supplies are connected to different circuits. AC and DC power supplies can be mixed in the same unit for maximum deployment flexibility. The Cisco Catalyst 4948-10GE also has a hot-swappable fan tray with four redundant fans for additional serviceability and availability.
  • Page 3 INTELLIGENT NETWORK SERVICES WITH QOS AND SOPHISTICATED TRAFFIC MANAGEMENT The Cisco Catalyst 4948-10GE offers superior per-port quality of service (QoS) features to help ensure that network traffic is classified, prioritized, and scheduled optimally to efficiently manage bandwidth-hungry multimedia, and time-sensitive and mission-critical applications. The Catalyst 4948-10GE can classify, police, and mark incoming packets, allowing the administrator to differentiate between traffic flows and enforce policies.

  • Page 4: Features At A Glance

    Sharing, shaping, and strict-priority configurations determine scheduling of egress traffic. The Catalyst 4948-10GE also supports Dynamic Buffer Limiting (DBL), a congestion-avoidance feature. For details about the QoS features (including DBL) on the Catalyst 4948-10GE, refer to the QoS on Cisco Catalyst 4500 Series supervisor engines overview at: http://www.cisco.com/en/US/partner/products/hw/switches/ps4324/prod_white_papers_list.html...
  • Page 5 Single console port and single IP address to manage all system features Software configuration management, including local and remote storage Important notices, privacy statements, and trademarks of Cisco Systems, Inc. can be found on cisco.com. © 2005 Cisco Systems, Inc. All rights reserved.
  • Page 6 Support for all nine RMON groups through the use of a Cisco SwitchProbe traffic monitoring of a single port, a group of ports, or the entire switch from a single network analyzer or RMON probe Analysis support, including ingress port, egress port, and VLAN SPAN...

  • Page 7: Technical Specifications

    BRIDGE-MIB (RFC 1493) CISCO-PAGP-MIB CISCO-PRIVATE-VLAN-MIB CISCO-STP-EXTENSIONS-MIB CISCO-VLAN-MEMBERSHIP-MIB CISCO-VLAN-IFTABLE-RELATIONSHIP-MIB IGMP-MIB PIM-MIB OSPF-MIB CISCO-ENTITY-VENDORTYPE-OID-MIB CISCO-SYSLOG-MIB Important notices, privacy statements, and trademarks of Cisco Systems, Inc. can be found on cisco.com. © 2005 Cisco Systems, Inc. All rights reserved. Page 7 of 14...
  • Page 8 Uplinks—Link and active Image management port—10/100BASE-TX (RJ-45 female) data terminal equipment (DTE); green (good); orange (disabled); off (not connected) Important notices, privacy statements, and trademarks of Cisco Systems, Inc. can be found on cisco.com. © 2005 Cisco Systems, Inc. All rights reserved.
  • Page 9 Power-Supply Specifications The Cisco Catalyst 4948-10GE offers a choice of 300-watt (W) AC or DC power supplies. The switch can operate with one power supply present. When two power supplies are installed, the switch shares the power load between the two supplies (Table 4).
  • Page 10 Table 5. Regulatory Standards Compliance for Cisco Catalyst 4948-10GE Specification Regulatory Compliance Safety Table 6 lists the industry EMC, safety, and environmental standards for the Cisco Catalyst 4948-10GE. Table 6. Industry EMC, Safety, and Environmental Standards Specification Network Equipment Building...

  • Page 11: Warranty

    X2-10GB-ER ** Available in Q4 2005 WARRANTY The warranty for the Cisco Catalyst 4948-10GE is a 1-year limited hardware warranty; it includes hardware replacement with a 10-day turnaround from receipt of a return materials authorization (RMA). CISCO TECHNICAL SUPPORT SERVICES Cisco Technical Support Services help to ensure that your products from Cisco Systems from current system software to assist you in effectively managing your network service while controlling operational costs.
  • Page 12 To learn more about how you can take advantage of Cisco Technical Support Services, talk to your Cisco representative or visit Cisco Technical Support Services at http://www.cisco.com/en/US/products/svcs/ps3034/ps2827/serv_group_home.html. Important notices, privacy statements, and trademarks of Cisco Systems, Inc. can be found on cisco.com. Benefits Software support offers maintenance and minor and major updates for licensed feature sets.
  • Page 13 2005 Cisco Systems, Inc. All rights reserved. CCSP, CCVP, the Cisco Square Bridge logo, Follow Me Browsing, and StackWise are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, and iQuick Study are service marks of Cisco Systems, Inc.; and Access Registrar, Aironet, ASIST, BPX, Catalyst, CCDA, CCDP,...
  • Page 14 © 2005 Cisco Systems, Inc. All rights reserved. Important notices, privacy statements, and trademarks of Cisco Systems, Inc. can be found on cisco.com. Page 14 of 14...

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