The Specs

Additional Specifications
Number of Total Expansion Slots 12
Redundant Power Supply Yes
Frequency Band IP BaseHigh-density-packet voice DSP module, optimized for voice and video supportStandards-certified VoiceXML browser servicesCisco Unified Border Element capabilitiesExpansion Slots:1 x Service Module1 x Internal Services Module (ISM)
Management CiscoWorks LAN Management Solution (LMS) CiscoWorks QoS Policy Manager (QPM) Cisco Configuration Engine SNMP Syslog NetFlow CLI
normalized-Weight 464
Management Port Yes
Compatible Rack Unit 2U
Product Model 2921
Total Number of Ports 3
Brand Name Cisco
Product Series 2900
Number of Broadband (RJ-45) Ports 3
Quick Glance
Number of Network Ports 3
Interfaces 3 x RJ-45 10/100/1000Base-T Network WAN|2 x Type A USB|1 x Type B USB Management|1 x RJ-45 RS-232 Auxiliary Management|1 x RJ-45 RS-232 Console Management
Network Architecture Supported Yes Ethernet (10/100/1000 Mbps)
Form Factor Rack-mountable
Warranty
Warranty Information 90 Day Limited
Dimensions
Weight 29 lbs
Dimensions 3.50" Height x 17.25" Width x 18.50" Depth
More Info
URL http://www.cisco.com
Features
Installed Main Memory 512 MB
Installed Flash Memory 256 MB
Interfaces 3 x RJ-45 10/100/1000Base-T Network WAN|2 x Type A USB|1 x Type B USB Management|1 x RJ-45 RS-232 Auxiliary Management|1 x RJ-45 RS-232 Console Management
Number of Network Ports 3
Network Architecture Supported Yes Ethernet (10/100/1000 Mbps)
Form Factor Rack-mountable

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