The Specs

Height 3.5 in
Width 17.25 in
Depth 16.4 in
Additional Specifications
Frequency Band With the Cisco IOS Software Advanced Security feature set, the Cisco 2821 provides a robust array of common security features such as a Cisco IOS Software Firewall, intrusion prevention, IPsec VPN, Secure Shell (SSH) Protocol Version 2.0, and Simple Network Management Protocol (SNMPv3) in one secure solution setCisco CME is an optional solution embedded in Cisco IOS Software that provides call processing for Cisco IP phonesAC input surge current: 50A maximum, one cycle (-48V power included)Interface Card Slots:Each slot can support HWIC, WIC, VIC, or VWIC type modulesRPS:External only, connector for RPS provided by defaultOperation Altitude (derate 1.5C per 1000 ft):27.5C @ 15 kft35C @ 3km/10 kft40C @ sea level
Number of Total Expansion Slots 11
Management Cisco Router and Security Device Manager (SDM) Simple Network Management Protocol (SNMP)
normalized-Weight 401.6
Network Protocol Supported SNMP
Parent Retsku B00066FIPU
Management Port Yes
Compatible Rack Unit 2U
Temperature -4F (-20C) to 149F (65C) Non-operating
Total Number of Ports 2
Humidity 5% to 95% Non-condensing Operating
Features IPSec
Number of Network (RJ-45) Ports 2
normalized-Height 88.9
Product Model 2821
Input Current 2 A @ 230 V AC
Product Series 2800
Brand Name Cisco
Quick Glance
Number of Network Ports 2
Network Architecture Supported Yes Ethernet (10/100/1000 Mbps)
Form Factor Rack-mountable
Warranty Information 90 Day Limited
Weight 25.00 lbs
Dimensions 3.50" Height x 17.25" Width x 16.40" Depth
More Info
Installed Main Memory 256 MB
Installed Flash Memory 64 MB
Interfaces 2 x RJ-45 10/100/1000Base-T LAN|1 x Auxiliary Management|1 x Console Management|2 x USB

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