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Cisco 1721 Modular Router

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sku# CISCO1721
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Cisco 1721 Modular Router
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Cisco 1721 Modular Router
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Condition: Refurbished
The Cisco 1721 is a modular router optimized for data-access applications, providing businesses with the most complete functionality and flexibility to deliver secure Internet and Intranet access. The router offers a wide array of WAN access options, high-performance routing, Quality of Service, inter-virtual LAN routing, and VPN access with firewall options. Powered by Cisco IOS, the Cisco 1721 offers high reliability and flexibility of interchangeable WAN interface cards, comprehensive security that includes hardware-assisted VPN encryption and a stateful inspection firewall, and business-class DSL with enhanced quality of service to ensure high-performance levels are guaranteed.
Device Type Router 
Form Factor External - modular 
Installed Modules Qty (Max) 0 (installed) / 3 (max) 
Width 11.2 in 
Depth 8.7 in 
Height 3.1 in 
Weight 2.9 lbs 
RAM 64 MB (installed) / 96 MB (max) 
Flash Memory 32 MB (installed) / 16 MB (max) 
Connectivity Technology Wired 
Data Transfer Rate 100 Mbps 
Data Link Protocol Ethernet, Fast Ethernet 
Routing Protocol OSPF, HSRP, NHRP 
Remote Management Protocol SNMP, RMON, Telnet 
Status Indicators Link activity, collision status, power 
Features Modular design, full duplex capability, firewall protection, auto-sensing per device, IP-routing, DHCP support, NAT support, VPN support, auto-negotiation, VLAN support 
Compliant Standards IEEE 802.1Q 
Expansion / Connectivity
Expansion Slots Total (Free) 3 ( 3 ) x expansion slot Memory 
Interfaces 1 x network - Ethernet 10Base-T/100Base-TX - RJ-45 1 x management - console - RJ-45 1 x management - auxiliary - RJ-45 
Authentication Method RADIUS, PAP, CHAP, X.509 certificates, TACACS  
Compliant Standards FCC Class B certified, ETSI, CSA, CTR 21, CISPR 22 Class B, EN 60950, EN55022, IEC 61000-3-2, IEC 61000-4-11, IEC 61000-4-2, IEC 61000-4-4, IEC 61000-4-5, UL 1950, VCCI-II 
Power Device Power adapter - external 
Voltage Required AC 100/240 V ( 50/60 Hz ) 
Power Consumption Operational 20 Watt 
Software / System Requirements
OS Provided Cisco IOS 
Software Included Drivers & Utilities 
Environmental Parameters
Min Operating Temperature 32 ?F 
Max Operating Temperature 104 ?F 
Humidity Range Operating 10 - 85% 
Universal Product Identifiers
Part Numbers CISCO1721-RF, 0746320825755 
UPC 0746320825755