Cisco 1921-SEC/K9 - Cisco 1921 2-Port Gigabit Router DC Power Supply 1921SEC/K9

Description:

The Cisco 1921-SEC/K9 Integrated Services Router is used in enterprise and branch network infrastructures to provide secure routing, firewall protection, and reliable WAN connectivity for distributed business environments. It supports dual Gigabit Ethernet interfaces and integrated security features designed to deliver stable network performance and secure data communication between local networks and remote sites. Commonly installed in branch offices, retail locations, financial institutions, and small enterprise network deployments, this router enables efficient connectivity between local LAN networks and wide area network services. Maintenance teams, network administrators, and system integrators use this router for branch network deployment, infrastructure upgrades, replacement of legacy routing equipment, and expansion of secure enterprise WAN connectivity.

Applications:

The Cisco 1921-SEC/K9 router is used in branch and enterprise network environments where secure routing and reliable WAN connectivity are required. It is commonly deployed in small offices, retail stores, financial institutions, and distributed enterprise networks to connect local networks to internet or private WAN services while providing integrated firewall and security capabilities.

Technical Specifications:

• Manufacturer Part Number (MPN): 1921-SEC/K9
• Brand: Cisco
• Product Type: Integrated Services Router
• Series: Cisco ISR G2 1900 Series
• WAN Ports: 2 × 10/100/1000 Gigabit Ethernet ports
• Security Features: Integrated firewall, VPN, and intrusion prevention support
• Routing Protocols: BGP, OSPF, EIGRP, RIP, IPv4, IPv6
• Expansion Slots: HWIC / EHWIC module slots for additional interfaces
• Operating System: Cisco IOS
• Management Interface: CLI, Web-based management, SNMP
• Power Supply: DC power supply support
• Mounting Type: Rack Mount or desktop installation
• Deployment: Branch office and enterprise WAN edge networking

Common Replacements:

• Cisco ISR4321/K9 Integrated Services Router
• Cisco ISR4331/K9 Integrated Services Router
• Cisco C1111-4P Integrated Services Router