Cisco ISR4321 Gigabit Router ISR4321/K9 No Clock BUG Issue, NO POWER ADAPTER!

Description:

The Cisco ISR4321/K9 Integrated Services Router is used in enterprise networking systems to provide secure WAN connectivity, routing services, and network traffic management for branch office infrastructures. It integrates routing, security, and application services into a single platform designed to support reliable data communication between corporate networks and wide area networks. Commonly installed in branch offices, enterprise network closets, retail locations, and small campus environments, this router enables stable network connectivity for business operations and remote communication. Maintenance teams and network administrators use this router for network infrastructure deployment, replacement of failed routing equipment, expansion of branch connectivity, and integration of secure WAN communication services.

Applications:

The Cisco ISR4321/K9 router is used in enterprise and branch networking environments where secure routing and WAN connectivity are required. It is commonly deployed in corporate branch offices, retail network infrastructures, financial institutions, and distributed enterprise locations to connect local networks to centralized data centers or cloud services. The router supports secure communication between internal networks, remote users, and external internet connections while maintaining reliable routing performance and traffic management for business-critical network operations.

Technical Specifications:

• Manufacturer Part Number (MPN): ISR4321/K9
• Product Type: Integrated Services Router
• Series: Cisco ISR 4000 Series
• WAN/LAN Ports: 2 × 10/100/1000 Gigabit Ethernet Ports
• Expansion Slots: Network Interface Module (NIM) support
• USB Ports: 2 × USB 2.0 Ports
• Console Port: RJ-45 Console Management Port
• Security Features: Integrated firewall, VPN, and security services support
• Routing Protocols: Supports advanced Layer 3 routing protocols
• Rack Mountable: Yes (1RU form factor)
• Power Requirement: External power adapter (not included in this unit)
• Condition Note: Unit has clock bug issue and is sold without power adapter

Common Replacements:

• Cisco ISR4331/K9 Integrated Services Router
• Cisco ISR4351/K9 Integrated Services Router
• Cisco ISR4221/K9 Integrated Services Router