CISCO2921-V/K9 ISR Expansion Slots Mini-GBIC

Overview of CISCO2921-V/K9 Router

• Port Type: Integrated Services Router
• Number of Ports: 3
• Gigabit Ethernet Support: Yes
• Interface Types:
  • 3 x RJ-45 10/100/1000Base-T WAN ports
  • 1 x RJ-45 RS-232 Auxiliary Management port
  • 2 x Type A USB ports

Expansion Capabilities

• Total Expansion Slots: 12
• Expansion Slot Breakdown:
  • 4 x HWIC (High-Speed WAN Interface Card) slots
  • 2 x CompactFlash (CF) card slots
  • 3 x PVDM (Packet Voice Digital Signal Processor Module) slots (2 free, 1 populated)
  • 1 x SFP (Small Form-Factor Pluggable) / Mini-GBIC slot

Physical Characteristics

• Rack Compatibility: 2U
• Mounting Type: Rack-mountable
• Dimensions:
  • Height: 3.50 inches
  • Width: 17.25 inches
  • Depth: 12 inches
• Weight: 29 pounds

Expansion Slots

The Cisco CISCO2921-V/K9 Integrated Services Router is a highly versatile networking solution that comes equipped with a range of expansion slots for enhanced functionality and scalability. These expansion slots allow users to easily add new modules and interfaces to meet their specific networking requirements.

Increased Flexibility and Customization

With the expansion slots featured on the Cisco CISCO2921-V/K9, users can customize their router by adding various modules to expand its capabilities. Whether it's adding more Ethernet ports, increasing WAN connectivity options, or integrating advanced security features, these expansion slots offer unmatched flexibility in tailoring the router to specific business needs.

Mini-GBIC (SFP) Support

One of the standout features of the expansion slots on this router is the support for Mini-GBIC (Small Form-Factor Pluggable) modules. Mini-GBIC, also known as SFP (Small Form-factor Pluggable), is a hot-swappable transceiver that allows for flexible and cost-effective connectivity options.

Benefits of Mini-GBIC Support

1. Versatile Connectivity: The Mini-GBIC support enables users to connect their router to a wide range of networking equipment, including switches, routers, and network interface cards. This versatility ensures seamless integration with existing infrastructure, reducing the need for additional hardware investments.

2. Modular Design: The hot-swappable nature of Mini-GBIC modules allows for easy installation and removal without interrupting network operations. This modular design simplifies maintenance and upgrades as modules can be added or replaced as needed, minimizing downtime.

3. Scalability: With Mini-GBIC support, businesses can easily scale their network infrastructure by adding more modules to accommodate growing demands. Whether it's expanding the number of Ethernet ports or increasing the range of supported protocols, this feature ensures future-proofing and scalability.

4. Cost-Effective Solution: Mini-GBIC modules offer a cost-effective solution for connecting different types of media, such as copper or fiber optic cables. Instead of investing in separate routers or switches for each media type, users can simply replace the Mini-GBIC module to adapt to different connectivity requirements, saving both time and money.

5. Interoperability: The Mini-GBIC standard is widely adopted in the industry, ensuring interoperability between various networking devices. This compatibility allows for seamless integration with other networking equipment from different manufacturers, providing users with more options and flexibility in designing their network infrastructure.

Additional Expansion Slots

In addition to Mini-GBIC support, the Cisco CISCO2921-V/K9 router also offers various other expansion slots to further enhance its capabilities. These include:

1. High-Speed WAN Interface Cards (HWIC): These slots allow for the integration of additional WAN connectivity options such as T1/E1, T3/E3, and DSL. This enables users to connect to different types of wide area networks based on their specific requirements.

2. Enhanced Service Module (SM): The SM slots provide the ability to add advanced features like additional security services, voice modules, or content filtering capabilities. This allows users to extend the functionality of their router and tailor it to their unique business needs.

3. Internal Services Module (ISM): The ISM slots enable the integration of internal services such as application acceleration or voice services directly into the router. This eliminates the need for separate hardware appliances, reducing complexity and cost.

Feature Table

The Cisco CISCO2921-V/K9 Integrated Services Router's expansion slots, particularly the Mini-GBIC support, offer users unparalleled flexibility, scalability, and cost-effectiveness in expanding their network infrastructure. Whether it's connecting to various networking equipment, accommodating future growth, or seamlessly integrating with other devices, the expansion slots provide a solid foundation for building a robust and customizable network solution.