Cisco ISR G2 1921 C1921-3G-S-SEC/K9 Ethernet Router
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Key Features of Cisco C1921-3G-S-SEC/K9
Manufacturer and Product Information
- Manufacturer: Cisco
- Part Number: C1921-3G-S-SEC/K9
- Brand: Cisco
- Product Line: Cisco Integrated Services Routers (ISR)
- Model Number: C1921
- Product Series: Cisco 1900 Series
- Product Type: 3G EHWIC EVDO Bundles with Security for Sprint Networks
- Enclosure Type: Desktop, Modular, 1U
Network Specifications for Cisco Wireless WAN Bundle Router
Network Technology
- Type: DSL Modem
- Digital Signaling Protocol: ADSL, ADSL2, ADSL2+
- Protocols & Standards: ITU G.992.1 (G.DMT), ITU G.992.3 (G.DMT.bis), ITU G.992.5
- Maximum Transfer Rate: 24 Mbps
Interfaces and Ports
Port Configuration
- 10Base-T/100Base-TX/1000Base-T Ports: 2 x RJ-45
- Serial Ports: 1 x Console
- Management Ports: 1 x Console, Mini-USB Type B
- Auxiliary Serial Port: 1 x Auxiliary
- Hi-Speed USB Port: 1 x 4-Pin USB Type A
- WAN Port: 1 x ADSL2+, RJ-11
Expansion Capabilities
Expansion Slots
- Enhanced High-Speed WAN Interface Card (EHWIC) Slots: 2
Memory Specifications
Memory Details
- RAM: 512 MB (Standard) / 512 MB (Maximum)
- Flash Memory: 256 MB (Standard) / 256 MB (Maximum)
Physical Dimensions
Size and Weight
- Width: 13.5 Inches
- Depth: 11.5 Inches
- Height: 1.7 Inches
Modular
Introduction
The Cisco ISR G2 1921 Ethernet Router is a powerful networking device designed to meet the needs of small to medium-sized businesses. One of its standout features is its modular design, which allows for easy expansion and customization. In this section, we will explore the benefits and importance of the modular feature in the Cisco ISR G2 1921 Ethernet Router.
Flexibility and Scalability
The modular design of the Cisco ISR G2 1921 Ethernet Router provides users with unparalleled flexibility and scalability. With its modular slots, users can easily add or upgrade interfaces and modules to meet their evolving networking requirements. Whether you need additional LAN ports, WAN connectivity options, or enhanced security features, the modular design allows for seamless integration of these components.
Customization
The ability to customize the Cisco ISR G2 1921 Ethernet Router through its modular design is a significant advantage for users. Every business has unique networking needs, and the modular feature enables users to tailor the router to their specific requirements. Instead of being limited by a preconfigured device, users can choose the modules that best suit their needs, ensuring optimal performance and functionality.
Future-Proofing
Investing in a network infrastructure can be a significant expense for businesses. However, with the modular design of the Cisco ISR G2 1921 Ethernet Router, businesses can future-proof their investments. As technology advances and networking needs evolve, users can simply swap out old modules for newer ones without having to replace the entire router. This not only saves costs but also ensures that businesses stay up-to-date with the latest networking capabilities.
Expandability
The expandability offered by the modular design of the Cisco ISR G2 1921 Ethernet Router is crucial for growing businesses. As a business expands, its networking requirements also grow. With the modular feature, businesses can easily add new modules to accommodate increased network traffic, additional users, and new applications. This eliminates the need for a complete overhaul of the network infrastructure, saving both time and money.
Example Scenario
Imagine a small business that initially requires basic LAN connectivity and a few WAN connections. However, as the business grows, they decide to implement VoIP telephony and video conferencing. With the modular design of the Cisco ISR G2 1921 Ethernet Router, they can simply add modules that support these features without disrupting their existing network infrastructure. This scalability allows businesses to adapt to changing technology and communication needs effortlessly.
Enhanced Security
Security is a top concern for businesses of all sizes. The modular design of the Cisco ISR G2 1921 Ethernet Router enables users to enhance their network security through specialized modules. These modules can provide features such as firewall protection, intrusion prevention, VPN connectivity, and content filtering. By adding these security modules, businesses can ensure the integrity and confidentiality of their data, protecting against potential threats.
Part Number
Introduction
The part number C1921-3G-S-SEC/K9 is a specific variant of the Cisco ISR G2 1921 Ethernet Router that offers enhanced security features. In this section, we will delve into the benefits and importance of this particular part number for users.
Enhanced Security
The C1921-3G-S-SEC/K9 variant of the Cisco ISR G2 1921 Ethernet Router is specifically designed to address the security needs of businesses. With its enhanced security features, this part number provides users with peace of mind knowing that their network is protected against various threats.
Integrated Security Services
One of the key benefits of the C1921-3G-S-SEC/K9 part number is its integration of security services. This variant includes a built-in security module that offers advanced security features such as firewall protection, intrusion prevention, and VPN connectivity. By having these security services integrated into the router itself, businesses can avoid the hassle and cost of deploying separate standalone security appliances.
Secure Connectivity
The C1921-3G-S-SEC/K9 variant also provides secure connectivity options for businesses. It supports secure remote access through VPN connectivity, allowing employees to securely connect to the network from remote locations. This is especially important for businesses with remote workers or branch offices. Additionally, the built-in firewall protection ensures that only authorized traffic is allowed into the network, preventing unauthorized access and potential data breaches.
Compliance with Regulatory Standards
Many industries have strict regulatory standards when it comes to data security and privacy. The C1921-3G-S-SEC/K9 part number helps businesses meet these compliance requirements by offering robust security features. With features like intrusion prevention and content filtering, businesses can mitigate the risk of security breaches and ensure they adhere to industry-specific regulations.
Example Scenario
Consider a healthcare organization that deals with sensitive patient information. They need a reliable network infrastructure that complies with HIPAA regulations and ensures the confidentiality of patient data. The C1921-3G-S-SEC/K9 variant of the Cisco ISR G2 1921 Ethernet Router is an ideal choice for this organization. Its integrated security services provide the necessary protection to safeguard patient information, while its compliance with regulatory standards gives the organization peace of mind knowing they are meeting their legal obligations.
Cost Savings
While security is paramount, cost is also an important consideration for businesses. The C1921-3G-S-SEC/K9 part number offers cost savings by integrating security services into the router itself. By eliminating the need for separate security appliances, businesses can reduce upfront costs and ongoing maintenance expenses. This makes the C1921-3G-S-SEC/K9 variant a cost-effective solution for businesses looking to enhance their network security without breaking the bank.
In conclusion, the modular design of the Cisco ISR G2 1921 Ethernet Router provides users with unparalleled flexibility, scalability, and customization options. It allows businesses to future-proof their investments, expand their network infrastructure effortlessly, and enhance security through specialized modules. Additionally, the C1921-3G-S-SEC/K9 part number offers enhanced security features, integrated security services, secure connectivity options, compliance with regulatory standards, and cost savings. These features make the Cisco ISR G2 1921 Ethernet Router an excellent choice for businesses seeking a reliable and secure networking solution.