Cisco C1921-3G-S-K9 1921 2 Ports ISR
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Same product also available in:
SKU/MPN | Warranty | Price | Condition | You save |
---|---|---|---|---|
C1921-3G-S-K9 | Six-Month (180 Days) | $280.00 | Excellent Refurbished | You save: $152.00 (35%) |
C1921-3G-S-K9 | Six-Month (180 Days) | Contact us for a price | Factory-Sealed New Retail in Original Box (FSB) |
Cisco C1921-3G-S-K9 Router Overview
Manufacturer Details
- Manufacturer: Cisco Systems, Inc.
- Part Number: C1921-3G-S-K9
- Product Series: 1900
- Model Number: 1921
- Product Name: 1921 Integrated Services Router
- Product Type: Router
- SKU: C1921-3G-S-K9
Interfaces and Ports
Port Configuration
- Total Ports: 2
- USB Ports: Yes
- Management Port: Yes
- Broadband Ports (RJ-45): 2
Expansion Capabilities
Expansion Slots
- Total Expansion Slots: 2
- Type of Expansion Slot: HWIC (High-Speed WAN Interface Card)
Network and Communication
Network Technologies
- Network Technology: 10/100/1000Base-T
- Ethernet Technology: Gigabit Ethernet
- VoIP Support: Not Available
Management and Protocols
Security Features
- IPSec (Internet Protocol Security)
- SSL (Secure Sockets Layer)
- AAA (Authentication, Authorization, and Accounting)
- PKI (Public Key Infrastructure)
- Content Filtering Capabilities
- L2TP v3 (Layer 2 Tunneling Protocol Version 3)
- GRE (Generic Routing Encapsulation)
Memory Specifications
Memory Details
- Standard Memory: 512 MB
- Maximum Memory: 512 MB
- Memory Technology: DRAM (Dynamic Random-Access Memory)
- Flash Memory: 256 MB
Power Requirements
Power Specifications
- PoE (Power over Ethernet) Port: Yes
- Input Voltage: 110 V AC / 220 V AC
- Power Source: Power Supply
Ports
The Cisco 1921 Integrated Services Router is equipped with 2 ports, providing users with ample connectivity options. These ports are essential for establishing and maintaining network connections, making them a crucial feature of this router.
Increased Versatility and Flexibility
With 2 ports, the Cisco 1921 Integrated Services Router offers increased versatility and flexibility to users. This means that users can connect multiple devices or networks simultaneously, enabling efficient data transfer and communication. Whether you need to connect your computers, printers, servers, or other networking devices, the 2 ports ensure that you have sufficient connectivity options.
Enhanced Network Performance
Having 2 ports allows for better network performance as it enables load balancing and link aggregation. Load balancing distributes the network traffic evenly across the available ports, preventing congestion and ensuring a smooth flow of data. Link aggregation combines the bandwidth of multiple ports, resulting in higher throughput and improved network speed.
Redundancy and Failover
One of the key benefits of having 2 ports is redundancy and failover support. With two separate ports, you can create redundant connections to ensure uninterrupted network connectivity. In case one port fails or experiences issues, the other port can take over, minimizing downtime and maintaining a reliable network connection.
Having redundancy is particularly important for businesses that rely heavily on their network infrastructure. It provides an added layer of protection against potential disruptions and ensures continuous operations.
Additional Features
The Cisco 1921 Integrated Services Router offers an array of additional features, with one notable feature being its support for 3G connectivity. This feature provides users with several benefits and is particularly valuable in certain scenarios.
Enhanced Mobility
With 3G support, the router becomes capable of connecting to cellular networks. This allows users to establish a network connection in areas where wired internet access is not available or practical. It provides enhanced mobility and flexibility, making it suitable for remote locations, temporary setups, or situations where immediate internet access is required.
Backup Connectivity
3G support also serves as a backup connectivity option. In case the primary wired connection fails or experiences disruptions, the router can automatically switch to the 3G network, ensuring continuous internet access. This backup solution is especially valuable for businesses that cannot afford downtime or rely heavily on internet connectivity for their operations.
Cost-Effective Solution
The 3G support feature can be a cost-effective solution for organizations that require internet access in multiple locations. Instead of investing in separate wired connections or relying on public Wi-Fi networks, the router can utilize 3G connectivity to establish a reliable and secure network connection. This eliminates the need for additional infrastructure and reduces ongoing expenses.
Additionally, the router's ability to support 3G connections opens up opportunities for businesses to provide internet access in remote or temporary setups, such as construction sites, mobile offices, or events. It enables businesses to stay connected and productive regardless of their location.
Sku
The SKU (Stock Keeping Unit) of the Cisco 1921 Integrated Services Router is C1921-3G-S-K9. This alphanumeric code serves as a unique identifier for the specific product variant and carries several benefits and importance for users.
Easy Identification
The SKU allows for easy identification of the Cisco 1921 Integrated Services Router model. With a unique code like C1921-3G-S-K9, users can quickly identify and differentiate this specific variant from other models in the Cisco router lineup. This ensures accurate purchasing decisions and helps users acquire the precise product they require.
Compatibility and Support
The SKU also plays a crucial role in ensuring compatibility and support. By referring to the SKU, users can verify if the router model (C1921-3G-S-K9) is compatible with their existing network infrastructure or specific requirements. Additionally, it allows users to access product-specific documentation, firmware updates, and technical support resources directly related to this particular SKU.
Streamlined Inventory Management
For businesses and organizations that deal with large inventories of networking equipment, the SKU simplifies inventory management processes. With a unique code for each product variant, it becomes easier to track and manage stock levels accurately. This ensures efficient inventory control, prevents confusion or mix-ups, and facilitates streamlined procurement processes.
Furthermore, the SKU aids in warranty and service management. By referencing the SKU, users can easily communicate their specific product variant to the manufacturer or service provider, ensuring prompt and accurate assistance when needed.
In conclusion, the Cisco 1921 Integrated Services Router's 2 ports offer increased versatility, flexibility, enhanced network performance, and redundancy. Its additional feature of 3G support provides enhanced mobility, backup connectivity, and cost-effective solutions. The SKU (C1921-3G-S-K9) ensures easy identification, compatibility, support, and streamlined inventory management. These features collectively make the Cisco 1921 Integrated Services Router a reliable and efficient choice for users in need of advanced networking capabilities.