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Cisco ISR4221/K9-RF 4221 Router - Refurbished - 2 Ports - 3 Expansion Slots - T-carrier/E-carrier - Gigabit Ethernet - 1U Rack-mountable
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Product Features
Technical Overview
This router features two total ports, including a dedicated management port for streamlined setup and configuration control. It supports Gigabit Ethernet technology with 1000Base-T network compatibility, delivering data transfer rates up to 1000 Mbps over twisted-pair cabling.
Three expansion slots provide flexibility for adding modules or interfaces to meet evolving network demands. The router's physical characteristics include a weight of approximately 7.10 pounds, ensuring stable mounting in rack environments without excessive load.
Relevant factors for this section include Total Number of Ports, Management Port, Carrier Supported. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The Cisco 4221 Router offers practical benefits for network administrators seeking dependable performance and easy integration. Its management port enables precise control over router configuration, simplifying network setup and ongoing maintenance.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include High-Speed Connectivity, Professional Installation.
High-Speed Connectivity
Gigabit Ethernet and 1000Base-T support ensure fast data transfers, reducing latency and improving network responsiveness for business applications.
- Up to 1000 Mbps throughput
- Compatible with standard twisted-pair cables
Professional Installation
The 1U rack-mountable design allows for organized cable management and secure mounting, ideal for data centers and network cabinets.
- Saves rack space
- Enhances cable organization
Deployment / Use Cases
This router is well-suited for small to medium-sized businesses requiring reliable WAN connectivity with carrier-grade support. It can serve as a primary edge router in offices, branch locations, or telecommunications setups where T-carrier or E-carrier links are utilized.
Common applications include connecting multiple PCs in a wired network to share internet access and files, supporting email servers, and facilitating secure data transfers between locations. Its expansion slots allow for customization with additional interfaces or security modules, adapting to specific network requirements.
Relevant factors for this section include Total Number of Ports, Management Port, Carrier Supported. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Physical Profile
The router's dimensions of 1.72 inches in height, 12.70 inches in width, and 10 inches in depth make it a compact yet robust addition to any rack setup. Its weight of 7.10 pounds ensures it remains securely mounted without requiring additional support. The rack-mountable form factor includes standard mounting hardware compatibility, facilitating quick installation in 19-inch racks.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 1.72" (43.70 mm), 12.70" (322.60 mm), 10" (254 mm), 7.10 lb (3220 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 12.70" (322.60 mm)
- Depth
- 10" (254 mm)
- Height
- 1.72" (43.70 mm)
- Weight
- 7.10 lb (3220 g)
Highlights
- Refurbished Cisco 4221 Router with 90-day limited warranty
- Two total ports including a management port for configuration control
- Supports T-carrier and E-carrier connections for WAN flexibility
- Three expansion slots for adding modules or interfaces
- Gigabit Ethernet technology with 1000Base-T network support
- 1U rack-mountable form factor for space-efficient deployment
- Compact dimensions: 1.72" H x 12.70" W x 10" D
- Weight of 7.10 lb for stable rack mounting
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | ISR4221/K9-RF |
| Brand Name | Cisco |
| Product Series | 4000 |
| Product Model | 4221 |
| Product Name | 4221 Router |
| Product Condition | Refurbished |
| Product Type | Router |
| Interfaces/Ports | |
| Total Number of Ports | 2 |
| Management Port | Yes |
| Media & Performance | |
| Carrier Supported | T-carrier/E-carrier |
| I/O Expansions | |
| Total Number of Expansion Slots | 3 |
| Network & Communication | |
| Ethernet Technology | Gigabit Ethernet |
| Network Technology | 1000Base-T |
| Physical Characteristics | |
| Compatible Rack Unit | 1U |
| Form Factor | Rack-mountable |
| Height | 1.72" (43.70 mm) |
| Width | 12.70" (322.60 mm) |
| Depth | 10" (254 mm) |
| Weight (Approximate) | 7.10 lb (3220 g) |
| Warranty | |
| Limited Warranty | 90 Day |
FAQ
What is the total number of ports on this Cisco router?
The Cisco ISR4221/K9-RF 4221 Router has two total ports. This includes a dedicated management port that allows administrators to control the router's setup and configuration, providing streamlined access for network management tasks without interfering with data traffic.
Does this router support T-carrier and E-carrier connections?
Yes, this router supports both T-carrier and E-carrier connections. This carrier support makes it suitable for telecommunications and enterprise environments where these WAN technologies are used, enabling reliable connectivity for data transfer over dedicated lines.
How many expansion slots are available on the Cisco 4221 Router?
The router features three expansion slots. These slots provide flexibility for adding modules or interfaces, such as additional network ports or security features, allowing the router to adapt to evolving network requirements and customization needs.
What Ethernet technology does this router use?
This router uses Gigabit Ethernet technology with 1000Base-T network support. It delivers data transfer rates up to 1000 Mbps over standard twisted-pair cabling, ensuring high-speed connectivity for network traffic and reducing latency in business applications.
Is the Cisco 4221 Router rack-mountable?
Yes, the router has a 1U rack-mountable form factor. It is designed to fit into standard 19-inch server racks, with dimensions of 1.72 inches in height, 12.70 inches in width, and 10 inches in depth, making it ideal for organized installation in data centers or network closets.
What warranty comes with this refurbished router?
This refurbished Cisco router includes a 90-day limited warranty. The warranty covers defects in materials or workmanship, providing assurance of reliability and support for a specified period after purchase, which is common for refurbished networking equipment.
| Qty | Price | Available |
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