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IR1821-K9 New CISCO Catalyst IR1821 Rugged Router with 4 GE Ports

MPN: IR1821-K9 | UPC: 889728 318686 | CONDITION: New



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In an era where connectivity and robust networking are paramount, Cisco continues to lead the industry with innovative solutions designed to meet the diverse needs of enterprises across various sectors. The latest addition to their impressive lineup is the Cisco Catalyst IR1821-K9 Rugged Router. Tailored for harsh and demanding environments, the IR1821-K9 offers enhanced performance, security, and reliability, making it an ideal choice for industries such as manufacturing, transportation, energy, and more. This article delves into the key features, benefits, and potential applications of the Cisco Catalyst IR1821-K9 Rugged Router, highlighting why it stands out in the market.

Key Features of the Cisco Catalyst IR1821-K9

1. Robust and Rugged Design

The Cisco Catalyst IR1821-K9 is built to withstand extreme conditions, ensuring consistent performance in environments that are typically challenging for standard networking equipment. Its rugged design adheres to stringent industry standards, including IP30 protection, which guards against dust and moisture. Additionally, it operates efficiently across a broad temperature range of -40°C to +60°C, making it suitable for both indoor and outdoor deployments.

2. High-Speed Connectivity

Equipped with four Gigabit Ethernet (GE) ports, the IR1821-K9 ensures high-speed data transfer and connectivity. These ports support various configurations, including Power over Ethernet (PoE), allowing the router to power other devices directly through the Ethernet cable. This feature is particularly useful in remote or hard-to-reach locations where separate power sources for each device might not be feasible.

3. Advanced Security Features

Security is a critical aspect of any networking solution, and the Cisco Catalyst IR1821-K9 excels in this area. It incorporates advanced security protocols and features such as:

  • VPN Support: Secure remote access and site-to-site connections.
  • Firewall: Integrated firewall capabilities to protect against unauthorized access and threats.
  • Cisco Umbrella: Cloud-delivered security that provides additional layers of protection.
  • Identity Services Engine (ISE): Enhanced network access control and policy enforcement.

4. Edge Computing Capabilities

The IR1821-K9 supports edge computing, allowing data processing closer to where it is generated. This reduces latency and bandwidth usage, which is crucial for applications requiring real-time data processing and decision-making, such as industrial automation and smart city infrastructure.

5. IoT-Optimized

Designed with the Internet of Things (IoT) in mind, the IR1821-K9 can handle a high volume of connected devices. It supports multiple IoT protocols, ensuring seamless integration and communication with various sensors and devices commonly used in industrial and commercial IoT applications.

6. Flexible Deployment Options

This router offers flexible deployment options, including DIN rail or wall mounting, and supports various power input methods. Its compact form factor makes it easy to install in confined spaces, while still providing robust networking capabilities.

Benefits of the Cisco Catalyst IR1821-K9

1. Enhanced Operational Efficiency

By providing reliable and high-speed connectivity in harsh environments, the IR1821-K9 helps organizations maintain continuous operations. This reliability minimizes downtime and maintenance costs, leading to improved operational efficiency.

2. Improved Security Posture

The advanced security features of the IR1821-K9 ensure that sensitive data and critical infrastructure are protected from cyber threats. This is particularly important for industries such as energy and transportation, where a security breach could have severe consequences.

3. Scalability and Flexibility

The IR1821-K9’s ability to support a wide range of IoT devices and protocols allows organizations to scale their operations easily. Whether expanding an existing network or deploying a new one, this router provides the flexibility needed to meet changing requirements.

4. Reduced Latency and Bandwidth Usage

Edge computing capabilities enable the IR1821-K9 to process data locally, reducing the need to transmit large volumes of data to central servers. This not only lowers latency but also decreases bandwidth usage, leading to cost savings and more efficient network performance.

5. Ease of Deployment and Management

Cisco’s extensive ecosystem, including software and management tools, ensures that deploying and managing the IR1821-K9 is straightforward. Features like Cisco DNA Center provide a centralized platform for network management, making it easier to monitor and optimize network performance.

Applications of the Cisco Catalyst IR1821-K9

1. Industrial Automation

In manufacturing and industrial settings, reliable and secure networking is essential for automation and control systems. The IR1821-K9’s rugged design and high-speed connectivity support the seamless operation of machinery and equipment, enabling efficient and automated production processes.

2. Smart Transportation

For transportation systems, such as railways and public transit, the IR1821-K9 provides the connectivity needed for real-time monitoring and communication. This enhances the safety and efficiency of transportation networks, allowing for better traffic management and incident response.

3. Energy Sector

In the energy sector, including oil and gas, the IR1821-K9 supports critical infrastructure by providing secure and reliable network connectivity. Its ability to operate in extreme temperatures and harsh conditions ensures continuous operation of monitoring and control systems, which are vital for maintaining safety and efficiency in energy production and distribution.

4. Smart Cities

The IR1821-K9 is well-suited for smart city applications, where it can connect a wide array of IoT devices such as sensors, cameras, and traffic lights. This enables city authorities to collect and analyze data in real-time, improving urban planning, resource management, and public safety.

5. Remote and Outdoor Locations

For remote and outdoor locations, such as mining sites or construction areas, the IR1821-K9 provides the necessary connectivity to support communication and monitoring systems. Its rugged design ensures reliable performance despite environmental challenges, facilitating efficient operations in remote areas.

Technical Specifications

Hardware Specifications

  • Dimensions: Compact form factor suitable for DIN rail or wall mounting.
  • Weight: Lightweight for easy installation.
  • Power Options: Multiple power input methods, including PoE.
  • Operating Temperature: -40°C to +60°C.
  • Storage Temperature: -40°C to +85°C.
  • Humidity: 5% to 95% (non-condensing).
  • Ethernet Ports: 4 x GE ports (supports PoE).
  • Console Ports: 1 x RJ45.

Performance Specifications

  • Routing Performance: High throughput for efficient data transfer.
  • VPN Performance: Supports various VPN protocols for secure connections.
  • Firewall Throughput: Integrated firewall with robust throughput.
  • Maximum Connected Devices: Supports a large number of IoT devices.

Ports Layout of IR1821-K9

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Software Features

  • Cisco IOS XE: Advanced operating system with rich features.
  • Security Protocols: VPN, firewall, Cisco Umbrella, ISE.
  • Management Tools: Compatible with Cisco DNA Center, providing centralized management and monitoring capabilities.
  • IoT Protocols: Supports multiple IoT communication protocols.


The Cisco Catalyst IR1821-K9 Rugged Router is a powerful and versatile networking solution designed to meet the demands of challenging environments. With its robust design, advanced security features, and high-speed connectivity, it offers significant benefits to industries requiring reliable and secure network operations. Whether in industrial automation, smart transportation, energy, or smart cities, the IR1821-K9 ensures efficient and continuous connectivity, supporting the growing demands of modern networking and IoT applications.

Cisco’s commitment to innovation and quality is evident in the IR1821-K9, providing organizations with a reliable solution to enhance their network infrastructure. As industries continue to evolve and embrace digital transformation, the need for rugged and reliable networking equipment like the Cisco Catalyst IR1821-K9 will only become more critical.

Smart Links

Weight and dimensions for IR1821-K9?
Weight5.3 lbs
Dimensions11.04 × 8.06 × 2.20 in







889728 318686

Warranty for IR1821-K9?
  • The warranty for refurbished units is 30 days.
  • The warranty for New units is as per the manufacturer’s terms and conditions.
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