Cisco Catalyst 9400 Series 48-Port PoE+ 10/100/1000 (RJ-45)

The Cisco Catalyst 9400 Series 48-Port PoE+ switch is engineered for today’s connected campus where security, IoT, mobility, and cloud services converge. Built to withstand the exponential growth of IoT devices, the ubiquity of mobile clients, and the shift to cloud-first applications, this high-density, power-over-Ethernet-enabled switch combines robust hardware with intelligent software to automate operations, safeguard endpoints, and simplify provisioning. With 48 PoE+ RJ-45 ports supporting 10/100/1000 Mbps, it powers cameras, IP phones, wireless access points, and a broad range of IoT devices while delivering scalable performance, resilient reliability, and advanced security features that protect users and data across the network. The Catalyst 9400 is designed for edge-to-core deployment, delivering consistent user experiences and centralized control in increasingly complex campus environments.

From edge access to campus-core integration, the Catalyst 9400 uses Cisco IOS XE software and open APIs to enable programmable deployments, policy-driven security, and streamlined management via Cisco DNA Center and cloud-driven orchestration. The platform emphasizes energy efficiency, automation, and simplicity—helping IT teams accelerate onboarding, enforce uniform security policies, and gain visibility across both wired and wireless connectivity. Its modular design supports future growth, allowing organizations to scale as IoT devices proliferate and cloud workloads expand, while delivering enhanced resiliency and simplified operations that reduce total cost of ownership.

• Power up devices with PoE+ on all 48 RJ-45 ports, enabling secure, synchronized power delivery for cameras, VoIP phones, wireless APs, and other IoT endpoints—reducing cabling complexity and installation time.
• Built-in edge security with device profiling, segmentation, and policy enforcement to protect users and sensitive data against evolving threats across the wired network.
• High-density, scalable architecture that supports growing IoT deployments and cloud workloads, delivering deterministic performance, low latency, and robust QoS for voice, video, and data services.
• Automation-ready with Cisco DNA Center integration, programmable APIs, and Zero-Touch Deployment workflows that shorten provisioning and improve consistency across sites.
• Resilience and reliability with redundant power options, hot-swappable components, and energy-conscious design to minimize downtime and operational costs.

Technical Details of Cisco Catalyst 9400 Series 48-Port PoE+ 10/100/1000 (RJ-45)

Note: Specifications are model- and region-dependent. For exact figures, consult the Cisco data sheet and Synex catalog for your SKU. This section highlights key capabilities relevant to security, IoT, mobility, and cloud-focused deployments.

• Model and port configuration: Catalyst 9400 Series, 48-Port PoE+ RJ-45 (10/100/1000 Mbps) endpoints supported per line card or module configuration.
• Power over Ethernet Plus (PoE+): Supports PoE+ on all eligible ports, enabling power delivery to IP cameras, phones, wireless APs, and other powered devices (subject to overall power budget and device requirements).
• Management and software: Runs Cisco IOS XE with open APIs and programmability options; designed for integration with Cisco DNA Center and other network-management ecosystems.
• Security: Includes edge-security features such as device profiling, segmentation, access control policies, and policy-based enforcement to protect users and services.
• Performance and QoS: High-throughput switching with quality of service controls, ACLs, multicast handling, and traffic prioritization to ensure reliable performance for real-time applications.
• Reliability: Features designed for enterprise resilience, including potential redundant power and cooling configurations, scalable fan options, and hot-swappable components where applicable.

How to Install Cisco Catalyst 9400 Series 48-Port PoE+ 10/100/1000 (RJ-45)

• Plan the deployment: Assess rack space in a standard 19-inch rack, confirm power availability, cooling capacity, and network topology. Determine uplink strategies and PoE budgeting for your endpoints.
• Prepare the hardware: If using a chassis-based platform, install the appropriate line cards or modules into a compatible Catalyst 9400 chassis. Ensure all components are securely seated and aligned with the chassis rails.
• Rack-mount and power: Mount the chassis in the rack and connect redundant power supplies if included. Attach power cables to a reliable power source or UPS to ensure continued operation during outages.
• Connect network cabling: Terminate 48 RJ-45 ports to end devices (cameras, IP phones, APs, sensors) and connect uplinks to core or distribution switches as required by your design. Use appropriate cable management to maintain airflow and serviceability.
• Initial configuration: Access the switch via console or management interface, configure basic settings (hostname, management VLAN, IP address), enable PoE settings per port as needed, and apply security policies. Integrate with Cisco DNA Center or your chosen management platform for centralized visibility and automation.
• Validation and tuning: Verify port status, PoE budgets, uplink connectivity, and policy enforcement using CLI commands or the management console. Test device provisioning, QoS behavior, and security controls across the network to ensure the desired performance and protection levels.

Frequently Asked Questions

• What does PoE+ mean on the 48-port switch? PoE+ provides higher power delivery per port (up to 30W per port in many configurations), enabling a wider range of powered devices such as cameras, phones, and high-power wireless access points directly over Ethernet, which simplifies deployment and reduces cable clutter. Actual power per port depends on the overall PoE budget and device requirements.
• Which management tools work with the Catalyst 9400? The switch supports Cisco IOS XE and can be managed through CLI, Cisco DNA Center for centralized network automation, and compatible third-party or cloud-based orchestration tools via APIs and standard management interfaces.
• Is this switch suitable for IoT-heavy environments? Yes. The Catalyst 9400 series is designed to handle high-density IoT deployments with features for device profiling, segmentation, and policy enforcement at the edge, helping secure diverse endpoints while maintaining performance.
• Can it integrate with cloud services? The platform is built to support modern cloud-enabled workflows, providing programmable interfaces and automation capabilities that facilitate cloud connectivity and policy management across hybrid environments.
• What about reliability and uptime? The Catalyst 9400 series emphasizes reliability, offering options for redundant power supplies and components, along with management tools that streamline monitoring and rapid remediation to minimize downtime.