Cisco Catalyst IE-9320-16P8U4X-A – Industrial Ethernet Switch for High-Power, High-Speed, Mission-Critical Networks

The Cisco Catalyst IE-9320-16P8U4X-A is a next-generation industrial Ethernet switch engineered for factories, utilities, transportation systems, energy networks, and smart-city infrastructures that demand uncompromised reliability and high-performance connectivity. With a rugged design, advanced security, powerful PoE capabilities, and flexible 10G uplinks, this switch delivers the speed, power, and intelligence required for modern Industry 4.0 environments.This landing page highlights everything you need to know to evaluate, compare, and confidently choose the IE-9320-16P8U4X-A as your industrial switching platform.

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Engineered for the Harshest Industrial Conditions

The IE-9320-16P8U4X-A is built for environments where vibration, electrical noise, extreme temperatures, and physical stress are part of the everyday reality. It offers industrial-grade durability with long operational life cycles, making it ideal for mission-critical installations that cannot afford downtime.Where it excels:

• Manufacturing & automated production lines
• Upstream/midstream oil & gas
• Electrical substations and grid distribution
• Intelligent transportation systems
• Smart city and urban infrastructure
• Ruggedized IoT and edge computing deployments

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High-Density Downlinks with Intelligent PoE Power

This model features 16 Gigabit Ethernet PoE+ ports and 8 Multigigabit 2.5G ports with 4PPoE support—delivering up to 90W per port for power-hungry industrial devices.This allows the switch to support a wide range of connected systems without additional power hardware:

• Industrial wireless access points
• High-power IP cameras
• IoT sensors and controllers
• Digital displays and HMI devices
• Automation equipment
• Edge computing modules

With a flexible 720W PoE budget, the switch is ready for even the most demanding multi-device environments.

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High-Speed 10G Uplinks for Advanced OT/IT Convergence

To handle continuously growing data and bandwidth requirements, the IE-9320-16P8U4X-A includes four 10G SFP+ uplinks, enabling:

• Faster aggregation to the network core
• Low-latency connections for industrial control systems
• Improved throughput for video, sensor data, and edge analytics
• Future-proof scaling for large-scale deployments

Whether you’re modernizing a plant floor or building a new smart infrastructure, these uplinks ensure long-term capacity and performance.

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Designed for Scalability with Hardware Stacking

The IE9300 series supports hardware-based stacking, allowing multiple switches to operate as one unified system.You gain:

• Simplified management
• Increased network redundancy
• High availability
• Seamless expansion as your facility grows

This is especially valuable for distributed industrial networks where uptime is critical and control must remain centralized.

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Enterprise-Grade Security for Industrial Deployments

Cybersecurity is one of the biggest challenges facing modern industrial networks. This switch includes security features originally developed for enterprise networks and adapted for OT environments:

• MACsec encryption
• Secure Boot and image signing
• Runtime integrity checking
• Zero-trust segmentation
• Policy-based device authentication
• Cyber Vision visibility and threat detection

With rising threats against critical infrastructure, these protections are essential—not optional.

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Cisco Catalyst IE-9320-16P8U4X-A – Technical Specification Sheet

Category	Specification
Model	Cisco Catalyst IE-9320-16P8U4X-A
Product Series	Cisco Catalyst IE9300 Rugged Series
Switching Capacity	Up to 120 Gbps
Forwarding Rate	Up to 90 Mpps
Total Ethernet Ports	28
Downlink Ports	16 × 1G Gigabit Ethernet (PoE+)8 × 2.5G Multigigabit (4PPoE)
Uplink Ports	4 × 10G SFP+ fiber ports
PoE Support	PoE+ (30W per port on 16 ports)
4PPoE Support	Up to 90W per port on 8 Multigig ports
PoE Power Budget	Up to 720W (power supply dependent)
MAC Address Table	32,000 entries
DRAM	8 GB
Flash Storage	16 GB
Packet Buffer	High-performance buffer for industrial workloads
Operating System	Cisco IOS XE
Security Features	MACsec encryptionZero-trust architectureSecure BootImage signingRuntime verification
Stacking Support	Yes – hardware-based stacking
Management Interfaces	CLI, Web UI, NETCONF, RESTCONF, gNMI
Industrial Compliance	High vibration & shock toleranceElectromagnetic noise resistanceExtended temperature operation
Redundancy	Dual redundant power inputs
Mounting Options	DIN-rail or panel mounting (varies by configuration)
Typical Deployments	Manufacturing, utilities, transportation, energy networks, smart cities
Use Case Strengths	High-density PoE, Multigigabit support, secure OT/IT convergence, 10G backbone uplinks
Form Factor	Ruggedized, fanless industrial enclosure
Software Features	Advanced routing & switchingAutomation supportTelemetry & analyticsContainer-based app hosting

Why Choose This Model?

The IE-9320-16P8U4X-A is ideal for organizations seeking:

• High-density PoE deployment
• Multigigabit support for modern industrial access points
• Superior uplink bandwidth
• Ruggedized design with guaranteed longevity
• Cybersecure architecture for critical OT networks
• Easy scaling and centralized management

It combines the rugged durability of industrial switches with the intelligence and speed of Cisco’s enterprise-class Catalyst family—making it one of the strongest industrial networking platforms available.

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Frequently Asked Questions (FAQs)

1. Is the IE-9320-16P8U4X-A suitable for continuous 24/7 industrial operation? Yes. It is specially designed for nonstop operation in harsh and demanding industrial environments.2. Does the switch support advanced industrial protocols? Yes. It is compatible with industrial automation systems and supports features ideal for SCADA, IEC standards, and time-sensitive applications.3. Can the switch be stacked with other IE9300 models? Yes. It supports hardware stacking for simplified management and redundancy.4. What type of power devices can the 4PPoE ports support? They can support devices up to 90W per port, including high-end wireless APs, PTZ cameras, and heavy industrial IoT equipment.5. What software does the switch run? It runs Cisco IOS XE, providing automation, security, telemetry, and containerized app support.For more information you can view the datasheets for CISCO IE9300 here.