Cisco C9300-FAN3 Full English Description

Product Overview

Important Note: Do NOT confuse this unit with Catalyst C9300-FAN (for Catalyst campus switches). Its counterpart modelC9300-FAN3-Bdelivers port-side exhaust airflow with blue pull tab.Never mix fan trays of different airflow directions within one chassis. This fan tray fits original Nexus 9300 non-FX/FX2 platforms and is incompatible with newer FX/FX2/FX3 series switches.

Key Features

1. Intelligent Variable-Speed Thermal Regulation

   The fan tray automatically adjusts rotational speed according to internal chassis temperature. It runs at low RPM under light traffic loads to reduce noise, and accelerates airflow during high-temperature and heavy workload scenarios. Built-in thermal sensors feed real-time environmental data to the NX-OS operating system.
2. Port-Side Intake Airflow Architecture

   Airflow Direction: Port-side intake (Front intake → Rear exhaust). Visually marked by burgundy pull tab. It must be matched with port-intake power supplies to maintain consistent thermal design in cold aisle deployments.
3. OIR (Online Insertion and Removal) Support

   Engineers can replace faulty fan trays without powering off or rebooting the Nexus switch, minimizing service interruption for mission-critical leaf-spine and ACI/VXLAN data center fabrics. Tool-free quick-release latch simplifies installation and removal.
4. Integrated Visual Status LED Indicator

   Status LED located on the fan tray provides local real-time monitoring:

• Solid Green: Normal operating status
• Solid Amber / Flashing Amber: Fan stall, hardware failure or abnormal state
  NX-OS generates environmental logs and SNMP traps immediately once fan faults are detected.

1. N+1 Cooling Redundancy Support

   Supported Nexus 9300 chassis requires multiple fan trays. If one tray fails, remaining functional fans increase speed automatically to sustain sufficient cooling. Failed fans need timely replacement to eliminate thermal single point of failure.
2. Enterprise-Grade Durability

   Heavy-duty ball-bearing fan assembly designed for 24/7 continuous data center operation. Efficiently dissipates heat generated by switch ASICs, CPU, memory and power modules.

Supported Hardware Platforms

• Nexus 9372PX, Nexus 9372PX-E
• Nexus 9396PX, Nexus 9396PX-E
• Nexus 93128TX

Not compatible: Nexus 9300-FX/FX2/FX3 series, Catalyst 9300 campus switches, Nexus 9500 modular chassis.

Typical Application Scenarios

• Data center leaf switch deployments with standard cold-aisle rack design
• Spare replacement cooling unit for legacy original Nexus 9300 series switches
• Mission-critical VXLAN and ACI fabric environments requiring non-disruptive maintenance
• Enterprise and cloud data centers implementing standardized hot/cold aisle containment

Technical Specifications

• Form Factor: Hot-swappable integrated fan tray
• Airflow Direction: Port-side intake (front intake, rear exhaust)
• Identification Marker: Burgundy pull tab
• Hot Swappable: Yes (OIR supported)
• Operating Temperature: 0°C ~ 40°C ambient
• Management: Front status LED + NX-OS environmental monitoring & SNMP
• Power Source: 12VDC supplied by switch chassis backplane
• Compliance: UL60950-1, EN60950-1, FCC Class A, CE certified, RoHS compliant

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