Cisco C9407-FAN Full English Description

Product Overview

Important Note: This fan tray is chassis-specific hardware. It cannot be interchanged with C9404-FAN (for C9404R) or C9410-FAN (for C9410R). The tray supports servicing from both front and rear sides of the rack. Operating the switch without a properly installed fan tray triggers critical thermal alarms and may lead to permanent hardware overheating damage.

Key Features

1. Intelligent Variable Speed PWM Thermal Control

   Each built-in fan independently adjusts rotational speed based on real-time chassis temperature, operating altitude and network workload. Fans run at low RPM under light loads to reduce acoustic noise and automatically increase airflow under high thermal conditions. Multiple fan operation profiles are supported, including NEBS-compliant fan curves for carrier-grade deployments.
2. Side-to-Side Airflow Architecture

   Airflow Direction: Side-to-side airflow, the standard thermal design for Catalyst 9400 series modular switches. It ensures even air circulation across all inserted line cards and supervisor modules, suitable for enterprise wiring closets and data center hot/cold aisle containment layouts. The fan tray provides a minimum airflow of960 CFMat full speed.
3. OIR (Online Insertion and Removal) Support

   Technicians can replace the entire fan tray without powering off or rebooting the Catalyst 9407R switch. Equipped with dual ergonomic handles and captive screws, it supports convenient tool-free installation and removal from either the front or rear rack side to adapt to various cabling layouts.
4. Front Panel Visual Status LED & Remote Environmental Monitoring

   Status LED located on the front face of the fan tray offers instant local visual monitoring:

• Solid Green: All internal fans operate normally
• Solid Amber / Flashing Amber: Individual fan stall, hardware fault or abnormal thermal status
  IOS XE records environmental event logs and sends SNMP traps to centralized monitoring systems once any fan fault is detected. An integrated UHF RFID tag supports automated IT asset tracking.

1. Internal Multi-Fan Redundancy

   Twelve independent fans are deployed inside one tray. If a single fan fails, the remaining functional fans automatically ramp up speed to maintain adequate cooling capacity. Administrators must replace the fan tray promptly after any fan failure to eliminate thermal single point of failure risks.
2. Enterprise-Grade Durability

   Industrial long-life ball-bearing fan assembly engineered for 24/7 continuous operation on campus core and distribution networks. Optimized to dissipate heavy heat generated by high-density 10G/25G/40G line cards and high-power PoE/UPOE modules.

Supported Hardware Platforms

• Catalyst 9407R (7-slot modular chassis)

Not compatible: Catalyst 9404R, Catalyst 9410R, Catalyst 9200/9300 stackable switches, all Nexus 9000 data center switch platforms.

Typical Application Scenarios

• Enterprise core & distribution layer deployments built on Catalyst 9407R modular switches
• Spare replacement cooling assembly for failed fan trays on Catalyst 9407R chassis
• High-density campus networks deployed with PoE / UPOE line cards that generate substantial thermal loads
• Mission-critical LAN infrastructure requiring non-disruptive hot-swap hardware maintenance

Technical Specifications

• Form Factor: Integrated full fan tray with 12 independent fans (3 rows × 4 fans)
• Airflow Direction: Side-to-side chassis airflow
• Maximum Airflow: Minimum 960 CFM at full throttle
• Hot Swappable: Yes (OIR supported; serviceable from front and rear)
• Monitoring: Front status LED + IOS XE environmental monitoring, SNMP traps, built-in RFID asset tag
• Power Source: 12VDC power supplied by switch chassis backplane
• Operating Ambient Temperature: -5°C ~ +45°C
• Compliance: UL60950-1, EN60950-1, FCC Class A, CE certified, RoHS compliant

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