Cisco ASR-9001-FAN-V2 Full English Description

Product Overview

Important Note: The ASR 9001 chassis supports installation of only one fan tray. OIR (Online Insertion and Removal) is supported starting with IOS XR Release 4.3.0 under defined ambient temperature limits. All replacement operations must be completed within 5 minutes after removing the fan tray; otherwise, the chassis may trigger thermal protection shutdown. Standard ESD anti-static handling procedures must be followed during installation and removal. This fan tray cannot be used on other ASR9000 series models including ASR9006, ASR9010 and ASR9900 routers.

Key Features

1. Intelligent Variable-Speed Thermal Regulation

   The fan tray dynamically adjusts rotor rotational speed based on real-time internal chassis temperature, operating altitude and overall system thermal load. Fans operate at low RPM under light traffic loads to cut power consumption and reduce acoustic noise, and automatically accelerate to increase airflow when internal temperatures rise. All environmental telemetry data is uploaded to IOS XR for unified monitoring. Compared with V1 version, the V2 model optimizes fan control logic and improves long-term operational stability.
2. Side-to-Side (Right-to-Left) Airflow Architecture

   Cool air enters the right side of the router chassis, and hot exhaust air flows out from the left chassis side. Maintain sufficient unobstructed clearance on both rack sides to avoid airflow blockage and prevent thermal hotspots.
3. OIR (Online Insertion and Removal) Support

   Engineers can perform fan tray replacement while the router remains powered and forwards live traffic (supported on IOS XR 4.3.0 and later). Operators must strictly comply with the 5-minute maintenance time limit to avoid over-temperature protection shutdown.
4. Visual Status LED & Remote Monitoring

   Front panel status LED provides intuitive local status indication:

• Solid Green: All internal fan rotors operate normally
• Solid Amber/Red: Fan fault or over-temperature alarm triggered
  IOS XR generates syslog entries and sends SNMP traps to centralized monitoring platforms immediately once fan anomalies are detected.

1. Internal Fan Redundancy

   Multiple independent fan rotors are built into a single tray assembly. If one rotor fails, remaining fans supply temporary partial cooling capacity. Administrators should arrange FRU replacement promptly to eliminate thermal operation risks.
2. Carrier-Grade Reliability

   Optimized brushless DC industrial fan assembly engineered for 24/7 continuous operation in service provider edge routing environments. The V2 revision enhances component durability and improves resistance to dust and long-term runtime aging compared with the first-generation ASR-9001-FAN.

Supported Hardware Platforms

• Cisco ASR-9001
• Cisco ASR-9001-S

Not compatible: ASR9006, ASR9010, ASR9902, ASR9903, ASR9904 and other ASR9000 series routers, Catalyst switches, Nexus switching platforms.

Typical Application Scenarios

• Service provider edge and aggregation routing deployments using ASR 9001 / ASR9001-S carrier routers running IOS XR
• Spare upgrade/replacement cooling fan tray for ASR9001 aggregation routers
• Carrier and enterprise core network infrastructure requiring hot-swappable non-disruptive hardware maintenance
• Data center edge, WAN aggregation and mobile backhaul routing environments

Technical Specifications

• Form Factor: Integrated single hot-swappable fan tray for 2RU ASR9001 chassis
• Part Number: ASR-9001-FAN-V2
• Airflow Direction: Side-to-Side (Right-to-Left)
• Predecessor Model: ASR-9001-FAN (V1)
• Hot Swappable: Yes (OIR supported with IOS XR ≥ 4.3.0)
• Monitoring: Front-panel status LED + IOS XR environmental logging & SNMP traps
• Maximum allowed maintenance window during OIR: 5 minutes
• Operating Ambient Temperature: 0°C ~ +40°C
• Compliance: UL60950-1, EN60950-1, FCC Class A, CE certified, RoHS compliant

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