Cisco PWR-C1-BLANK Full Official Product Description
1. Part Number & Naming Definition
Official Full Name
Cisco Config 1 Power Supply Slot Blank Filler Panel
SKU:PWR-C1-BLANK
Naming Breakdown
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PWR: Power supply bay accessory
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C1: Config 1 standard form factor matching Catalyst 3850 power supply modules
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BLANK: Empty filler panel with no power conversion hardware
Critical Note: This is a passive blank filler (no power circuit, no fan). Mandatory to occupy unused PSU slots to maintain chassis airflow integrity. Cannot substitute for operational power supply modules.
2. Core Product Overview
The PWR-C1-BLANK is a hot-pluggable passive filler panel engineered to occupy vacant Config 1 power supply bays on supported Cisco switches. It seals empty power supply openings to preserve designed chassis air cooling pathways, block dust and debris ingress, and comply with thermal operating specifications. The panel adopts the identical mechanical form factor and latch mechanism as all Config 1 AC and DC power supplies for seamless insertion and removal.
Deployment Guidance: Cisco requires a blank filler to be installed in every unoccupied power supply slot. Running the switch with an uncovered empty bay disrupts cooling airflow, risks component overheating and voids proper thermal compliance.
Core Product Positioning
The Cisco PWR-C1-BLANK is a mandatory chassis accessory for Catalyst 3850 fixed access switches. It is supplied factory-installed in the secondary power supply slot for units shipped with a single power supply. Deployed in enterprise campus, branch, and service provider networks to sustain reliable thermal performance when operating in non-redundant single-power configurations.
3. Hardware Compatibility
Supported Host Platforms
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Cisco Catalyst 3850 Series fixed-port switches (all models)
Unsupported Platforms
Catalyst 9300 / 9300X, Catalyst 9200, Catalyst 3650, Meraki MS series, ISR, ASA and all non-Config1 chassis. Not interchangeable with Config3 blank panels.
4. Physical & Mechanical Specifications
Mechanical Characteristics
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Form Factor: Standard Config 1 power supply module footprint
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Construction: Metal reinforced chassis filler with front faceplate
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Installation: Hot-swappable; tool-free captive latch
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No internal electronics, no power circuitry, no cooling fan
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No LED indicators, no monitoring interfaces
Physical Dimensions
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Dimensions (H × W × D): 40.1 × 82.6 × 309 mm (1.58 × 3.25 × 12.2 inch)
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Approximate Unit Weight: 0.25 kg (0.55 lb)
Environmental Specifications
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Operating Temperature: -5 °C ~ +45 °C
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Storage Temperature: -40 °C ~ +70 °C
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Operating Humidity: 5% – 95% non‑condensing
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Maximum Operating Altitude: 3048 m (10,000 ft)
5. Key Functional Features
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Preserves engineered chassis airflow and thermal management
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Blocks dust, foreign particles and airflow short-circuiting inside the switch
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Tool-free insertion matching Config1 power supply insertion procedure
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Uniform front panel aesthetics matching other power supply modules
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Complies with Cisco thermal operating requirements for single-power deployments
6. Typical Deployment Scenarios
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Fill unused secondary power supply slot on Catalyst 3850 single-power switch deployments
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Spare replacement blank for lost or damaged factory-installed filler panels
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Temporary filler during power supply maintenance or upgrade procedures
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Standard configuration for non-redundant access layer switch rollouts
7. Regulatory & Compliance Certifications
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Safety: UL 60950-1, IEC 60950-1
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Environmental: RoHS compliant
8. Standard Factory Package Contents
1 × Cisco PWR-C1-BLANK blank filler panel
Installation quick reference documentation
Model Comparison Reference
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PWR-C1-BLANK: Passive filler panel for vacant Config1 PSU bays
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PWR-C1-350WAC / PWR-C1-715WAC / PWR-C1-1100WAC series: Functional AC power supplies
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PWR-C1-440WDC / PWR-C1-715WDC series: Functional DC telecom power supplies
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PWR-C3-BLANK: Separate blank filler for Catalyst 3850 Config3 power supply slots (not cross-compatible)
UNSPSC Classification Code
43211702 – Network equipment internal chassis accessories
Hardware Warranty
Genuine Cisco original hardware carries Cisco standard one-year hardware warranty. Refurbished units follow supplier warranty terms.
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