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Cisco

Cisco PWR-C4-BLANK | PSU bay blank cover for airflow and EMI control, fits 9500 Series, tool-less install

PWR-C4-BLANK

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Description

Filler module for an empty power-supply bay on 9500 Series switches. Maintains proper airflow, helps control EMI, and prevents dust ingress when a PSU slot is unused. Tool-less installation for quick field service and optimal thermal performance when operating with a single PSU.

Features

- Maintains optimal thermal airflow when a PSU slot is unused
- Reduces EMI exposure from an open bay
- Helps keep dust out of the chassis
- Tool-less, quick field installation
- Purpose-built fit for 9500 Series PSU bay

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Compatibility: Catalyst 9500 Series power-supply bay
- Purpose: Airflow management, EMI shielding, and dust protection for empty PSU slot
- Installation: Tool-less, field-replaceable
- Thermals: Preserves designed chassis airflow scheme when one PSU is installed
- Use case: Required when operating with a single PSU to maintain cooling efficiency

FAQs

Q: What does a PSU blank cover do?
A: It fills an empty power-supply bay to maintain proper airflow, reduce EMI exposure, and prevent dust ingress.

Q: Do I need a blank if I have only one PSU installed?
A: Yes. A blank cover is recommended to preserve the intended cooling airflow and system reliability.

Q: Is any cabling or power connection required?
A: No. It is a mechanical filler only and requires no power or cabling.

Q: Does the blank affect airflow direction?
A: It preserves the chassis’ designed airflow pattern; it does not change airflow direction.

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