Cisco cBR-8 DC Power Tray — Secure Housing for DC Power Supplies

The Cisco cBR-8 DC Power Tray is a purpose-built component engineered to house DC power supplies for the Cisco cBR-8 platform. In demanding data center and telecommunications environments, power reliability is non-negotiable, and this tray delivers just that by providing a sturdy, maintenance-friendly enclosure for DC PSUs. Built to support Cisco’s high-performance networking hardware, the DC Power Tray is crafted to maximize uptime, simplify power provisioning, and improve overall system resilience. Its robust construction, thoughtful cable management, and efficient airflow design help data centers maintain consistent performance even under peak load, making it an essential piece of the Cisco cBR-8 power architecture. Whether you’re expanding an existing deployment, updating power redundancy, or designing a new network core, this tray lays a solid foundation for dependable power delivery and streamlined operations.

• Optimized power delivery: Secure housing for DC power supplies ensures clean, stable power to the Cisco cBR-8 network chassis, reducing ripple, improving efficiency, and supporting consistent performance across the system.
• Redundant, hot-swappable PSUs: Supports redundancy and hot-swapping of DC power supplies so maintenance or component replacement minimizes downtime and keeps critical services online.
• Standard rack compatibility: Designed for easy integration into standard 19-inch racks, enabling seamless placement within existing data-center cabinets and telecom closets.
• Modular and serviceable design: Clear labeling, modular PSU bays, and accessible components make installation, diagnosis, and routine maintenance faster and less disruptive.
• Enhanced cooling and airflow management: Ventilated panels and optimized airflow paths help maintain safe operating temperatures, protecting power components and the overall network health.

Technical Details of Cisco cBR-8 DC Power Tray

• Platform compatibility: Specifically engineered for the Cisco cBR-8 chassis and its power architecture to ensure seamless integration.
• Power configuration: DC power supply housing designed to accommodate Cisco DC PSUs and related power-management components.
• Mounting and enclosure: 19-inch rack-mountable enclosure with a rugged metal chassis built for data-center environments.
• Construction and finish: Heavy-duty steel construction with protective finishes to withstand rack-installation wear and environmental factors.
• Cooling and ventilation: Strategically placed vents and airflow-optimized panels to promote passive cooling within the rack.
• Safety and compliance: Typical industry certifications for rack-mount electrical hardware (e.g., UL and CE) aligned with standard data-center equipment expectations.
• Maintenance features: Hot-swappable DC power supplies, clearly labeled connectors, and accessible service points to minimize mean time to repair.

How to install Cisco cBR-8 DC Power Tray

Install the Cisco cBR-8 DC Power Tray with attention to power reliability, safety, and clean cable management. The following steps outline a straightforward process that minimizes downtime while ensuring a robust power layout for your Cisco device.

• Power down the Cisco cBR-8 chassis and disconnect all live power sources to prevent accidental energization during installation.
• Prepare the rack by confirming adequate space and ensuring the 19-inch rails are properly installed and aligned to support the tray’s weight and mounting points.
• Position the DC Power Tray into the rack chassis area, aligning it with the mounting rails. Begin fastening with suited screws or hardware recommended for your cabinet and environment.
• Install DC power supplies into the tray bays if they are not pre-installed, ensuring each module seats firmly and engages any latch mechanisms designed for hot-swapping.
• Route DC input cables from your DC power sources to each PSU bay, using clean, organized cable management. Adhere to correct polarity and cable protection practices to prevent strain or interference with airflow.
• Connect the DC power tray to the Cisco cBR-8 chassis as specified by your deployment guide, ensuring proper ground and interconnect signaling for power-sharing and management integration.
• Power on the system and verify PSU status indicators. Confirm that redundant PSUs are recognized by the chassis and monitor for any fault indications from the management interface.
• Conduct a basic power-on self-test (POST) if your environment supports it and validate that the cBR-8 receives stable DC power with expected voltage levels.
• Document installation details in your change-management logs and perform a final inspection of cabling, airflow clearance, and physical security of the mounted tray.

Frequently asked questions

• Q: What is the primary function of the Cisco cBR-8 DC Power Tray?
  A: It provides a dedicated, secure enclosure for the DC power supplies that power the Cisco cBR-8 chassis, delivering reliable, redundant power to the network infrastructure.
• Q: Does the DC Power Tray support hot-swappable power supplies?
  A: Yes. The tray is designed to accommodate hot-swappable DC power modules, enabling maintenance without interrupting active network services.
• Q: Is the DC Power Tray compatible with other Cisco platforms?
  A: This tray is specifically designed for the Cisco cBR-8 platform. For compatibility with other models, consult Cisco’s official documentation or product compatibility guides.
• Q: What type of rack is required?
  A: The tray is designed for standard 19-inch racks commonly used in data centers and telecom cabinets, ensuring straightforward integration with existing infrastructure.
• Q: Are safety certifications included?
  A: The DC Power Tray typically carries relevant safety certifications such as UL and CE, aligning with industry standards for rack-mounted electrical components.