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Cisco

Cisco NC55-900W-DCFW-HD | 900W DC PSU | port-side intake (front-to-back) | hot-swap | for NCS 55A2/5500

NC55-900W-DCFW-HD

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Description

900W DC hot-swappable power supply module with port-side intake (front-to-back) airflow for NCS 55A2/5500 platforms. Suited for -48V telecom power plants and high-availability installations requiring front-to-back cooling.

Features

- Telecom-grade -48V DC input for carrier environments
- Hot-swappable for rapid field replacement
- Port-side intake airflow for front-to-back cooling
- Supports redundant power configurations
- Robust design for continuous operation

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

- Power rating: 900W
- Input: DC -48 to -60 V nominal (telecom DC)
- Airflow: port-side intake (front-to-back)
- Form factor: hot-swappable PSU module
- Platform compatibility: NCS 55A2 / NCS 5500 (model-dependent)
- Redundancy: supports N+1/2N designs when multiple PSUs are installed (platform-dependent)

FAQs

Q: What DC voltage does it require?
A: Nominal -48 VDC (telecom), typically operable within the -48 to -60 VDC range.

Q: Can I mix DC and AC PSUs in the same chassis?
A: No, mixing AC and DC power supplies in one chassis is not supported.

Q: Is the airflow reversible?
A: No, select the airflow direction that matches your chassis and site policy.

Q: Is it hot-swappable?
A: Yes, it supports hot-swap replacement following proper safety procedures.

Q: What cabling is required?
A: Use appropriately gauged DC leads and follow your chassis installation guide for polarity and lugs.

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