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Cisco

Cisco PWR-2921-51-POE | AC PSU w/ PoE enable | For 2921/2951 routers | 100–240V | 802.3af/at support

SKU:PWR-2921-51-POE

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Description

AC power supply for 2921/2951 router chassis with PoE enable capability, providing system power and PoE power for supported Ethernet switch modules/ports. Ideal for branch deployments consolidating routing and powered access in one platform.

Features

- Single supply powers system and PoE-capable modules
- Global AC input for flexible deployment
- Adds PoE for branch access ports hosted on the router
- Status LEDs for quick diagnostics

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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FAQs

Technical Specifications

FAQs

Q: Does this alone provide PoE to every router port?
A: It enables PoE for supported Ethernet switch modules/ports; not all router interfaces are PoE-capable.

Q: What is the available PoE budget?
A: Budget depends on the chassis and installed modules; consult the platform documentation for exact limits.

Q: Can it be used without PoE modules installed?
A: Yes. It powers the chassis and can also provide PoE when compatible modules are present.

Q: Is it hot-swappable?
A: No. Replace with the unit powered down.

Technical Specifications

- Power type: AC power supply with PoE capability
- Input: 100–240 VAC, 50/60 Hz (auto-ranging)
- Compatibility: 2921 and 2951 router chassis
- PoE support: Enables IEEE 802.3af/at on supported switch modules/ports
- Use with: Required PoE harness/adapter per chassis configuration
- Installation: Power down recommended before service
- Status: Front-panel power/health indicators

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