CISCO PWR-2921-51-POE Internal Power Supply Module Isr 51W Poe

( Brand: Cisco ), ( Manufacturer Part Number: PWR-2921-51-POE ), ( Type: Misc )

Review CISCO Internal Power Supply Module 51w Poe For 2921 Isr

The Cisco PWR-2921-51-POE is an internal power supply module designed specifically for the Cisco 2921 Integrated Services Router (ISR) series. This high-performance power supply provides 51 watts of Power over Ethernet (PoE) capability, making it an ideal choice for powering Cisco IP phones, wireless access points, and other PoE-enabled devices.

The PWR-2921-51-POE is a redundant power supply, which means it can be used in conjunction with a second power supply to provide uninterrupted power to your network devices. In the event of a power failure, the router will automatically switch to the redundant power supply, ensuring minimal disruption to your network.

This power supply module is compact and fits neatly inside the Cisco 2921 ISR, making it an excellent space-saving solution for organizations with limited rack space. It also features a robust design that ensures reliable operation in even the most demanding network environments.

The Cisco PWR-2921-51-POE is compatible with the Cisco 2921 ISR models with a power supply slot for a 51W power supply. It is designed to provide consistent power delivery to PoE devices, ensuring they operate at peak performance. The power supply also features advanced power management capabilities, which help to minimize power consumption and reduce energy costs.

In summary, the Cisco PWR-2921-51-POE is a high-performance, compact, and reliable internal power supply module that provides 51 watts of PoE capability for the Cisco 2921 ISR series. It is a redundant power supply that ensures uninterrupted power to network devices, features robust design, and advanced power management capabilities. This power supply is an excellent choice for organizations looking to power their IP phones, wireless access points, and other PoE-enabled devices while maximizing their rack space and reducing energy costs.

The Cisco PWR-2921-51-POE internal power supply module is designed for use with the Cisco 2921 ISR routers to provide Power over Ethernet (PoE) capability. Here are some pros and cons that may help you make an informed decision about whether to purchase this module:

1. PoE Capability: The primary advantage of this module is that it provides PoE capability to the Cisco 2921 ISR routers, allowing you to power devices such as IP phones, access points, and security cameras using the Ethernet cable.

2. Reduced Cabling: By providing PoE, this module reduces the need for separate power cables for devices, simplifying cabling requirements and reducing clutter.

3. Energy Efficiency: The PWR-2921-51-POE module is designed to be energy efficient, minimizing power consumption when devices are not in use.

4. Increased Flexibility: With PoE capability, you can place devices in locations where power outlets may not be readily available, increasing the flexibility of your network deployment.

1. Cost: The Cisco PWR-2921-51-POE module can be quite expensive compared to using standalone PoE injectors or switches.

2. Limited Power Budget: With a maximum power budget of 51W, this module may not be sufficient for deployments requiring high power consumption devices.

3. Compatibility: This module is only compatible with the Cisco 2921 ISR routers, limiting its applicability to other models or brands.

The Cisco PWR-2921-51-POE internal power supply module offers several advantages, including PoE capability, simplified cabling, energy efficiency, and increased flexibility. However, its high cost, limited power budget, and compatibility limitations are important considerations.

If you require PoE capability for your Cisco 2921 ISR routers and have devices with power requirements within the 51W power budget, the PWR-2921-51-POE module may be a good investment. However, if you have higher power requirements or need to support multiple models or brands, consider alternative solutions such as standalone PoE injectors or switches.

Details:

If it is not listed, does come with. Form Factor: Internal power supply module. Please see pictures for details. It means an Operating System needs to be loaded on the unit.

Our units are sold/shipped with a completely clean/wiped Hard rive so the unit will give this kind of message until an OS is loaded. Item contains the following. Features: Internal power supply module for Cisco 2921 ISR routers. Certified Quality: Tech certified and warrantied for your peace of mind.

The COA Certificate of Authenticity sticker is located on the unit and has Product Key needed to be able load that OS your. Supports up to 51W power output for PoE devices. It provides Power over Ethernet PoE capability, delivering up to 51W power compatible devices such as IP phone, wireless access points, and other PoE-enabled equipment. Box may have scratches and scuffs from storage.

Brand: Cisco. Provides Power over Ethernet PoE functionality. No COA means that the unit for sale does not contain or Product Key needed to load an Operating System on PC. Shipping costs are based on weight and off of ship-to location.

The Cisco PWR-2921-51-POE is an internal power supply module designed for 2921 ISR routers. Have a wonderful day and happy buying. It does not cover cosmetic damage or software issues. If a PC laptop and/or Desktop reads Hard rive Error Media Not Found or No Bookable Device type of message on the screen.

May show minimal wear and tear from normal use. We primarily ship items through UPS Ground for all US orders. This is not a defect in the unit. Condition: New condition in box.

part #: pwr292151 prices

• $11.98-$144.99

specifications prinopower:

• brand: Cisco
• mpn: Pwr-2921-51-poe
• type: Misc

general prinopower:

• Printers, Scanners Supplies > Printer Scanner Parts Accs > Power Supplies
• condition: New

seller prinopower:

• city: Pontiac, Illinois
• # reviews: 10628
• rating: 97.8%

shipping prinopower:

• transit: 3-6 Days
• cost: $0.00
• service: UPS Ground
• type: Fixed
• class: Standard
• carrier: UPS

offer prinopower:

• sold: 0
• options: Ship-to-home
• quantity: 1
• started: August 15, 2025
• best offers: True
• availability: In Stock

payments prinopower:

• credit card: Visa
• wallet: Google-pay
• other

returns prinopower:

• method: Money back
• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

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