Cisco AC Power Supply with POE for ISR 4321

Power, reliability, and flexibility come together in the Cisco AC Power Supply with POE for ISR 4321. This purpose-built power solution is designed to deliver dependable AC power to your Cisco ISR 4321 router while simultaneously providing PoE output to powered devices across your network. Ideal for small offices, remote branches, and branch deployments, it simplifies cabling, reduces clutter, and helps you scale your network with ease. Engineered to meet Cisco’s exacting standards, this power supply ensures stable performance, safe operation, and efficient power management for your ISR 4321 ecosystem.

• PoE capability for network devices — Power IP phones, wireless access points, cameras, and other PoE-enabled devices directly from the power supply, reducing the need for separate PoE injectors and simplifying cabling in tight spaces.
• Cisco-certified compatibility — Specifically designed for the ISR 4321 series, this AC power supply with POE meets Cisco’s safety, performance, and interoperability requirements, ensuring seamless operation with your router and network hardware.
• Energy-efficient design — Optimized power conversion and heat management minimize energy consumption while maintaining peak performance, supporting green IT initiatives and lowering operating costs over time.
• Reliable protection and uptime — Built-in surge protection, short-circuit safeguards, and fault-tolerant design shield equipment from power disturbances, helping maintain business continuity during voltage fluctuations or transient events.
• Easy installation for compact environments — Compact, space-saving form factor and straightforward installation support quick deployments, hot-swapping, and minimal downtime in busy offices or remote sites.

Technical Details of Cisco AC Power Supply with POE for ISR 4321

• Get this information from the "specifications" section of the product from https://ec.synnex.com/ using product "UPC" or "SKU" as reference

How to install Cisco AC Power Supply with POE for ISR 4321

Install this PoE-enabled AC power supply with care to maximize uptime and ensure safe operation within your Cisco ISR 4321 environment. Follow these steps to perform a clean, straightforward installation, and always refer to Cisco’s official installation guidelines for your exact chassis model and firmware version.

• Power down the ISR 4321 and disconnect all connected cables, including the network cables and the power cord, before handling internal components.
• Open the chassis or the dedicated power supply bay according to the device’s service manual and ensure you’re grounded to prevent static discharge.
• Insert the Cisco AC Power Supply with POE into the designated slot or bay, seating it firmly. If your model includes a locking mechanism, engage it until it clicks into place.
• Reconnect the AC power cord and any PoE-connected devices you intend to power through the supply. Verify that all connectors are fully seated and secure.
• Power on the ISR 4321 and verify PoE output and router operation via the management interface or console. Check the PoE status, ensure powered devices are receiving power, and confirm there are no fault indicators on the router or supply.

Frequently asked questions

• Q: Does this power supply support PoE for connected devices? A: Yes, it provides PoE output to power compatible devices such as IP phones, wireless access points, cameras, and other PoE-enabled equipment while powering the ISR 4321.
• Q: Is this power supply specifically for ISR 4321 deployments? A: It is designed for Cisco ISR 4321 deployments and is Cisco-certified to match the router’s electrical, safety, and interoperability requirements.
• Q: Can the power supply be hot-swapped? A: In supported configurations, the PoE-capable power supply is designed for safe hot-swapping to minimize downtime during maintenance or replacement.
• Q: What should I verify after installation? A: Verify PoE output levels on connected devices, confirm stable router operation, and ensure all PoE devices are receiving power as expected.
• Q: Are there safety and warranty considerations? A: Use the supplied power cable and follow local electrical codes. Cisco-certified power supplies generally come with standard manufacturer warranties and built-in safety features to protect your equipment.