Name: Power Supply / Model PSA 18U-480C with Single Port Power Injector
Brand: Cisco
Price: 23.95 USD
Availability: InStock

Cisco 34-1977-02 Power Supply / Model PSA 18U-480C with Single Port Power Injector

Overview The Cisco Power Supply PSA 18U-480C with Single Port Power Injector (part number 34-1977-02) delivers reliable, high-density power to Cisco networking equipment in rack environments up to 18U tall. Designed for seamless integration, this uni... Read More

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$23.95

In Stock: 303
Manufacturer: Cisco
Model or Part: 34-1977-02
Condition: Refurbished
Weight: 1.00lb

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Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview

The Cisco Power Supply PSA 18U-480C with Single Port Power Injector (part number 34-1977-02) delivers reliable, high-density power to Cisco networking equipment in rack environments up to 18U tall. Designed for seamless integration, this unit combines a robust 480 watt power supply with an integrated power injector, simplifying cabling and reducing overall footprint. Ideal for data centers, enterprise campuses and carrier-grade deployments, the PSA 18U-480C ensures consistent performance and easy maintenance.

Key Features

Integrated single port power injector for streamlined PoE deployments
High efficiency 480W output with low heat generation
Compact 18U form factor fits standard rack spaces
Redundant fan design for continuous cooling
Wide input voltage range 100-240V AC, supporting global installations
Built-in diagnostics and LED status indicators for quick troubleshooting
Compatible with Cisco Catalyst, Nexus and Meraki product families

Technical Specifications

Model / Part Number: 34-1977-02
Power Output: 480W total
Input Voltage: 100-240V AC, 50/60 Hz
Output Voltage: 48V DC (PoE) and 12V DC auxiliary
Efficiency: up to 94 percent
Operating Temperature: 0 to 40 deg C (32 to 104 deg F)
Storage Temperature: -20 to 70 deg C (-4 to 158 deg F)
Dimensions: 18U height, 19.5 in width, 13.5 in depth
Weight: approx 12 lbs (5.4 kg)
Connector Type: Single RJ45 PoE injector port

Typical Applications

Powering PoE access points, IP phones and wireless controllers in enterprise LANs
Supplying power to Cisco Nexus switches in data center spine-leaf architectures
Supporting Meraki cloud-managed devices in distributed branch offices
Providing redundant power for mission critical networking equipment
Enabling simplified cabling in high-density rack deployments

By combining a high-capacity power supply with an integrated PoE injector, the Cisco PSA 18U-480C delivers both performance and convenience, helping you reduce cable clutter, lower total cost of ownership and maintain uptime across your network infrastructure.