HPE Networking Instant On 30W 802.3at PoE Midspan Injector

Overview

The HPE R9M77A is a midspan injector designed to add Power over Ethernet (PoE) capabilities to existing network lines without the need to replace switches or run additional power cables. It delivers up to 30 watts of power following the IEEE 802.3at standard, making it suitable for powering wireless access points, IP surveillance cameras, and VoIP phones that require both data and reliable power through a single cable. Its compact size and lightweight design allow it to fit neatly into tight spaces, helping maintain an organized workspace.

Key features

• Delivers up to 30 watts of power over a single Ethernet cable, eliminating the need for separate power adapters.
• Complies with the IEEE 802.3at PoE standard to ensure compatibility with a wide range of devices.
• Simple plug-and-play installation that requires no changes to existing network switches or internal power supplies.
• Compact external housing measuring approximately 6.1 × 8.9 × 5.1 cm and weighing 172.4 grams, ideal for space-constrained environments.
• Compatible with select HPE Aruba Networking products as well as any device supporting the 802.3at standard.
• Supports small offices, retail locations, branch offices, and home workspaces seeking professional-grade PoE without costly infrastructure upgrades.

Key specs

• Power output: up to 30 watts
• PoE standard: IEEE 802.3at
• Dimensions: 6.1 × 8.9 × 5.1 cm
• Weight: 172.4 grams
• Installation type: external midspan injector

Connectivity and compatibility

This midspan injector is designed to be placed between an existing network switch and the powered device, injecting power into the Ethernet cable while maintaining data transmission. It supports any device compliant with the IEEE 802.3at standard, including HPE Aruba Instant On access points, IP cameras, and VoIP phones. This flexibility allows it to integrate seamlessly into a variety of network setups without requiring specialized hardware.

Installation and setup

Installation is straightforward and requires no technical modifications to your current network infrastructure. Simply connect the injector between your switch and the powered device using standard Ethernet cables, then plug the injector into a power outlet. This setup eliminates the need for additional power adapters or extension cords, reducing clutter and simplifying cable management in your workspace.

Ideal uses and environments

The HPE R9M77A fits well in environments where adding PoE capabilities without upgrading switches is a priority. It is a strong choice for small offices, retail stores, branch locations, and home workspaces that need to power wireless access points, IP cameras, or VoIP phones reliably. Its compact size and ease of installation make it especially useful in areas with limited space or where a clean, organized setup is desired.