The Axis P8221 Network I/O Audio Module enhances your network video surveillance system with advanced I/O and audio capabilities. Designed for seamless integration, it features eight configurable digital I/O ports, high-quality two-way audio, and built-in pre-amplification, providing both functionality and cost savings for your installation. With support for balanced microphones and control over legacy equipment, the Axis P8221 is a versatile solution for modern surveillance needs.
Axis 0321-021 P8221 Network I/O Audio Module Features
- Configurable I/O Ports: Eight digital I/O ports can be set as inputs or outputs, enabling connection to sensors like door switches and smoke detectors, enhancing your security capabilities.
- High-Quality Audio: Supports two-way audio encoded in AAC at up to 128 kbit/s with 32 kHz sampling, ensuring clear communication and monitoring.
- Speaker Output: Allows for external speaker integration, facilitating announcements or alerts in your surveillance area.
- Balanced Microphone Support: Built-in pre-amplifier and phantom power eliminate the need for external power solutions, reducing installation costs.
- Power over Ethernet (PoE): Simplifies installation by providing power and data over a single cable, reducing clutter and setup time.
- Legacy Equipment Control: Enables control of older devices, ensuring compatibility and extending the life of your existing infrastructure.
Axis 0321-021 P8221 Detailed Specifications
| Model | Axis P8221 Network I/O Audio Module |
| Digital I/O Ports | 8 configurable ports |
| Audio Quality | AAC up to 128 kbit/s, 32 kHz sampling |
| Microphone Support | Balanced with adjustable gain |
| Power Supply | Power over Ethernet (PoE) |
| Speaker Output | Yes |
| Dimensions | Standard compact size |
| Weight | Lightweight for easy installation |



















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