Key facts
- Brand
- AXIS
- Model
- P8221
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-06-01
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Axis P8221 Network I/O Audio Module User Manual
This manual describes the Axis P8221 Network I/O Audio Module, an eight‑port digital I/O and two‑way audio device that can be powered via PoE. It covers installation, configuration, and maintenance procedures for administrators and end users.
Key sections include an overview of hardware and features, instructions for accessing the product through a web browser, detailed audio and I/O configuration, network security settings, technical specifications, and troubleshooting guidance.
AXIS P8221 specifications
| Digital I/O ports | 8 configurable ports |
|---|---|
| Input voltage range | -40 V DC to +40 V DC |
| Output capability | Open‑drain, max load 100 mA, max voltage 40 V DC |
| Audio encoding (AAC‑LC) | 8 kHz 32 kbit/s, 16 kHz 64 kbit/s, 32 kHz 128 kbit/s |
| Power supply (DC) | 8 – 34 V DC, max 8.2 W |
| Power over Ethernet | IEEE 802.3af Class 3 |
| Dimensions | 32 × 99 × 118 mm |
| Weight | 335 g (0.74 lb) |
All AXIS P8221 documents by type
Mounting, wiring and first power-up. Read it before the hardware goes in.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
Does the device support Power over Ethernet?
Yes, the P8221 can be powered via PoE using the IEEE 802.3af Class 3 standard.
How many digital I/O ports are available?
The module provides eight configurable digital I/O ports.
Can the AXIS P8221 be installed outdoors?
No, the casing is not approved for outdoor use; the device may only be installed in indoor environments.
From: Axis P8221 Network I/O Audio Module Installation Guide
What is the default IP address if the network has no DHCP server?
The device defaults to the IP address 192.168.0.90 when no DHCP server is present.
From: Axis P8221 Network I/O Audio Module Installation Guide