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AXIS P8221 - Overview
Overview
This manual applies to the AXIS P8221 Network I/O Audio Module.
Key features
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Eight configurable digital I/O ports
AXIS P8221 enables remote control of I/O devices. The eight configurable input/output (I/O) ports allow devices such
as sensors and relays to be integrated into a network video system.
Superb audio quality
AXIS P8221 provides high-quality audio in simplex, half and full duplex. For improved quality, audio can be encoded in
AAC at up to 128 kbit/s with 32 kHz sampling. G.711 and G.726 are also supported.
Speaker output
AXIS P8221 offers different alternatives for audio output including line out and amplified speaker output.
Balanced microphone support
Built-in pre-amplifier and phantom power saves installation costs by allowing balanced microphones to be connected
directly to AXIS P8221.
Power over Ethernet
With support for Power over Ethernet (PoE) no extra cables are needed for power, making the installation easy and
reliable.
Control over legacy equipment
Analog equipment can be controlled via the RS-232/RS-422/RS-485 serial port.
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