• 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.