Axis P8221 User Manual

4
AXIS P8221 - Overview
Overview
This manual applies to the AXIS P8221 Network I/O Audio Module.
Key features
• 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.

Axis P8221 Specifications

General

Relay Outputs	2
Digital Inputs	4
Enclosure	Plastic
Audio Output	Terminal block for one balanced audio output
Power over Ethernet	Yes
Connectors	Terminal block
Power	PoE (IEEE 802.3af)
Protocols	HTTP, HTTPS, SSL/TLS, IPv4, IPv6, Bonjour, UPnP, QoS, SNMP, RTSP, RTP, TCP, UDP, IGMP, RTCP, ICMP, DHCP, ARP, DNS
Network Interface	10/100 Mbit/s Ethernet
Output channels	2
Input type	Digital, audio
Maximum load voltage per output	30 V DC
Operating Temperature	-10 °C to 50 °C (14 °F to 122 °F)
Dimensions (alternative)	4.3 x 2.9 x 1.4 in
Weight (alternative)	0.3 lb