Axis Communications 0321-004 User manual
USER’S MANUAL
AXIS P8221 Network I/O Audio Module
Notices
This manual is intended for administrators and users of the AXIS P8221
Network I/O Audio Module, and is applicable for firmware release 5.10
and later. It includes instructions for using and managing the product
on your network. Previous experience of networking will be of use when
using this product. Some knowledge of UNIX or Linux-based systems
may also be beneficial, for developing shell scripts and applications.
Later versions of this document will be posted to the Axis Website, as
required. See also the product’s online help, available via the
Web-based interface.
Liability
Every care has been taken in the preparation of this manual. Please
inform your local Axis office of any inaccuracies or omissions. Axis
Communications AB cannot be held responsible for any technical or
typographical errors and reserves the right to make changes to the
product and manuals without prior notice. Axis Communications AB
makes no warranty of any kind with regard to the material contained
within this document, including, but not limited to, the implied
warranties of merchantability and fitness for a particular purpose. Axis
Communications AB shall not be liable nor responsible for incidental or
consequential damages in connection with the furnishing, performance
or use of this material.
Intellectual Property Rights
Axis AB has intellectual property rights relating to technology
embodied in the product described in this document. In particular, and
without limitation, these intellectual property rights may include one or
more of the patents listed at http://www.axis.com/patent.htm and one
or more additional patents or pending patent applications in the US and
other countries.
This product contains licensed third-party software. See the menu item
“About” in the product’s user interface for more information.
This product contains source code copyright Apple Computer, Inc.,
under the terms of Apple Public Source License 2.0 (see
http://www.opensource.apple.com/apsl/).
The source code is available from:
http://developer.apple.com/darwin/projects/bonjour/
AXIS P8221 User’s Manual
Equipment Modifications
This equipment must be installed and used in strict accordance with the
instructions given in the user documentation. This equipment contains
no user-serviceable components. Unauthorized equipment changes or
modifications will invalidate all applicable regulatory certifications and
approvals.
Trademark Acknowledgments
Apple, Boa, Bonjour, Ethernet, Internet Explorer, Linux, Microsoft,
Mozilla, Netscape Navigator, OS/2, Real, QuickTime, UNIX, Windows,
WWW are registered trademarks of the respective holders. Java and all
Java-based trademarks and logos are trademarks or registered
trademarks of Sun Microsystems, Inc. in the United States and other
countries. Axis Communications AB is independent of Sun Microsystems
Inc.
TM
is a certification mark of the UPnPTM Implementers Corporation.
UPnP
Support
Should you require any technical assistance, please contact your Axis
reseller. If your questions cannot be answered immediately, your
reseller will forward your queries through the appropriate channels to
ensure a rapid response. If you are connected to the Internet, you can:
• download user documentation and firmware updates
• find answers to resolved problems in the FAQ database. Search by
product, category, or phrases
• report problems to Axis support by logging in to your private support
area
• visit Axis Support at www.axis.com/techsup
AXIS P8221 Network I/O Audio Module User’s Manual
Copyright© Axis Communications AB, 2009
December 2009 Part no. 36575
Rev. 1.01
AXIS P8221 - Table of contents
Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Key features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Hardware overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Accessing the product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Access from a browser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Access from the Internet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Setting the root password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
The Live View page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Audio Streams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
AXIS Media Control (AMC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Alternative methods of accessing audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Setup Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Audio equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Audio Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Audio Clips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Ports & Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
I/O Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
COM Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Live View Config . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Event Servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Event Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
System Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Date & Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Advanced . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
About . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Resetting to Factory Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Unit connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
LED indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Checking the firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Upgrading the firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Symptoms, possible causes, and remedial action . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
3
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.
4
Hardware overview
Network connector (PoE)
Gain control
Control button
Power connector
Audio 2: terminal connector
Audio 1: Audio in/out
I/O terminal connectors A & B
RS-232/485/422 terminal connector
Mounting hole
LED indicators for:
microphone power,
power,
status,
network,
microphone level
Mounting hole
AXIS P8221 - Overview
For descriptions of the connectors, please refer to Unit connectors, on page 32.
5
AXIS P8221 - Accessing the product
Accessing the product
To install the AXIS P8221 Network I/O Audio Module, refer to the Installation Guide supplied with your product.
AXIS P8221 can be used with most operating systems and browsers. The recommended browsers are Internet Explorer with
Windows, Safari with Mac OSX and Firefox with other operating systems. See Technical Specifications, on page 39.
Notes:
• To access audio using Internet Explorer, set your browser to allow ActiveX controls and install AXIS Media Control
(AMC) on your workstation.
• Internet Explorer with AXIS Media Control is recommended for full functionality.
• For one-way audio, QuickTime
• The product includes one (1) AAC decoder license for accessing audio streams using AMC. The license is automatically
installed with AMC. The administrator can disable installation of the decoder, to prevent installation of unlicensed
copies.
Access from a browser
1. Start a browser (Internet Explorer, Firefox, Safari).
2. Enter the device’s IP address or host name in the Location/Address field of your browser.
To access the device from a Macintosh computer (Mac OSX), click on the Bonjour tab and select AXIS P8221 from the
drop-down list.
3. If this is the first time you access the product, see Setting the root password, on page 7. Otherwise enter your user
name and password, set by the administrator.
4. The Live View page appears in your browser.
TM
is also supported.
Note:
The layout of the Live View page depends on your browser and can also be customized to specific requirements. The
image below shows a customized Live View page in Internet Explorer; some features may differ from those displayed
on your own Live View page.
Access from the Internet
Once connected, AXIS P8221 is accessible on your local network (LAN). To access AXIS P8221 from the Internet you must
configure your broadband router to allow incoming data traffic to the device. To do this, enable the NAT-traversal feature,
which will attempt to automatically configure the router to allow access to the device. This is enabled from Setup > System
Options > Network > TCP/IP Advanced.
For more information, please see NAT traversal (port mapping) for IPv4, on page 26. See also AXIS Internet Dynamic DNS
Service at www.axiscam.net For Technical notes on this and other topics, visit Axis Support web at www.axis.com/techsup
6
AXIS P8221 - Accessing the product
To configure the password directly
via an unencrypted connection, enter
the password here.
To create an HTTPS connection,
click this button.
Setting the root password
To gain access to the product, you must set the password for the default administrator user - ‘root’. This is done in the
‘Configure Root Password’ dialog, which appears when AXIS P8221 is accessed for the first time. To prevent network
eavesdropping the root password can be set via an encrypted HTTPS connection, which requires an HTTPS certificate.
Note:
HTTPS (Hypertext Transfer Protocol over SSL) is a protocol used to encrypt traffic between web browsers and servers.
The HTTPS certificate ensures encrypted exchange of information.
To set the password via a standard HTTP connection, enter it directly in the first dialog shown above.
To set the password via an encrypted HTTPS connection, follow these steps:
1. Click the Create self-signed certificate button.
2. Provide the requested information and click OK. The certificate is created and the password can now be set securely.
All traffic to and from AXIS P8221 is encrypted from this point on.
3. Enter a password and then re-enter it to confirm the spelling. Click OK. The password has now been configured.
Notes:
• The default administrator user name ‘root’ is permanent and cannot be deleted.
• If the password for root is lost, the product must be reset to the factory default settings. See page 31.
• If prompted, click Yes to install AXIS Media Control, which gives access to the audio stream in Internet Explorer. You
will need administrator rights on the computer to do this. If using Windows Vista you must also run Internet Explorer
as administrator; right-click the Internet Explorer icon and select Run as administrator.
• If required, click the link to install the AAC decoder.
7
AXIS P8221 - Accessing the product
The Live View page
The Live View page of AXIS P8221 can be used to:
• Display the status of input ports
• Control devices connected to output ports
• Access two-way audio (listen and talk) via AXIS Media Control (Internet Explorer only)
• View an external video source via AXIS Media Control (Internet Explorer only), see View an external video source, on
page 20
• Play audio clips
If your device has been customized to meet specific requirements the buttons and other items described below may or may
not be displayed on the Live View page. The following provides an overview of each available button:
General controls
These buttons and controls are configured under Setup > Live View Config > Layout.
Input port is active/inactive
Output buttons control devices connected to the output ports directly from the Live View
page.
Pulse – Click this button to activate the output for a defined period of time, such as switching a light on for 20 seconds.
Active/Inactive – Click these buttons to manually start and stop a device connected to an
output port, e.g. switch a light on/off.
Audio clip – Audio clips can be played manually from the Live View page.
Select the audio clip from the drop-down list and click the Play button. See
Audio Clips, on page 16, for more information.
AXIS Media Control toolbar
The AXIS Media Control viewer toolbar is available in Internet Explorer only. See AXIS Media Control (AMC), on page 10 for
more information. The toolbar displays the following buttons:
The Play button connects to the Axis product and starts playing a media stream.
The Stop button stops the media stream being played.
The Record button is used to record the current media stream (video and/or audio). The location where the
recording is saved can be specified in the AMC Control Panel.
The following buttons are available when video from an external video source (see page 20) is displayed on the Live View
page:
The Snapshot button takes a snapshot of the current image. The location where the image is saved can be specified in the AMC Control Panel.
Click the View Full Screen button and the video image will fill the entire screen. Press Esc (Escape) on the computer keyboard to cancel full screen view.
8
AXIS P8221 - Accessing the product
AMC Audio controls
AMC audio buttons control the speakers and microphone connected to the client computer.
Speaker button – Click to switch the sound on or off.
Microphone button – Click to switch the sound on or off.
In Simplex - Network I/O Audio Module speaker only mode, click this button to stop sending audio to the device.
Use the sliders to control the volume of the speakers and the microphone.
Half-duplex mode
The Talk/Listen button is used to switch between sending and receiving audio. The button can be config-
ured from the Audio tab in the AMC Control panel:
• Push-To-Talk mode: Click and hold the button to talk/send, release the button to listen.
• Toggle mode: Click once to switch between talking and listening.
Simplex – Network I/O Audio Module speaker only mode
To send audio, the Talk and Microphone buttons must both be enabled. Click either button to stop audio
transmission.
9
AXIS P8221 - Audio Streams
Audio Streams
AXIS P8221 provides several audio stream formats. Your requirements and the properties of your network will determine the
type you use.
The Live View page provides access to audio streams. Other applications and clients can access audio streams directly, without
going via the Live View page.
AXIS Media Control (AMC)
AXIS Media Control (AMC) in Internet Explorer in Windows is the
recommended method of accessing audio from the product.
The AMC Control Panel can be used to configure various audio and
network settings. Please see the AXIS Media Control User’s Manual for
more information.
The AMC Control Panel is automatically installed on first use, after which
it can be configured. Open the AMC Control Panel from:
• Windows Control Panel (from the Start menu)
• Right-click above the AMC Toolbar on the Live View page and
select Settings
AXIS Media Control negotiates with the network product to determine
the transport protocol to use. Deciding which combination of protocols
and methods to use depends on your requirements, and on the properties
of your network. The order of priority, listed in the AMC Control Panel,
can be changed and the options disabled, to suit specific requirements.
Unicast RTP This unicast method (RTP over UDP) is used
for live unicast audio, especially when it is
important to always have an up-to-date
stream, even if some audio data is lost.
RTP over RTSP This unicast method (RTP tunneled over
RTSP) is useful as it is relatively simple to
configure firewalls to allow RTSP traffic.
RTP over RTSP over
HTTP
Multicast RTP This method (RTP over UDP) should be used for live multicast audio. The stream is always
This unicast method can be used to traverse
firewalls. Firewalls are commonly configured
to allow the HTTP protocol, thus allowing
RTP to be tunneled.
up-to-date, even if some audio data is lost.
Multicasting provides the most efficient usage of bandwidth when there are large numbers of clients accessing audio simultaneously. A multicast cannot however, pass a network router unless
the router is configured to allow this. It is not possible to multicast over the Internet, for example.
Note also that all multicast clients count as one unicast client in the maximum total of 20 simultaneous connections.
Unicasting is used for audio-on-demand transmission,
so that there is no traffic on the network until a client
connects and requests the stream.
Note that there are a maximum of 20 simultaneous
unicast connections.
10
AXIS P8221 - Audio Streams
Alternative methods of accessing audio
QuickTime and Windows Media Player
Simplex audio can be accessed via QuickTime and Windows Media Player by using the paths below. QuickTime supports G.711
and AAC audio encoding.
• Windows Media Player. This requires AXIS Media Control to be installed. The paths that can be used are listed below in
the order of preference:
• Unicast via RTP: axrtpu://<ip>/axis-media/media.amp
• Unicast via RTSP: axrtsp://<ip>/axis-media/media.amp
• Unicast via RTSP, tunneled via HTTP: axrtsphttp://<ip>/axis-media/media.amp
• Multicast: axrtpm://<ip>/axis-media/media.amp
• To access audio from QuickTime™ the following paths can be used:
• rtsp://<ip>/axis-media/media.amp
• rtsp://<ip>/axis-media/media.3gp
Notes:
• AXIS P8221 supports QuickTime 6.5.1 and later.
• QuickTime adds latency to the audio stream (up to 3 seconds).
• It may be possible to use other players, although Axis does not guarantee this.
• <ip> = IP address
VAPIX®
Audio streamed via RTP/RTSP can be accessed through the VAPIX® application programming interface (API). For more
information visit http://www.axis.com/techsup
11
AXIS P8221 - Setup Tools
Setup link
Setup Tools
AXIS P8221 can be configured by users with administrator or operator rights:
• Administrators have unrestricted access to all settings.
• Operators have access to Audio, Live View Config and Events.
To configure the product, click Setup in the top right-hand corner of the Live View page. Click to access the online help
that explains the setup tools.
12
AXIS P8221 - Audio
Gain adjustment
Mic level LED
Audio
Audio equipment
AXIS P8221 has two connectors, Audio 1 and Audio 2, for external audio equipment. See table below for examples of
supported audio equipment.
The Audio 2 terminal connector can power microphones requiring 48 V phantom power and has a built-in amplifier enabling
direct connection of passive speakers. The Audio 1 connector can power small electret microphones.
Please see Unit connectors, on page 32, for wiring information.
Examples of supported audio equipment
Audio 1 (3.5 mm audio jacks) Audio 2 (terminal connector)
Electret microphone
Input
Output
Notes:
• Input from Audio 1 can be combined with output from Audio 2, and vice versa
• If speakers are connected to both Audio 1 and Audio 2, the Audio 1 output will be used
Unbalanced dynamic microphone
Line in
Line out
Active speaker
Headphones
Balanced microphone
Passive speaker
Input gain adjustment (Audio 2)
The gain adjustment screw and mic level LED indicator are used to configure the input gain for microphones connected to
Audio 2.
The mic level LED indicates the strength of the sound captured by the microphone. To minimize distortions, the LED should
turn amber, but not red, at the highest sound levels.
To adjust the gain, reproduce the loudest sounds the microphone will be exposed to and simultaneously turn the gain screw
using a screwdriver until the mic level LED shows amber.
Note:
The mic level LED is enabled and disabled under Setup > Audio Settings > Audio Input.
13
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