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Axis 214 PTZ [48/53] Axis 214 ptz
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AXIS 214 PTZ
settings, this will, for many devices, completely reset any settings that
were changed by the user.
Firewall - A firewall works as a barrier between networks, e.g.
b
etween a Local Area Network and the Internet. The firewall ensures
that only authorized users are allowed to access the one network from
the other. A firewall can be software running on a computer, or it can
be a standalone hardware device.
Focal length - Measured in millimeters, the focal length of a camera
le
ns determines the width of the horizontal field of view, which in
turn is measured in degrees.
FTP (File Transfer Protocol) - An application protocol that uses the
T
CP/IP protocols. It is used to exchange files between
computers/devices on networks.
Frame - A frame is a complete video image. In the 2:1 interlaced
sc
anning format of the RS-170 and CCIR formats, a frame is made up
of two separate fields of 262.5 or 312.5 lines interlaced at 60 or 50 Hz
to form a complete frame, which appears at 30 or 25 Hz. In video
cameras with a progressive scan, each frame is scanned line-by-line
and not interlaced; most are also displayed at 30 and 25 Hz.
Frame rate - The frame rate used to describe the frequency at which
a
video stream is updated is measured in frames per second (fps). A
higher frame rate is advantageous when there is movement in the
video stream, as it maintains image quality throughout.
Full-duplex - Transmission of data in two directions simultaneously.
In
an audio system this would describe e.g. a telephone systems.
Half-duplex also provides bi-directional communication, but only in
one direction at a time, as in a walkie-talkie system. See also Simplex.
Gain - The amplification factor and the extent to which an analog
a
mplifier boosts the strength of a signal. Amplification factors are
usually expressed in terms of power. Decibel (dB) is the most common
way of quantifying the gain of an amplifier.
Gateway - A gateway is a point in a network that acts as an entry
p
oint to another network. In a corporate network for example, a
computer server acting as a gateway often also acts as a proxy server
and a firewall server. A gateway is often associated with both a
router, which knows where to direct a given packet of data that
arrives at the gateway, and a switch, which furnishes the actual path
in and out of the gateway for a given packet.
GIF (Graphics Interchange Format) - GIF is one of the most common
file fo
rmats used for images in web pages. There are two versions of
the format, 87a and 89a. Version 89a supports animations, i.e. a short
sequence of images within a single GIF file. GIF89a can also be
specified for interlaced presentation.
GOV (Group Of VOPs) - A group of VOPs is the basic unit of an
M
PEG-4 video stream. The GOV contains different types and numbers
of VOPs (I-VOPs, P-VOPs) as determined by the GOV length and GOV
structure. See also VOP.
GOV length - The GOV length determines the number of images
(VOPs) in the
GOV structure. See also GOV and VOP.
GOV structure - The GOV structure describes the composition of an
MP
EG-4 video stream, as regards the type of images (I-VOPs or
P-VOPs) included in the stream, and their internal order. See also
GOV and VOP.
Half-duplex - See Full-duplex.
HTML (Hypertext Markup Language) - HTML is the set of "markup"
sym
bols or codes inserted in a file intended for display in web
browser. The markup tells the browser how to display the page's
words and images for the user.
HTTP (Hypertext Transfer Protocol) - HTTP is the set of rules for
e
xchanging files (text, graphic images, sound, video, and other
multimedia files) on the web. The HTTP protocol runs on top of the
TCP/IP suite of protocols.
Hub - A (network) hub is used to connect multiple devices to the
ne
twork. The hub transmits all data to all devices connected to it,
whereas a switch will only transmit the data to the device it is
specifically intended for.
IEEE 802.11 - A family of standards for wireless LANs. The 802.11
s
tandard supports 1 or 2 Mbit/s transmission on the 2.4 GHz band.
IEEE 802.11b specifies an 11 Mbit/s data rate on the 2.4 GHz band,
while 802.11a allows up to 54 Mbit/s on the 5 GHz band.
Image compression - Image compression minimizes the file size (in
bytes) of an imag
e. Two of the most common compressed image
formats are JPEG and GIF.
Interlacing - Interlaced video is video captured at 50 pictures (known
as
fields) per second, of which every 2 consecutive fields (at half
height) are then combined into 1 frame. Interlacing was developed
many years ago for the analog TV world and is still used widely
today. It provides good results when viewing motion in standard TV
pictures, although there is always some degree of distortion in the
image.
To view interlaced video on e.g. a computer monitor, the video must
first b
e de-interlaced, to produce progressive video, which consists of
complete images, one after the other, at 25 frames per second. See
also Progressive scan.
IP (Internet Protocol) - The Internet Protocol is a method
transmitting
data over a network. Data to be sent is divided into
individual and completely independent "packets." Each computer (or
host) on the Internet has at least one address that uniquely identifies
it from all others, and each data packet contains both the sender's
address and the receiver's address.
The Internet Protocol ensures that the data packets all arrive at the
intende
d address. As IP is a connectionless protocol, which means
that there is no established connection between the communication
end-points, packets can be sent via different routes and do not need
to arrive at the destination in the correct order.
Once the data packets have arrived at the correct destination, another
protocol
- Transmission Control Protocol (TCP) - puts them in the
right order. See also TCP.
IP Address - An IP address is simply an address on an IP network
used
by a computer/device connected to that network. IP addresses
allow all the connected computers/devices to find each other and to
pass data back and forth.
To avoid conflicts, each IP address on any given network must be
uniq
ue. An IP address can be assigned as fixed, so that it does not
change, or it can be assigned dynamically (and automatically) by
DHCP.
An IP address consists of four groups (or quads) of decimal digits
s
eparated by periods, e.g. 130.5.5.25. Different parts of the address
represent different things. Some part will represent the network
number or address, and some other part will represent the local
machine address.
See also IP (Internet Protoc
ol).
Infrared (IR) - Infrared radiation is radiation at a longer wavelength
tha
n visible light, which means it cannot be seen by the naked human
eye. As infrared radiation can be detected as heat, this can be shown
on a screen or captured by a digital camera, with hotter objects
showing up brighter against colder surroundings (e.g. a human body
against a colder background).
As color cameras can "see" infrared radiation as well as visible light,
the
se cameras are equipped with an IR-cut filter, to prevent distortion
of the colors the human eye can see. To use the camera in very dark
locations or at night, this filter can be removed, to allow infrared
radiation to hit the image sensor and thus produce images.
An infrared lamp can be used for improved illumination for night
s
urveillance, whilst not producing any extra visible light.
Inputs/Outputs (I/O's) - The digital I/Os on, for example, a network
came
ra can be used to connect any device that can toggle between an
open and a closed circuit.
If, for example, a door switch is used as an input devic
e, opening the
door could trigger the upload of video images and the sending of
notification messages.
An output might, for example, be used to automatically start a siren
when the
re is a motion detection trigger.
I-VOP - See VOP.
Содержание
- About this document 2
- Australia 2
- Axis communications 2
- Canada 2
- Electromagnetic compatibility emc 2
- Europe 2
- Intellectual property rights 2
- Legal considerations 2
- Liability 2
- Quick user s guide 2
- Safety notice battery replacement 2
- Safety notices used in this manual 2
- Support 2
- Trademark acknowledgments 2
- Weee directive 2
- Table of contents 3
- Product description 5
- Accessing the camera 7
- Accessing the camera from a browser 7
- Setting the password for root 7
- Accessing the camera from the internet 8
- The live view page 8
- Pan tilt zoom controls 9
- Viewer controls 9
- Ptz control queue 10
- Audio stream types 11
- Video and audio streams 11
- Video stream types 11
- Axis media control 12
- How to stream mpeg 4 12
- Mpeg 4 protocols and communication methods 12
- Accessing the audio streams 13
- Audio transmission methods 13
- Other methods of accessing the video stream 13
- Other mpeg 4 clients 13
- Accessing the setup link from a browser 14
- Configuring the camera 14
- Video image settings 15
- Advanced camera settings 16
- Overlay image 16
- Mpeg 4 17
- Axis media control 19
- Basic audio settings 20
- Advanced audio settings 22
- Layout 23
- Live view config 23
- External video 25
- Html examples 25
- Advanced calibration 26
- Advanced ctrl panel 26
- Advanced limits 26
- Control queue 26
- Guard tour 26
- Preset positions 26
- Ptz configuration 26
- Axis 214 ptz 27
- Event configuration 27
- Event servers 27
- Event servers and enter the required information for the selected server type 27
- Event type a set of parameters describing how and when the axis 214 ptz should perform cer tain actions an event type may result in a single event or it may result in many all depending on how often the conditions governing its behavior are met triggered event type an event that is activated by a specific internal or external trigger condi tion for example by motion detection or by an external device such as a door switch or a sensor scheduled event type an event that runs at a pre programmed time action what occurs when the event triggers e g the upload of video images to an ftp server or email notification 27
- For details on each setting please refer to the online help available from each web page 27
- Notification messages 27
- Terminology 27
- This section describes how to configure the axis 214 ptz for alarm and handling the axis 214 ptz can be configured to perform certain actions when certain types of events occur 27
- When the setup is complete the connection can be tested by clicking the test button the connection test will take approximately 10 seconds 27
- Event types 28
- Motion detection 29
- Scheduled events 29
- Port status 30
- Security https 31
- Security ip address filter 31
- Security users 31
- System options 31
- Security 802 x 32
- Date time 33
- Network basic tcp ip settings 33
- Network advanced tcp ip settings 34
- Network socks 35
- Network qos quality of service 36
- Network smtp email 36
- Network snmp 36
- You can activate trap reporting enter the ip address of the management server and choose the trap community to use when sending a trap message to the management system 36
- Maintenance 37
- Network bonjour 37
- Network rtp mpeg 4 37
- Network upnp 37
- Ports devices i o ports 37
- Advanced 38
- Resetting to the factory default settings 38
- Support 38
- Connecting audio equipment 39
- Connections 39
- I o inputs and outputs 39
- Schematic connection diagram 39
- Checking the firmware 40
- Troubleshooting 40
- Updating the firmware 40
- Axis 214 ptz 41
- If you contact the axis support desk please help us resolve your problems by providing a server report a log file and a brief description of the problem 41
- Logs reports the log file records events within the unit since the last restart of the system and can prove a useful diagnostic tool for troubleshooting 41
- Support 41
- Support overview the server report contains important information about the server and its software as well as a list of the current parameters 41
- Symptoms possible causes and remedial actions 41
- Axis 214 ptz 42
- For further assistance please contact your reseller or check the product s support pages on the axis website at http www axis com techsup 42
- Axis 214 ptz 43
- Technical specifications 43
- Axis 214 ptz 44
- Axis 214 ptz 45
- General performance considerations 45
- High image resolutions and or lower compression levels result in larger images bandwidth affected access by large numbers of motion jpeg and or unicast mpeg 4 clients bandwidth affected simultaneous viewing of different streams resolution compression etc by many clients frame rate and bandwidth affected accessing both motion jpeg and mpeg 4 video streams simultaneously frame rate and band width affected heavy usage of event settings affects the cpu load frame rate affected enabled motion detection frame rate and bandwidth affected heavy network utilization due to poor infrastructure bandwidth affected viewing on poorly performing client pc lowers perceived performance frame rate affected access by large number of audio clients using full duplex mode bandwidth affected 45
- Ntsc ntsc aspect ratio corrected 45
- Optimizing your system 45
- Overlay settings and the help for file naming date time formats 45
- Pal pal aspect ratio corrected 45
- The axis 214 ptz ntsc delivers the following file sizes 45
- The axis 214 ptz pal delivers the following file sizes 45
- The following factors are among the most important to consider 45
- To do this special format strings are added as part of a text overlay simply add r average frame rate in fps and or b average bandwidth in kbps to the overlay 45
- To see the bandwidth and frame rate currently required by the video stream the axis 214 ptz provides a tool that can be used to display these values directly in the video image 45
- When setting up the camera it is important to consider how various settings and situations will affect performance some factors affect the amount of bandwidth the bit rate required others can affect the frame rate and some will affect both if the load on the cpu reaches its maximum this will also affect the frame rate 45
- Bandwidth 46
- Frame rates motion jpeg 46
- Frame rates mpeg 4 46
- Axis 214 ptz 47
- Glossary of terms 47
- Axis 214 ptz 48
- Axis 214 ptz 49
- Axis 214 ptz 50
- Axis 214 ptz 51
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