KTI Networks CAS-330W Скачать руководство пользователя

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Applications

Monitoring of local and remote places and objects such as
construction sites, hospitals, amusement parks, schools and
day-care centers through the use of a web browser.

Capture single frame images from the IPView SE
application.

Configure the camera to upload image or send-mail
messages with a single frame image.

Содержание CAS-330W

Страница 1: ...SOHO Wireless Internet Camera User s Guide Version 1 0 ...

Страница 2: ...NG THE PACKAGE 9 SYSTEM REQUIREMENT 10 PHYSICAL DESCRIPTION 11 2 HARDWARE INSTALLATION 16 ATTACHING THE CAMERA TO THE STAND 16 CONNECTING THE ETHERNET CABLE 17 ATTACHING THE POWER SUPPLY 17 3 SECURITY 18 4 APPLICATION OF THE CAMERA 19 APPLICATIONS 20 APPLICATION DIAGRAMS OF THE CAMERA 21 ...

Страница 3: ... 60 HOW TO CHANGE CAMERA 65 CONNECT DISCONNECT THE IMAGE 66 HOW TO DELETE A CAMERA 69 EXTRA INFORMATION 70 HOW TO ADJUST THE PROPERTY SETTING 71 ADJUST THE RECORDING SETTING 77 7 APPENDIX 78 A FREQUENTLY ASKED QUESTIONS 78 B PING YOUR IP ADDRESS 81 C TROUBLE SHOOTING 82 D TIME ZONE TABLE 86 E XPLUG CONTROL INSTALLATION 88 F ADJUST INTERNET CAMERA FOCUS 92 G SPECIFICATION 93 H GLOSSARY OF TERMS 95 ...

Страница 4: ...4 ...

Страница 5: ... camera Chapter 4 Application of the Camera provides the illustrations of the camera s applications Chapter 5 Using the Camera guides you through the configuration using the web browser Chapter 6 IPView SE helps you to install and use the software Chapter 7 Appendix Please note that the illustrations or setting values in this manual are FOR YOUR REFERENCE ONLY The actual settings and values depend...

Страница 6: ...sed solutions that can provide a cost effective solution to transmit real time high quality video images and sounds for monitoring The Wireless Internet Camera can be managed remotely accessed and controlled from any PC Notebook over the Intranet or Internet via a web browser The simple installation procedures and web based interface allow you to integrate it into your network easily With comprehe...

Страница 7: ...ug and view the picture from your Wireless Internet Camera with a valid IP Address Support Variety of Platforms The Wireless Internet Camera supports TCP IP networking SMTP e mail HTTP and other Internet related protocols and can be utilized in a mixed operating system environment such as Windows Unix and Mac It can be integrated easily into other www Intranet applications Web Configuration Applyi...

Страница 8: ...less Internet Camera can provide the ideal solution for live video images over the Intranet and Internet for remote monitoring The Wireless Internet Camera allows remote access from a web browser for live image viewing and allows administrator to manage and control the Wireless Internet Camera anywhere and any time in the world Apply the Wireless Internet Camera to monitor various objects and plac...

Страница 9: ...Camera with external antenna One Installation CD ROM One Quick Installation Guide One AC power adapter suitable for your country s electric power One Camera Stand One RJ 45 Ethernet Cable If any item contained is damaged or missing please contact your local dealer immediately Also keep the box and packing materials in case you need to ship the unit in the future ...

Страница 10: ... Intel Pentium II 266 MHz or above Memory Size 32MB 64MB recommended Resolution 800x600 or above Microsoft Internet Explorer 5 0 or above ActiveX JAVA Mode Image View for Windows OS and JAVA Mode Image View for other OS Netscape 6 0 or above JAVA Mode Image View For IPView SE Application Users Operating System Microsoft Windows 98SE ME 2000 XP CPU Intel Pentium III 450 MHz or above Memory Size 128...

Страница 11: ... of the Wireless Internet Camera Front Panel 1 Power LED The Power LED is positioned on the right side of the Wireless Internet Camera s lens while facing the Wireless Internet Camera A steady BLUE light confirms that the Wireless Internet Camera is powered on Link LED Power LED ...

Страница 12: ...cing the Wireless Internet Camera It is located right of the Power LED A steady ORANGE light confirms that the camera has good connection to LAN connectivity Dependent on the data traffic the LED will begin to flash to indicate that the Wireless Internet Camera is receiving sending data from to the network ...

Страница 13: ...should be Category 5 twisted pair cable The port supports the N Way protocol and Auto MDIX function allowing the Wireless Internet Camera to automatically detect or negotiate the transmission speed of the network 2 External Antenna The rotatable external antenna allows you to adjust its position to obtain the maximum signal Network Cable Connector External Antenna DC Power Connector Reset Button ...

Страница 14: ...tory reset is completed the Wireless Internet Camera will be set to default on channel 11 and SSID is set as NULL String This default setting will let the Wireless Internet Camera connect to ANY access point on the infrastructure network The IP address will also return to the default setting as 192 168 0 20 4 DC Power Connector The DC power input connector is located on the Wireless Internet Camer...

Страница 15: ...om Panel Screw Hole Located on the top bottom panel of the camera the screw hole is used to connect the camera stand onto the camera by attaching the screw head on the camera stand into the screw hole of the camera Screw Hole Screw Hole ...

Страница 16: ...ivel ball screw head that can be attached to the Wireless Internet Camera s bottom screw hole Attach the camera stand to the Wireless Internet Camera and station it for your application There are three holes located in the base of the camera stand allowing the Wireless Internet Camera to be mounted on the ceiling or any wall securely ...

Страница 17: ...d then attach it to the network Attaching the Power Supply Attach the external power supply to the DC power input connector located on Wireless Internet Camera s rear panel and then connect it to your local power supply TIP You can confirm power source is supplied from the LED indicators label Power on the Wireless Internet Camera is illuminated ...

Страница 18: ...ssigned by the Administrator The administrator can release a public user name and password so when remote users access the Wireless Internet Camera they will have the right to view the image transmitted by the Wireless Internet Camera NOTE Since the default settings are Null String it is highly recommended to set the Admin ID and Admin Password when you are the first time to use the Wireless Inter...

Страница 19: ...ktop over the Intranet or Internet via a web browser With the easy installation procedure real time live images will be available In addition once the Wireless Internet Camera is installed coupled with the IPView SE application you can further expand the scope of the Wireless Internet Camera The following section will provide the typical applications for the Wireless Internet Camera along with the...

Страница 20: ...ects such as construction sites hospitals amusement parks schools and day care centers through the use of a web browser Capture single frame images from the IPView SE application Configure the camera to upload image or send mail messages with a single frame image ...

Страница 21: ...21 Application Diagrams of the Camera Home Applications SOHO Internet Camera SOHO Wireless Internet Camera ...

Страница 22: ...22 SOHO Applications SOHO ...

Страница 23: ...ugh its built in Web based Configuration Extensive knowledge of LAN will be helpful in setting up the Wireless Internet Camera From the web browser enter the default IP address to access the Welcome screen of the Wireless Internet Camera To configure your Wireless Internet Camera type http 192 168 0 20 in the address box The number is the default IP address of your Wireless Internet Camera Then pr...

Страница 24: ...om the browser the Wireless Internet Camera Welcome screen will appear with a still image There will be three options to choose from to set up and view your Wireless Internet Camera including View Video ActiveX Mode View Video Java Mode System Administration Pre view area Default IP address ...

Страница 25: ...ome TIP Once you have changed the settings in each option click Save to store the settings or Cancel to abandon or Refresh to reload the status During the configuration whenever you click Home in the top menu bar will make you return to the Welcome window System Administration J Management The Management window contains the information of your configuration Click the items in the left column to vi...

Страница 26: ... Version MAC Address and IP Address can be found in this field Ethernet Status You can monitor the networking status in this field including the Link network connection Speed and the Duplex mode Video Click the Video item in the left column to display the video configuration of your camera Video Status The video configuration about the camera including the Video Resolution Compression Rate ...

Страница 27: ... Status The items in this field display the information of the wireless LAN such as the Connection Mode Infrastructure or Ad Hoc Link SSID Channel Transmission Rate and WEP Encryption Network Click the Network item in the left column to display the information of the LAN Network Status The items in this field display the information of the LAN such as the IP Address Subnet ...

Страница 28: ...ary DNS Address Dynamic DNS Secondary HTTP Port and UPnP User Click the User item in the left column to display the user s information Active Users The items in this field display the user s information including the user s IP address Name and DateTime ...

Страница 29: ...nput key details to setup the camera for operation Click Configuration in the top menu bar and the Configuration window will appear as below System Click the System item in the left column to setup the basic configuration of your camera System Setting In this field you can configure the basic information of your camera ...

Страница 30: ... String and you need to key in the administrator name with a maximum length of 12 printable ASCII characters and enter the administrator password with a maximum length of 8 printable ASCII characters It is highly recommended to set the Admin ID and Admin Password as soon as possible to enable security option for the Wireless Internet Camera to function LED Control This option allows user to setup ...

Страница 31: ...the desired video resolution format including 160x120 320x240 default and 640x480 Compression Rate Select the desired compression rate with five levels from Very Low to Very High Higher video compression rate will generate more compact file size with less video quality and vise versa The default setting is Medium Frame Rate Select the frame rate desired with default setting at Auto for optimal fra...

Страница 32: ...equency to suit your area of operation from the options either 50 Hz or 60 Hz default Wireless Click the Wireless item in the left column to setup the wireless LAN configuration of your camera Wireless Interface Connection Mode Use this option to determine the type of wireless communication for your camera ...

Страница 33: ... are not allowed in the Network Name box To connect the camera to an Ad Hoc wireless workgroup make sure to set the same wireless channel and SSID to match with the PC Notebook s configuration for direct wireless communication Wireless Channel This pull down menu provides the wireless channel for communication A channel is a range of frequencies to be used in communication between the camera and a...

Страница 34: ... 13 ASCII characters For example 1234567890123 These character counts result in bit counts of 40 and 104 respectively the camera will automatically pad your input to a bit count of 64 or 128 HEX input format Hex format causes each pair of characters you type to be interpreted as an eight bit value in hexadecimal base 16 notation Only the digits 0 through 9 and the letters A through F in upper or l...

Страница 35: ...g including Synchronization and Start frame delimiter Please NOTE that if you want to change the Preamble type into Long or Short please check the setting of access point Authentication Type Open System communicates the key across the network Shared Key allows communication only with other devices with identical WEP settings The default setting is Both Network Click the Network item in the left co...

Страница 36: ... your with three options to select the IP Address Mode Fixed IP You can select this option and enter the IP address directly The default settings are IP Address 192 168 0 20 Subnet Mask 255 255 255 0 Default Gateway 0 0 0 0 Dynamic Address DHCP If your network uses the DHCP server select this option According to this setting the camera will be assigned an IP address from the DHCP server automatica...

Страница 37: ...nto IP addresses Enter at least one DNS IP Address in this field Dynamic DNS The Dynamic DNS service allows you to alias a dynamic IP address to a static hostname in any of the domains allowing your computer to be more easily accessed from various locations on the Internet Second HTTP Port The default port for communication is via port 80 and you can change it according to your network configurati...

Страница 38: ...er name in this box and enter the user s password assigned by the administrator The maximum password length is 8 printable ASCII The administrator has the authority to give permission for the privilege to control the Upload E mail Video control to the users by selecting Yes or No to activate the Upload E mail Video To add a new user s name enter the necessary information first and click the Add bu...

Страница 39: ...d the time will be based on GMT setting The time will be synchronized every 10 minutes When selecting this option you have to enter the required information in the following fields IP Address Enter the IP Address of the Time Server in this box Protocol Two options of NTP or Time are available for your selection to link with the Time Server The default setting is NTP TimeZone Select the time zone f...

Страница 40: ... server time schedule and manual operation FTP Server This field contains the following six basic settings for your FTP server Host Address The IP Address of the target FTP server Port Number The standard port number for the FTP server is Port 21 and it s also the default setting If ...

Страница 41: ...d base file name Schedule You can 1 Choose Always to always upload the video to FTP server or 2 Set the Schedule to manage the uploading task In the Schedule option you can set the Day and Time Period option Video Frequency There are two ways to set the video frequency 1 Set Auto 1 2 3 frames per second or 2 Set the time in seconds for every frame Base File Name Enter the file name to make sure th...

Страница 42: ... for your FTP server SMTP Server Address SMTP Simple Mail Transfer Protocol is a protocol for sending e mail messages between servers you need to input the mail server address in this field Sender e mail Address Enter the e mail address of the user who will send the e mail Receiver e mail Address Enter the e mail address of the user who will receive the e mail User Name Enter the user name in this...

Страница 43: ...unt option to set schedule to send e mail Please refer to the instruction in Upload section The Interval option is to define time interval between two images sent Manual Operation When you click the E mail Video button in view video screen it will start to e mail image The Interval option is to define time interval between two images sent ...

Страница 44: ... Tools window will appear as below E mail Test Click the E mail Test item in the left column to test your e mail account Test E mail Account Click the Test button to test the e mail account you provided Reset Do you really want to reset this device Click the YES button from this option and you can restart the camera just like turning ...

Страница 45: ...option and you can resume all factory default settings for the camera If you do not want to restore the factory settings exit this window without clicking YES Please NOTE that you have to configure the network settings again after a Factory Reset Firmware Upgrade When new firmware is available you can upgrade it through this window Click the Browse button to point to the firmware file and then cli...

Страница 46: ...lly want to backup the configuration to file Click the Backup button from this option and you can save the current configuration to file Restore Device Configuration from File You can resume the device configuration from saved file in the computer Click the Browse button to point to the file and then click Restore to start restoring ...

Страница 47: ...em Administration J Help The Help window provides the basic information of the camera Click Help in the top menu bar and the Help window will appear as below About Displays the camera s model name and version ...

Страница 48: ...through ActiveX Mode or Java Mode as described in the next section Then position the camera to the desired location appropriately for your purpose Followed by adjustment of the camera focus done manually by turning the lens clockwise or anti clockwise to the desire image quality Please refer to Appendix F for detailed instruction ...

Страница 49: ...lorer as illustrated below Camera Name The Camera name will be displayed when the Camera Name field is entered in the Web Configuration setting under Configuration In the View Video ActiveX Mode you are allowed to use the Upload Video and E mail Video options Simply click the desired selection ON or OFF to utilize the options for each of the functions Camera Name ...

Страница 50: ...cape browser as illustrated below Camera Name The Camera name will be displayed when the Camera Name field is entered in the Web Configuration setting under Configuration Date and Time The date time of the camera will be displayed here In the View Video Java Mode you are allowed to use the Upload Video and E mail Video options Simply click the Camera Name Date and Time ...

Страница 51: ...tiveX including 1 install to the Web Server and 2 install to your Local PC 2 The administrator has the authority to set the upload video function through the setting in the Upload option under Configuration 2 The administrator has the authority to set the e mail video function through the setting in the E mail option under Configuration ...

Страница 52: ... is a powerful software application designed with a user friendly interface for ease of control and navigation requirements Installation Insert the CD ROM into the CD ROM drive to initiate the auto run program Once completed a menu screen will appear as below ...

Страница 53: ... SE application click the IPView SE button to activate the installation procedure for the application program Once executed you will be asked to select the desired language Select the language you want and click OK to continue ...

Страница 54: ...54 The Welcome screen will appear as below Click the Next button The License Agreement window will appear as below Read the details carefully and click the Yes button ...

Страница 55: ... recommended destination location or click Browse to select another location After specifying the desired destination location click Next The following window allows you to select the folder where the IPView SE application will be located click Next to continue ...

Страница 56: ...alog boxes to appear If the system has to restart select Yes I want to restart my computer now and click the Finish button to complete the installation procedure Otherwise you may simply click the Finish button to complete the installation procedure ...

Страница 57: ...reless Internet Camera is automatically installed to Programs Files directory To start running the IPView SE click Start Programs IPView SE IPView SE Once login the IPView SE application is executed and the interface of IPView SE will appear in the default List View format as bellow ...

Страница 58: ...ment of preview configuration and searching of each camera It is designed with a user friendly interface for ease of control and navigation requirements as illustrated below IPView SE control panel System Config Add Camera Minimize Play Exit Scan About Combine ...

Страница 59: ...nimize the control panel Exit To close IPView SE Play To play back the recorded file Scan To display for each camera one by one Combine To combine all display windows in one About To display the information of IPView SE ...

Страница 60: ...60 How to Add a Camera Add Camera To add a new camera click the Add Camera button An Add Camera dialog box will appear as illustrated below Add Camera ...

Страница 61: ...ddress of the camera in the specified field and click the Add button to add a new camera Note 1 If you want to add a camera through the Internet you must key in a physical IP Address 2 When the camera is installed behind Gateway and the Open Second Port of camera Port Forwarding of Gateway function is enabled the Gateway IP address has to be entered with the Port Number as below ...

Страница 62: ...below 4 If you forget the IP Address that you want to add a dialog box will appear to notify you of the error If you are unsure of the IP Address of the camera you can click the Browse button the Browse Camera dialog box will appear with a blank screen as illustrated below ...

Страница 63: ...ew SE in list format If the User Name and Password is entered incorrectly the camera will not be added into IPView SE The above dialog box will appear only if administrator has already set up the User Name and Password in the Web Configuration setting If you forget to highlight the camera you want to add a dialog box will appear to notify you of the error Make sure to save any changes you have mad...

Страница 64: ... time When the user adds the camera four icons will appear including Assign IP to Camera Connect Disconnect Erase Extra Information Camera Config Assign IP to Camera Connect Disconnect Erase Extra Information Manual record Schedule record Motion record ...

Страница 65: ...mera Assign IP of New Camera To change camera click the Assign IP of Camera button An Assign IP of Camera dialog box will appear as illustrated below You must select the camera and click the Add button to add a new camera ...

Страница 66: ...OTE When a new camera is added it is connected You can see the image right away If you click the Connect Disconnect button it will be in disconnecting also no image showed Minimize Click to minimize the display screen of the camera Maximize Click to maximize the display screen of the camera Close Click to close the display screen of the camera ...

Страница 67: ...w Wake up control panel Click to open the control panel again when it is closed Color setting Click to adjust color of the image View list Click to check the event list of the camera Snapshot Click to snapshot a picture from the camera Rotate image Click to rotate the image of the camera ...

Страница 68: ...68 Disconnect the Image Click the Connect Disconnect button and the camera will be disconnected ...

Страница 69: ... Camera Erase Camera To delete a camera you must select the camera to delete from the IPView SE control panel Then click the Erase Camera button After deleting the camera the IPView SE control panel will appear as below ...

Страница 70: ...70 Extra Information Extra Information The screen displays the camera s information ...

Страница 71: ...rve Space This option permits reserved HDD space from 500 MB to 1000 MB 2 Split Recording File From this option you can adjust the file size for recording the video images the default setting is 10MB If the recorded video files reach the file size video images will be recorded into another file automatically By File Size permits recording by file size from 10 MB to 50 MB ...

Страница 72: ...16 File Path Recycle When you enabled this function it will recycle the HDD space once the disk space is less than the size defined The size defined can be from 200 MB to 50000 MB Proxy Server Select this option to enable the Proxy Server support Camera Scan Delay It allows you to display for each camera one by one The time interval for each camera can be from 1 Sec to 20 Sec ...

Страница 73: ...e Click the Camera Config button and it will active the Camera Setting Motion Setting and Update Firmware buttons Camera Setting Please refer to the Web Configuration section Camera Setting Motion Setting Update Firmware ...

Страница 74: ... adjust the sensitivity level and choose the Invoke Alarm options to work with motion detection function Besides the Alarm Beep Send Email can be enabled when motion detected The user can define the time interval to Send E mail ...

Страница 75: ... E Mail Address of receiver Subject Can be any information to high light the message User Name Enter the user name in this field Password Enter the user password in this field to login receiver s mail server Interval Time The time interval to send next E Mail the unit is by second ...

Страница 76: ...pdated automatically If you are unsure of the File path you can click the Browse button the Browse dialog box will appear as illustrated below Warning During firmware update process please make sure no interruptions will occur as it might possibly cause serious damage to the Internet Camera ...

Страница 77: ... camera to trigger recording by motion detected You can adjust the sensitivity level and choose the warning options when motion is detected from motion setting Schedule Record This option allows the camera to trigger recording as schedule defined The schedule is set by date or weekday Manual Record This option allows the camera to trigger recording manually ...

Страница 78: ...s Internet Camera is an all in one system with built in CPU and web based solutions providing a low cost solution that can transmit high quality video images for monitoring The Wireless Internet Camera can be managed remotely accessed and controlled from any PC Notebook over the Intranet or Internet via a web browser Q What is the maximum number of users that can be allowed to access the Wireless ...

Страница 79: ...na can be changed for a variety of reasons such as extending the wireless transmission range however please consult authorized distributors before attempting as the connectors must be SMA connector type Q What is the wireless transmission range for the Wireless Internet Camera A Generally the wireless distance can go up to 100 meters indoors and up to 300 meters outdoors The range is limited by th...

Страница 80: ...n Ethernet and Fast Ethernet network and supported by wireless transmission Q Can the Wireless Internet Camera be connected on the network if it consists of only private IP addresses A The Wireless Internet Camera can be connected to LAN with private IP addresses Q Can the Wireless Internet Camera be installed and work if a firewall exists on the network A If a firewall exists on the network port ...

Страница 81: ...s conflicts with the Wireless Internet Camera over the network Follow the step by step procedure below to utilize the PING command However you must disconnect the Wireless Internet Camera from the network first Start a DOS window Type ping x x x x where x x x x is the IP address of the Wireless Internet Camera The succeeding replies as illustrated below will provide useful explanation to the cause...

Страница 82: ... response or similar the finding is probably correct then you should proceed as follows In Windows 95 98 2000 and Windows NT double check the IP Address of the Wireless Internet Camera is within the same subnet as your workstation Click Start Setting Control Panel and the Network icon Select TCP IP from the Network dialog box and from the TCP IP Properties dialog box click Specify an IP address If...

Страница 83: ... There might be a problem with the network cable To confirm that the cables are working PING the address of a know device on the network If the cabling is OK and your network is reachable you should receive a reply similar to the following bytes 32 time 2 ms A2 The network device utilized by the Wireless Internet Camera is not functioning properly such as hubs or switches Confirm the power for the...

Страница 84: ...u need to reposition the Wireless Internet Camera into a more shaded area immediately as this will damage the CMOS sensor Q There is bad focus on the Wireless Internet Camera what should be done A1 The focus might not be correctly adjusted for the line of sight You need to adjust the Wireless Internet Camera focus manually as described in Adjust Internet Camera Focus A2 There is no adaptor fitted ...

Страница 85: ...y 16 or 256 colors on your computer will produce dithering artifacts in the image A2 The configuration on the Wireless Internet Camera image display is incorrect Through the Web Configuration Image section you need to adjust the image related parameter for improve images such as brightness contrast hue and light frequency Please refer to the Web Configuration section for detail information Q There...

Страница 86: ...86 D Time Zone Table ...

Страница 87: ...87 ...

Страница 88: ...e Loading ActiveX From input web server location http www web server location com Once the settings are completed the user now is able to access the Internet Camera from the web browser by selecting the image view ActiveX mode Important Information It is highly recommended to install the Xplug Control application to the Web Server for IE 5 0 It must be installed to a Public Domain with Fixed IP ad...

Страница 89: ... the CD ROM into the CD ROM drive to initiate the auto run program Once completed a menu screen will appear as below To install Xplug Control click the Xplug Control button to activate the installation procedure for the plug in program ...

Страница 90: ...ed a prompt will appear requesting the input of the desired language selection Make the desired selection and click OK to continue The Welcome screen will appear Click the Next button to proceed with the installation ...

Страница 91: ...pt will appear as below Read the details carefully and click the Yes button to continue with the installation procedure Click the Finish button to complete Setup of the Xplug Control Utility program for the Wireless Internet Camera ...

Страница 92: ...through System Administration Image of Web Configuration Please refer to Web Configuration section for further details Warning Direct exposure to sunlight may cause permanent damage to the CMOS sensor Therefore do not expose the Internet Camera s lens directly to sunlight When operation is required in glaring light environment it is recommended to use an iris lens The Internet Camera is designed f...

Страница 93: ...Frame rate 30fps QCIF 25fps CIF 10fps VGA Compression Rate selection 5 levels Very low Low Middle High Very high Frame rate setting 1 5 7 15 20 Auto depends on the video format Video resolution 160x120 320x240 640x480 Hardware Interface LAN Connector One RJ 45 port 10 100M auto sensed Auto MDIX Wireless LAN Built in 802 11g wireless LAN Communication protocol HTTP FTP TCP IP UDP ARP ICMP BOOTP DHC...

Страница 94: ...ower LED Blue Activity LED Orange Software Browser Internet Explorer 5 0 or above Netscape 6 0 or above Application Software IPView SE OS supported Microsoft Windows 98SE ME 2000 XP Windows NT4 0 Operating environment Operating temperature 5O C 40O C Storage temperature 25O C 50O C Humidity 5 95 non condensing EMI FCC CE VCCI Class B ...

Страница 95: ... Access point It is the hardware interface between a wireless LAN and a wired LAN The access point attaches to the wired LAN through an Ethernet connection Applet Applets are small Java programs that can be embedded in an HTML page The rule at the moment is that an applet can only make an Internet connection to the computer form that the applet was sent ASCII American Standard Code For Information...

Страница 96: ...ure a network device in a diskless workstation to give its own IP address C Communication Communication has four components sender receiver message and medium In networks devices and application tasks and processes communicate messages to each other over media They represent the sender and receivers The data they send is the message The cabling or transmission method they use is the medium Connect...

Страница 97: ...he service provided by a router gateway or other network device that automatically assigns an IP address to any device that requests one DNS Domain Name System is an Internet service that translates domain names into IP addresses Since domain names are alphabetic they re easier to remember The Internet however is really based on IP addresses every time you use a domain name the DNS will translate ...

Страница 98: ...rewall Firewall is considered the first line of defense in protecting private information For better security data can be encrypted A system designed to prevent unauthorized access to or from a private network Firewalls are frequently used to prevent unauthorized Internet users from accessing private networks connected to the Internet especially Intranets all messages entering or leaving the intra...

Страница 99: ... company that uses the same software you will find on the public Internet The only difference is that an Intranet is used for internal usage only Internet The Internet is a globally linked system of computers that are logically connected based on the Internet Protocol IP The Internet provides different ways to access private and public information worldwide Internet address To participate in Inter...

Страница 100: ... to telephone numbers When you call that number using any connection methods you get connected to the computer that owns that IP address ISP Internet Service Provider is a company that maintains a network that is linked to the Internet by way of a dedicated communication line An ISP offers the use of its dedicated communication lines to companies or individuals who can t afford the high monthly co...

Страница 101: ...k NAT solves the problem When devices within your network request information from the Internet the requests are forwarded to the Internet under the router s IP address NAT distributes the responses to the proper IP addresses within your network Network A network consists of a collection of two or more devices people or components that communicate with each other over physical or virtual media The...

Страница 102: ...mmunication on the network is governed by sets of rules called protocols Protocols provide the guidelines devices use to communicate with each other and thus they have different functions Some protocols are responsible for formatting and presenting and presenting data that will be transferred from file server memory to the file server s net work adapter Others are responsible for filtering informa...

Страница 103: ...ress Resolution Protocol a TCP IP protocol that allows a physical address such as an Ethernet address to be translated into an IP address RJ 45 RJ 45 connector is used for Ethernet cable connections Router A router is the network software or hardware entity charged with routing packets between networks S Server It is a simple computer that provides resources such as files or other information SMTP...

Страница 104: ...ts diverse computers of various transmission methods It was developed y the Department of Defense to connect different computer types and led to the development of the Internet Transceiver A transceiver joins two network segments together Transceivers can also be used to join a segment that uses one medium to a segment that uses a different medium On a 10BASE 5 network the transceiver connects the...

Страница 105: ...omputers that are separated by a wide distance and communicate with each other via common carrier telecommunication techniques Windows Windows is a graphical user interface for workstations that use DOS Workgroup A workgroup is a group of users who are physically located together and connected to the same LAN or a group of users who are scattered throughout an organization but are logically connec...

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