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Internet Camera

ICA-100C

User’s Manual

Version 2.0

Содержание ICA-100C

Страница 1: ...Internet Camera ICA 100C User s Manual Version 2 0 ...

Страница 2: ...itten permission of PLANET Technology Declaration of Conformity This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Disclaimer PLANET Technology does not warrant that the hardware will ...

Страница 3: ...hout notice If you find information in this manual that is incorrect misleading or incomplete we would appreciate your comments and suggestions Trademarks The PLANET logo is a trademark of PLANET Technology This documentation may refer to numerous hardware and software products by their trade names In most if not all cases these designations are claimed as trademarks or registered trademarks by th...

Страница 4: ...N 15 ATTACHING THE CAMERA TO THE STAND 15 CONNECTING THE ETHERNET CABLE 16 ATTACHING THE POWER SUPPLY 16 CHAPTER 3 SECURITY 17 CHAPTER 4 APPLICATION OF THE CAMERA 18 APPLICATIONS 19 APPLICATION DIAGRAMS OF THE CAMERA 20 CHAPTER 5 USING THE CAMERA 22 WEB CONFIGURATION 22 SYSTEM ADMINISTRATION 24 VIEW VIDEO ACTIVEX MODE 44 VIEW IMAGE JAVA MODE 45 CHAPTER 6 IPVIEW PRO 47 GETTING STARTED 47 ...

Страница 5: ...SYSTEM 56 CHAPTER 7 APPENDIX 70 A FREQUENTLY ASKED QUESTIONS 70 B PING YOUR IP ADDRESS 73 C TROUBLE SHOOTING 74 D TIME ZONE TABLE 78 E XPLUG CONTROL INSTALLATION 80 F ADJUST INTERNET CAMERA FOCUS 84 G SPECIFICATION 85 H GLOSSARY OF TERMS 87 ...

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

Страница 7: ...d sounds for monitoring The 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 The camera features Power over Ethernet PoE technology allowing you to install and use it in an environment where is without powe...

Страница 8: ... Just plug and view the picture from your Internet Camera with a valid IP Address Support Variety of Platforms The ICA 100C 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 Applying a standard web...

Страница 9: ...t services the Internet Camera can provide the ideal solution for live video images over the Intranet and Internet for remote monitoring The Internet Camera allows remote access from a web browser for live image viewing and allows administrator to manage and control the Internet Camera anywhere and any time in the world Apply the Internet Camera to monitor various objects and places such as homes ...

Страница 10: ... you have PLANET Internet Camera x 1 Installation CD ROM x 1 Quick Installation Guide x 1 Power Adapter x 1 Camera Stand x 1 RJ 45 Ethernet Cable x 1 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 11: ...d Memory Size 32MB 64MB recommended Resolution 800x600 or above 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 Pro Application Users Operating System Microsoft Windows 98SE ME 2000 XP CPU CPU Intel Celeron 1 1GHz or above Intel Pentium 4 is preferred Memory Size 256MB 512 MB reco...

Страница 12: ...r LED The Power LED is positioned on the right side of the Internet Camera s lens while facing the Internet Camera A steady BLUE light confirms that the Internet Camera is powered on 2 Link LED 11 The Link LED is positioned on the right side of the Internet Camera s lens while facing the Internet Camera It is located right of the Power LED ...

Страница 13: ...Rear Panel 2 Reset Button 12 1 Network Cable Connector 3 DC Power Connector 1 Network Cable Connector The Internet Camera s rear panel features an RJ 45 connector for connections to 10Base T Ethernet cabling or 100Base TX Fast Ethernet cabling which should be Category 5 twisted pair cable The port supports the N Way protocol allowing the Internet Camera to automatically detect or negotiate the tra...

Страница 14: ...elease the reset button and the Power LED will begin to flash indicating the Internet Camera is changing to factory reset The IP address will return to the default setting as 192 168 0 20 3 DC Power Connector The DC power input connector is located on the Internet Camera s rear panel and is labeled DC5V with a single jack socket to supply power to the Internet Camera Power will be generated when t...

Страница 15: ... 14 Screw Hole 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 ...

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

Страница 17: ...nd then attach it to the network Attaching the Power Supply Attach the external power supply to the DC power input connector located on 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 Internet Camera is illuminated 16 ...

Страница 18: ...rd that is assigned by the Administrator The administrator can release a public user name and password so when remote users access the Internet Camera they will have the right to view the images transmitted by the 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 Internet Camera Onc...

Страница 19: ...d from any PC desktop 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 Internet Camera is installed coupled with the IPView Pro application you can further expand the scope of the Internet Camera The following section will provide the typical applications for the Internet Camera along with the IPView P...

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

Страница 21: ...Application Diagrams of the Camera Home Applications 20 ...

Страница 22: ...Office Applications 21 ...

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

Страница 24: ...er the default IP address is entered from the browser the Internet Camera Welcome screen will appear with a still image There will be three options to choose from to set up and view your Internet Camera including z View Video ActiveX Mode z View Video Java Mode z System Administration ...

Страница 25: ... Home 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 ...

Страница 26: ...rsion 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 25 ...

Страница 27: ...n this field display the information of the LAN such as the IP Address Subnet Mask Default Gateway Primary DNS Address Secondary DNS Address Dynamic DNS Secondary HTTP Port and UPnP User Click the User item in the left column to display the user s information 26 Active Users The items in this field display the user s information including the user s IP address Name and DateTime ...

Страница 28: ...t key details to setup the camera for operation Click Configuration in the top menu bar and the Configuration window will appear as below 27 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 29: ... Null 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 Internet Camera to function LED Control This option allows user to setup the ...

Страница 30: ...umn to setup the image configuration of your camera Video Setting In this field you can configure the basic information of your camera Video Resolution Select 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 29 ...

Страница 31: ... saturation with default setting at 64 Light Frequency Adjust the light frequency to suit your area of operation from the options either 50 Hz or 60 Hz default Mirror Select Horizontal Mirror to display the image in a horizontal mirror mode or Vertical Mirror to display the image in a vertical mirror mode Anti Flicker If you capture a flicker image because of the environment factor for example hig...

Страница 32: ...s 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 automatically Every time when the camera starts up please make sure that the DHCP server is set to assign a static IP address to your camera 31 ...

Страница 33: ...NS 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 configuration Select Enable from the option and enter the desired port number in the following box UP...

Страница 34: ...rd 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 button Delete User Select the user you want to de...

Страница 35: ...he 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 for ...

Страница 36: ...sic 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 the FTP server uses a specific port please confirm the IT manager User Name Enter the user name in this field Password Enter the user password in this field to login the FTP server 35 ...

Страница 37: ...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 that the images could be saved as the base file name File Since you may not upload only one image to the FTP server you can choose the filing rule including Ove...

Страница 38: ...eld 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 field Password Enter the user password in this field to login receiver s mail server Time Schedule Select the Enable mail video to e mail account option to set schedule to send e mail P...

Страница 39: ... 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 System Administration J Tools The Tools window contains commands for restarting the camera Click Tools in the top menu bar and the Tools window will appear as below ...

Страница 40: ...nt 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 the device off and on and saved settings are retained If you do 39 ...

Страница 41: ...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 click Update to start upgrading Backup Click the Backup item in the left column ...

Страница 42: ...ion 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 System 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 41 ...

Страница 43: ...About Displays the camera s model name and version 42 ...

Страница 44: ...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 45: ...r as illustrated below Date and Time Camera Name 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 ActiveX Mode you are allowed to use the Upload Video and E mail Video options Simply click the 44 ...

Страница 46: ...om the browser click View Image Java Mode from the Welcome screen to access the video images from Internet Explorer or Netscape browser as illustrated below Date and Time Camera Name Camera Name The Camera name will be displayed when the Camera Name field is entered in the Web Configuration setting under Configuration 45 ...

Страница 47: ...ions for each of the functions NOTE 1 Please refer to the appendix on how to install ActiveX 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 3 The administrator has the authority to set the e mail video function through the setting in the E mail o...

Страница 48: ...ew Pro which is a powerful software application designed with a user friendly interface for ease of control and navigation requirements Getting Started To launch IPView Pro click Start Programs PLANET IPView Pro IPView Pro The main screen will appear as below ...

Страница 49: ...stem s resolution setting up to 1024x768 Please configure the resolution to 1024x768 or higher otherwise it may shows incomplete screen when launching the program Item Feature NO Item Description X Date Time Show current date time 48 ...

Страница 50: ...a in View Window Show four cameras in View Window Show six cameras in View Window with the first one as the major view Show eight cameras in View Window with the first one as the major view Show nine cameras in View Window Show ten cameras in View Window with the first two as the major views Show thirteen cameras in View Window with the first one as the major view Show sixteen cameras in View Wind...

Страница 51: ...Record Button Record video clip of the selected camera and save it in the computer The storage position can be configured in System Configuration When you click the button you can select Manual Record Schedule Record or Motion Record _ Play Button Play the recorded video file in the computer System Configure Click to enter the System Configuration ...

Страница 52: ...ing a Camera To add a camera 1 Click the System Configure button to enter the System Configuration If you are not sure of the camera s IP address you can click Search to search the available camera s within the network 51 ...

Страница 53: ...it and then click Add Camera The camera is added Click the Add Camera button The camera found within the network 3 Click Save and then click the System Configure button to return to View Window The selected camera s video will be displayed now 52 ...

Страница 54: ...a is added Click the Add Camera button Enter the camera s IP address and Port 5 Enter the camera s IP address default 192 168 1 2 and Port default 80 and then click Add Camera 6 Click Save and then click the System Configure button to return to View Window The selected camera s video will be displayed now 53 ...

Страница 55: ...l you can select one camera mode or other modes to display your video IPView Pro allows a maximum of 16 cameras for viewing For example if you use only one camera select one camera mode and the View Window will display the view as figure 1 If there are four cameras select four camera mode and the View Window will display the view as figure 2 Figure 1 Figure 2 54 ...

Страница 56: ... Record or Motion Record the system will record the video clip according to the settings in System Configuration Playing Recorded Video The recorded video clips are saved in your computer and can be played using Windows Media Player To start playback simply click the Play button on the panel and the following dialog screen will appear allowing you to select the file to playback Select one file to ...

Страница 57: ...allows you to configure the system settings and the System Configuration Screen will appear in the View Window as shown below Once configured click Save to save the settings and then click the System Configure button again to exit configuration System Configuration Screen 56 ...

Страница 58: ... can configure the following settings Web Configuration In the left column selecting the Web Configuration item will launch the Web Configuration Utility in View Window You can configure these settings according to the description in Chapter 5 Using the Camera Click Back to exit the Web Configuration Utility 57 ...

Страница 59: ...control Before configuring you should select one camera from the pull down menu 58 Select one camera Detect Region When you select the Full picture option the camera will monitor the whole area Sensitivity Level Move the slide bar to adjust the sensitivity level for detecting motion to record video ...

Страница 60: ...ure to the alarm and e mail setting Invoke Alarm Select this option to enable alarm when some motion detected by the system Send e mail When this option is checked click the Mailing Configuration in the left column to enter the required information see the following section 59 ...

Страница 61: ...to reset this device Click Yes in the pop up dialog box to confirm Factory Reset Restore the factory default settings of the camera Do you really want to factory reset this device Click Yes in the pop up dialog box to confirm Update Firmware When new firmware is available you can upgrade it using this option Click Browse to find the firmware file and then click Update 60 ...

Страница 62: ...pective fields Mail Server Enter the mail server address that is used to send your e mail Mail From To Enter the sender s receiver s e mail address Subject Enter the title of the e mail User Name Password Enter the user name password to login the mail server Interval Time Enter a number in this box to setup the time in second to send E mail regularly 61 ...

Страница 63: ...Proxy Server Check the Proxy Server option and enter the required settings in the Address and Port boxes to enable and use the Proxy Server function 62 ...

Страница 64: ...eserved HDD Space For MS Windows OS You can reserve 500 MB to 1000 MB hard disk space for the program Each Recording File Size If the recorded video files reach the file size limit video images will be recorded into another file automatically The available settings are from 10 MB to 50 MB 63 ...

Страница 65: ...ck Add to add a new destination folder click Delete to remove a selected path setting Please note that you are not allowed to delete a path setting if there is only one setting in the list Recycle You can check this option to clear the files when the unreserved space of your hard disk is filled The available settings are from 200 MB to 50000 MB ...

Страница 66: ...ctive settings in the Schedule mode The recording schedule can be defined by Date Mode or Week Mode Date Mode First select the camera desired from the pull down menu Then setup the time in the Start Stop fields Click Add to add the recording schedule to the list Click Save to save the settings 65 ...

Страница 67: ...e camera desired from the pull down menu Then setup the time in the Start Stop fields and select the weekday from the buttons Click Add to add the recording schedule to the list Click Save to save the settings Weekday buttons 66 ...

Страница 68: ... When multiple cameras connected this option allows the system to display these views as the main view in circles according to your time settings The range of Time interval of scan is from 1 to 20 seconds 67 ...

Страница 69: ...Log List This filed displays the user s information which includes the Date MAC address and the brief description of events 68 ...

Страница 70: ...69 About This filed provides information of the software application ...

Страница 71: ...t solution that can transmit high quality video images for monitoring The 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 Internet Camera simultaneously A Maximum number of users that can log onto the Internet Camera at the same time is 64 Ple...

Страница 72: ...ended Q What network cabling is required for the Internet Camera A The Internet Camera uses Category 5 UTP cable allowing 10 Base T and 100 Base T networking Q Can the Internet Camera be setup as a PC cam on the computer A No the Internet Camera is an Internet Camera used only on Ethernet and Fast Ethernet network Q Can the Internet Camera be connected on the network if it consists of only private...

Страница 73: ...72 transmits image data the default port 8481 is also required Therefore it is necessary to open port 8481 of the network for remote users to access the Internet Camera ...

Страница 74: ...m if the IP address conflicts with the Internet Camera over the network Follow the step by step procedure below to utilize the PING command However you must disconnect the 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 Internet Camera The succeeding replies as illustrated below will provide useful explanation to the cause of the p...

Страница 75: ...you should proceed as follows In Windows 95 98 2000 and Windows NT double check the IP Address of the 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 the Internet Camera is situated on a different subnet than your wo...

Страница 76: ...ice 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 Internet Camera is not functioning properly such as hubs or switches Confirm the power for the devices are well connected and functioning Under infrastructure mode make sure the SSID on the PC Notebook and the Internet Ca...

Страница 77: ...ble cause might be the incorrect display properties configuration for your desktop You need to open the Display Properties on your desktop and configure your display to show at least 65 000 colors for example at least 16 bit NOTE Applying only 16 or 256 colors on your computer will produce dithering artifacts in the image A2 The configuration on the Internet Camera image display is incorrect Throu...

Страница 78: ...77 the Internet Options menu Alternatively you can use the Java Applet for viewing the required images ...

Страница 79: ...D Time Zone Table 78 ...

Страница 80: ...79 ...

Страница 81: ...blic Domain with Fixed IP address 1 Installation Copy the xplug ocx file to any WEB Server table 2 Setting Configuration From the Web Configuration menu select System and under the 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...

Страница 82: ...pleted 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 Once executed a prompt will appear requesting the input of the desired language selection Make the desired selection and click OK to continue 81 ...

Страница 83: ...en will appear Click the Next button to proceed with the installation The License Agreement prompt will appear as below Read the details carefully and click the Yes button to continue with the installation procedure 82 ...

Страница 84: ...Click the Finish button to complete Setup of the Xplug Control Utility program for the Internet Camera 83 ...

Страница 85: ...gh 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 for in...

Страница 86: ... 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 Digital Zoom Supported Horizontal Vertical mirror Supported Hardware Interface LAN Connector One RJ 45 port 10 100M auto sensed Auto MDIX Communication protocol HTTP FTP TCP IP UDP ARP ICMP BOOTP DHCP PPPoE SM...

Страница 87: ...vity LED Orange Software Browser Internet Explorer 5 0 or above Netscape 6 0 or above Application Software IPView Pro 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 88: ...ternet connection to the computer form that the applet was sent ASCII American Standard Code For Information Interchange it is the standard method for encoding characters as 8 bit sequences of binary numbers allowing a maximum of 256 characters ARP Address Resolution Protocol ARP is a protocol that resides at the TCP IP Internet layer that delivers data on the same network by translating an IP add...

Страница 89: ...etworking two devices establish a connection to communicate with each other D DHCP Dynamic Host Configuration Protocol was developed by Microsoft a protocol for assigning dynamic IP addresses to devices on a network With dynamic addressing a device can have a different IP address every time it connects to the network In some systems the device s IP address can even change while it is still connect...

Страница 90: ...ample the domain name www network_camera com might translate to 192 167 222 8 E Enterprise network An enterprise network consists of collections of networks connected to each other over a geographically dispersed area The enterprise network serves the needs of a widely distributed company and operates the company s mission critical applications Ethernet The most popular LAN communication technolog...

Страница 91: ...tering or leaving the intranet pass through the firewall which examines each message and blocks those that do not meet the specified security criteria G Gateway A gateway links computers that use different data formats together Group Groups consist of several user machines that have similar characteristics such as being in the same department H HEX Short for hexadecimal refers to the base 16 numbe...

Страница 92: ...ommunications and on Internet Protocol based networks a node must have an Internet address that identifies it to the other nodes All Internet addresses are IP addresses IP Internet Protocol is the standard that describes the layout of the basic unit of information on the Internet the packet and also details the numerical addressing format used to route the information Your Internet service provide...

Страница 93: ...ted communication lines to companies or individuals who can t afford the high monthly cost for a direct connection J JAVA Java is a programming language that is specially designed for writing programs that can be safely downloaded to your computer through the Internet without the fear of viruses It is an object oriented multi thread programming best for creating applets and applications for the In...

Страница 94: ... consists of a collection of two or more devices people or components that communicate with each other over physical or virtual media The most common types of network are LAN local area network Computers are in close distance to one another They are usually in the same office space room or building WAN wide area network The computers are in different geographic locations and are connected by telep...

Страница 95: ...Others are responsible for filtering information between networks and forwarding data to its destination Still other protocols dictate how data is transferred across the medium and how servers respond to workstation requests and vice versa Common network protocols responsible for the presentation and formatting of data for a network operating system are the Internetwork Packet Exchange IPX protoco...

Страница 96: ...esources such as files or other information SMTP The Simple Mail Transfer Protocol is used for Internet mail SNMP Simple Network Management Protocol SNMP was designed to provide a common foundation for managing network devices Station In LANs a station consists of a device that can communicate data on the network In FDDI a station includes both physical nodes and addressable logical devices Workst...

Страница 97: ...rk the transceiver connects the network adapter or other network device to the medium Transceivers also can be used on 10BASE 2 or 10BASE T networks to attach devices with AUI ports U UDP The User Datagram Protocol is a connectionless protocol that resides above IP in the TCP IP suite ULP The upper layer protocol refers to Application Layer protocols such as FTP SNMP and SMTP User Name The USERNAM...

Страница 98: ...se 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 connected by work and are connected to the same network group Workstations Workstation refers to the intelligent computer on the user s desktop This computer may be an Intel based PC a Macintosh or a UN...

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