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All Rights Reserved.                          - 31 -                     

YOUNGWOO TELECOM Network Development Team  

 

 

 <Figure 23> Various Web Browser Window 2 

 

6 Internet Disconnection  

To disconnect the Internet, perform the following procedures: 

A On the menu of web browser, execute File 

è

 Close, first. 

B Right-click the mouse network access status icon in the work indication line of the display screen.

 

 

C Then, the following menu is displayed, and only to disconnect the Internet, on the menu, click on 

Disconnect. 

D Simultaneously with disconnecting the Internet, click on Exit to end 

YC-201 VDSL Modem

NOTE

  

If you end the system or power off while connected to the Internet, there may occur an error when you 

restart the system and access the Internet. In this case, contact 

VDSL service provider

 
 
 
 
 

Summary of Contents for YC-201

Page 1: ...All Rights Reserved 1 YOUNGWOO TELECOM Network Development Team YC 201 User s Manual VDSL Modem YoungWoo Telecom Co LTD ...

Page 2: ...er of YC 201 VDSL Modem User s Manual describes A Chapter 1 Introduction introduces the main function of YC 201 VDSL Modem and the method of using it and describes hardware configuration and specifications B Chapter 2 Before You Begin describes matters that users should be well aware of before installing YC 201 VDSL Modem C Chapter 3 Installing YC 201 VDSL Modem introduces environment where YC 201...

Page 3: ...f not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the inte...

Page 4: ...lling YC 201 VDSL Modem 14 1 Installation environment 15 2 Unpacking and checking the contents 15 3 Modem Installation 16 Chapter 4 Internet Access via YC 201 VDSL Modem 22 1 Checkup before YC 201 VDSL Modem installation 23 2 About YC 201 VDSL Modem 28 3 System Specifications for YC 201 VDSL Modem Installation 28 4 Viewing Network Information 29 5 Internet Access 30 6 Internet Disconnection 31 7 T...

Page 5: ... Symmetric Asymmetric Upload 10 13Mbps 13Mbps Speed Download 10 13Mbps 52Mbps Transmission Distance 0 1 5Km 0 4 5Km Table 1 YC 201 VDSL Modem Speed and Transmission Distance Further it is so designed as to enable optimum service within transmission distance of 1 2Km via telephone line and VDSL was configured in hybrid It uses fiber from central office switch to street curb or ONU Optical Network U...

Page 6: ... introduces the main function of YC 201 VDSL modem and the method of using it and describes HW configuration and specifications The organization of this chapter is as follows 1 Introduction of YC 201 VDSL modem 2 Name and function of each part 3 YC 201 VDSL modem specifications ...

Page 7: ...provides superhighway access and enables use of telephone during its use unlike existing dial up modem YC 201 VDSL modem provides the following functions A Various Applications Ÿ YC 201 VDSL modem provides various VDSL applications such as Internet access interactive communication e mail file transfer data download and upload etc B Powerful network management function Ÿ YC 201 VDSL modem is a term...

Page 8: ... VDSL Modem enables direct Internet connection monitors the operation of the modem via serial port and telnet and can change setup 2 Name and function of YC 201 VDSL Figure 3 Front View of YC 201 VDSL Modem Location Label Color Function ç POWER Green On while AC power is normally input è VDSL Green On while VDSL host of central office is connected é DATA Green Blink while sending and receiving dat...

Page 9: ...cable is connected and VDSL data are input or output Right PHONE Phone port Connects to phones Table 2 Function of YC 201 VDSL Modem Port 3 YC 201 VDSL Modem Specifications Item Specifications Product spec Size 108 00 width 140 00 length 32 35 height mm Weight 1 2Kg modem power supply device and cable included Operating temperature 0 50 C Power Input voltage AC 110 220V DC 5V Frequency 50 60 Hz Po...

Page 10: ...a rate 0 5Mbps 13Mbps Asymmetrical data rate 0 5 52Mbps Transmission distance Symmetrical 0 1 5Km Asymmetrical 0 4 5Km Error detection Reed Solomon Forward Error Correction FEC Multiplexing FDD Duplex Transmission Power 11 5dbm PC interface 10 100 Base T LAN Table 3 YC 201 VDSL Modem Specifications ...

Page 11: ...at users should be full aware of before installing the product Before you install the product you must read the contents of this chapter and should install the product always in consideration of the contents of this chapter The organization of this chapter is as follows 1 Safety checkup 2 Before installation 3 Cable preparation ...

Page 12: ... place is well done Ÿ Check if power supplied to the installation place is clean If power with lots of spark or noise is supplied power adjustment device should be installed 2 Before installation Before installing YC 201 VDSL Modem check up the following matters A Telephone network service Ÿ YC 201 VDSL Modem should be installed at places to which telephone network service is offered For subscribe...

Page 13: ...YC 201 VDSL Modem B RJ 11 phone cable Connect one side of RJ 11 phone cable to phone line port PHONE at the back side of YC 201 VDSL Modem and connect other side to phone Also connect phone line from existing wall to VDSL LINE Port C RJ 45 UTP LAN cable Connect one jack of RJ 45 UTP LAN cable to LAN port 10 100Base T at the back of YC 201 VDSL Modem and connect other jack to LAN card of PC CAUTION...

Page 14: ... This chapter introduces environment where YC 201 VDSL Modem is to be installed and describes the method of actually installing the product and connecting it to the network The organization of this chapter is as follows 1 Installation environment 2 Unpacking and checking the contents 3 Modem installation ...

Page 15: ... 50 60Hz CAUTION In case of input voltage upon system operation voltage variation range should be within 5 of the regulated voltage and power outlet must be grounded Do not use electric appliances such as hair dryer iron refrigerator etc together with the outlet of the power connector of YC 201 VDSL Modem For stable power supply use AVR Automatic Voltage Regulator 2 Unpacking and checking the cont...

Page 16: ...modem Ÿ Connecting phone line to modem Ÿ Connecting power to modem Ÿ Checking the specification operation environment and connection status of PC The following are detailed description of it for each step Drawing network configuration diagram First draw the configuration diagram of a network to configure through the use of YC 201 VDSL Modem Upon drawing of network configuration diagram you must co...

Page 17: ...ower code If power is supplied to YC 201 VDSL Modem plug out the jack of corresponding adaptor from the power input port and block the power before connecting it to other device CAUTION Power adaptor shall comply with corresponding standards and in case of using an adaptor with other specifications there is a danger of shortcut or fire So users must use a standard adaptor and if there occurs a pro...

Page 18: ...t Team Figure 7 Unplugging Power Code Connecting modem to PC Ethernet Cable Connect one side of RJ 45 UTP LAN cable to the LAN port of YC 201 VDSL Modem 10 100Base T and connect other jack to the LAN card mounted on PC Figure 8 Connecting Ethernet Cable to PC ...

Page 19: ... 10 100Mbps LAN card mounted See User s Manual provided together with LAN card for the method of installing and configuring LAN card in PC Connecting VDSL LINE to modem In the following procedure connect VDSL LINE to modem Connect the phone line which was disconnected from the existing phone to the line port of YC 201 VDSL Modem Figure 10 Connecting phone line to modem ...

Page 20: ...tly used phone and then connect RJ 11 phone cable provided with the product to the phone port of the modem and connect other side to phone Figure 11 Connecting phone line to modem Connecting power to modem Connect power adaptor to power input port DC 5V of YC 201 VDSL Modem and connect the adaptor to the outlet Figure 12 Connecting Power Code ...

Page 21: ...it Ÿ Checking modem power connection status Ÿ Supply power to YC 201 VDSL Modem If POWER LED in front of the modem is ON it is normal Ÿ Checking VDSL LINE connection status Ÿ After power was supplied to YC 201 VDSL Modem if within several seconds VDSL LED is ON it means that VDSL LINE was normally connected Ÿ Checking Ethernet Cable Connection Status between modem and PC Ÿ If Ethernet LED inside o...

Page 22: ...installing and removing modem in PC that uses Windows 95 98 2000 as OS and the method of accessing and disconnecting the Internet The organization of this chapter is as follows A Checkup before installing YC 201 VDSL Modem B About YC 201 VDSL Modem C System Specifications for the installation of YC 201 VDSL Modem D Viewing YC 201 VDSL Modem network information E Internet Access via YC 201 VDSL Mod...

Page 23: ...ighway Internet service and modem operator menu via YC 201 VDSL Modem then configure network information of PC connected to YC 201 VDSL Modem via Ethernet cables as follows A If you connect YC 201 VDSL Modem and switches on it the modem runs by automatically sending and receiving data to from corresponding VDSLAM If the modem normally operates the installer should check up the following status In ...

Page 24: ...1 server and check if the network is normal to the extent of data of VDSL service provider KT Figure 15 DNS Setup Window of TCP IP Registration B TCP IP Setup If the modem is registered set up network environment to access the Internet as follows In the display screen choose My Computer è Control Panel è Network ...

Page 25: ...All Rights Reserved 25 YOUNGWOO TELECOM Network Development Team Figure 16 My Computer Figure 17 Control Panel ...

Page 26: ...check if Microsoft Network Client and TCP IP were set up Figure 18 Microsoft Network Client Microsoft Network Client and TCP IP will be automatically configured if LAN card is successfully installed If not configured set up LAN card again In TCP IP input next registration information Regardless of home use and office use in IP address menu choose Auto IP Address assignment to automatically get IP ...

Page 27: ...All Rights Reserved 27 YOUNGWOO TELECOM Network Development Team Figure 19 Microsoft TCP IP Once LAN card is installed the following window is displayed Figure 20 System Setup Change ...

Page 28: ... choose Yes Y to apply changed network configuration to PC 2 About YC 201 VDSL Modem YC 201 VDSL Modem enables high speed network service such as VDSL by IP method in Windows 95 98 2000 Linux or Mac OS etc The advantages of YC 201 VDSL Modem include A Runs in various OSs and systems Windows 95 98 2000 NT Linux Mac OS B Perfectly compatible with LAN cards of various companies C Supports detailed ne...

Page 29: ...the Internet via YC 201 VDSL Modem you can check the current access status through network access status icon to be added to the work indication line of the display screen and see various network information 4 Viewing Network Information A If you double click network access status indication icon added to the work indication line the following Connected to window that shows network access status i...

Page 30: ...Development Team 5 Internet Access Through various available Internet access programs you can directly access the Internet After accessing the Internet execute the browser that you want and use Internet service Figure 22 Various Web Browser Window 1 ...

Page 31: ...use network access status icon in the work indication line of the display screen C Then the following menu is displayed and only to disconnect the Internet on the menu click on Disconnect D Simultaneously with disconnecting the Internet click on Exit to end YC 201 VDSL Modem NOTE If you end the system or power off while connected to the Internet there may occur an error when you restart the system...

Page 32: ...DSL Contact VDSL service provider Q If you want to access KORNET by using YC 201 VDSL Modem Authentication is displayed and connection is impossible A This message is displayed while you attempt authentication with the authentication server of KORNET If this message continues and Internet access is impossible you might have input wrong user ID or are accessed to the Internet by using user ID in ot...

Page 33: ...te Ÿ Memo of problems Ÿ Memo by step of actions by users B Problems and solutions Presents in detail problems that may occur by type and introduces the solutions Ÿ Possible problem type The following are problem types that may occur in using YC 201 VDSL Modem Power related problem Network access related problem C Power related problem The following power related problems may occur Ÿ Though power a...

Page 34: ...check up the following matters Check up again the connection of various cables connected to YC 201 VDSL Modem and PC Check up the status of LAN card of PC Check up the operation of PC Check up if IP address was assigned in accordance with the access service of VDSL service provider If problem continues immediately plug out the jack from power input port of YC 201 VDSL Modem and then contact VDSL s...

Page 35: ...m function A The modem malfunctions in HD B While one system uses several communication programs C The registry of Windows 95 is not properly updated Ÿ Solution Power off the system for reboot or end other communication program to solve it Another method includes pressing CTRL ALT DEL and opening program end window 603 Caller buffer too small Windows problem If the same problem occurs even after r...

Page 36: ... problem occurs even after reboot reinstall phone access networking 612 No route assigned Windows problem If the same problem occurs even after reboot reinstall phone access networking 613 Wrong compression Windows problem If the same problem occurs even after reboot reinstall phone access networking 614 Buffer is insufficient Windows problem If the same problem occurs even after reboot reinstall ...

Page 37: ...iguration information Reinstall phone access networking 625 Wrong information found in phone book Problem in phone book configuration information Reinstall phone access networking 626 Unable to read string Windows problem If the same problem occurs even after reboot reinstall phone access networking 627 Unable to find key Problem in phone book configuration information Reinstall phone access netwo...

Page 38: ...t after deletion D As a file related to password authentication in general cases it is installed with Internet Explorer 4 0 However it is omitted such error may occur Click Start è Find è File or Folder input msvcrt40 dll to Name check C in location and click Find Now If this file does not exist reinstall Internet Explorer or purchase up to date file and copy that E Copy up to date RASAPI32 DLL F ...

Page 39: ...more driver C With very few cases it occurs if the modem encounters a HW problem After replacing the modem reinstall that 634 Unable to register PC in remote network Unable to register user PC name from remote access server 635 Unknown error Windows problem If the same problem occurs even after reboot reinstall phone access networking 636 Wrong device connected to port HD configuration does not co...

Page 40: ...figuration is correct and reattempt that If the problem occurs again delete installed modem from the control panel and then reinstall that Also you must power OFF PC and power on it again after a while to start Windows For external modem power off modem and power on it again 653 Unable to find necessary macro in device INF file section Reinstall phone access networking If it continues replace the ...

Page 41: ...m 666 Modem or other connection device not properly operates Owing to one of the following reasons no response is made from modem or other connection device A Modem OFF B Modem not properly connected to PC C Check if cable was properly connected to modem and PC D Serial cable is not appropriate specifications required by remote access E HD glitch occurred in modem Power off modem wait for 20 secon...

Page 42: ...a call to another access number B This error may occur though modem did not place a call In this case Windows modem and phone access networking part were damaged But in normal cases it is a temporary case Reattempt that in the following procedure Ÿ Power on and off PC and reattempt that Ÿ In control panel modem install modem and reattempt that C It may occur while a call is placed and tone is repe...

Page 43: ...access networking 685 ERROR_WRITING_MAXCONNECTBPS Windows problem If the same problem occurs even after reboot reinstall phone access networking 686 ERROR_WRITING_MAXCARRIERBPS Windows problem If the same problem occurs even after reboot reinstall phone access networking 687 ERROR_WRITING_USAGE Windows problem If the same problem occurs even after reboot reinstall phone access networking 688 ERROR...

Page 44: ... networking 698 Answer key name of device INI file does nor correspond to the expected format Reinstall phone access networking If it continues replace the modem 699 Buffer overflow owing to device answer Windows problem If the same problem occurs even after reboot reinstall phone access networking 700 709 700 Extension command of device INI file too long Command that can be used in script file is...

Page 45: ...y using ISDN channel All available ISDN channels are in use Disconnect the call and reattempt that 715 Too much error owing to low phone line quality It may occur when connection is not properly set up from the modem or there are a lot of noises in line After setting the access rate of modem to low place a call once again 716 ERROR_IP_CONFIGURATOIN Wrong configuration information of phone access n...

Page 46: ...cess networking Check if phone access networking setup is correct In case of having changed telecom equipment serial port or modem correctly change phone access networking setup 728 ERROR_NO_IP_RAS_ADAPTER Wrong configuration information of phone access networking Check if phone access networking setup is correct In case of having changed telecom equipment serial port or modem correctly change pho...

Page 47: ...tup is correct In case of having changed telecom equipment serial port or modem correctly change phone access networking setup 736 ERROR_PPP_NCP_TERMINATED Wrong configuration information of phone access networking Check if phone access networking setup is correct In case of having changed telecom equipment serial port or modem correctly change phone access networking setup 740 749 740 ERROR_TAPI_...

Page 48: ...opment Team correct In case of having changed telecom equipment serial port or modem correctly change phone access networking setup 750 752 752 Syntax error during script execution Syntax error occurrence in phone access script related to phone book item ...

Page 49: ...not transmit signals LAN This is a major LAN access method jointly developed by Xerox Intel and DEC It uses transmission cable 10BASE standard Transmission rate is about 10Mbps or so and a node monitors signals on transmission line It uses CSMA CD access method that sends data after checking that all other nodes do not transmit signals FTP File Transfer Protocol FTP is an acronym of File Transfer ...

Page 50: ...PSTN is an acronym of Public Switched Telephone network PSTN is the public communication network for common users to utilize and has switched connection form provided by VDSL service provider It was originally used for phones With the development of telecom equipment it is also used for communication between FAX and PC In other words it is called POTS Router Router is HD and SW devices that help t...

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