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VC-400LT/RT+ VDSL2 CO&CPE Router MANUAL Ver.B3   

 

18

 

 

Chapter 6. Operating the VDSL2 System 

After the VDSL2 system has been set up, one may want to configure the settings that 

are related to VDSL2.   

Configuration of operation modes, test modes (loop back) and the display of status 

information are supported by GUI (Graphical User Interface). 

 

6.1 Configuration Settings 

Configure and start the VC-400LT (CO) and the VC-400RT+      (CPE). 

 Configuration: As a minimum configuration, usually selecting the bandplan is 

required.  

See Section 7.1.3, Profile Configuration. 

 Next, both sides should be activated from the web interface. 

See Section 7.1.6, Line Activation 

 The connection status of the link can be monitored.   

See Section 7.2.1, Line Status 

 

6.1.1 Channel Configuration 
This function is for setting VDSL2 channel. 

 

 

Figure 6.1.1 Channel Configuration Menu 

 
Interleave delay function is used in digital data transmission technology to protect the 
transmission against noise issue and data error. 

If during transit more than a certain amount of data has been lost then the data cannot 
be correctly decoded. Short bursts of noise on the line can cause these data packets 
to become corrupt and the router has to re-request data which in turn can slow down 
the overall rate at which data is transmitted. 

 

Summary of Contents for VC-400LT

Page 1: ...VC 400LT RT VDSL2 CO CPE Router MANUAL Ver B3 VDSL2 CO CPE Router VC 450RT 400LT RT MANUAL ...

Page 2: ...hird party Statement of Conditions In the interest of improving internal design operational function and or reliability RubyTech reserves the right to make changes to the products described in this document without notice RubyTech does not assume any liability that may occur due to the use or application of the product s or circuit layout s described herein Maximum signal rate derived form IEEE St...

Page 3: ... T G 993 2 VDSL2 is an enhancement to G 993 1 VDSL that permits the transmission of asymmetric and symmetric Full Duplex aggregate data rates up to 200 Mbit s on twisted pairs using a bandwidth up to 30 MHz VDSL2 deteriorates quickly from a theoretical maximum of 200 Mbit s Full Duplex at source to 100 Mbit s at 0 3 km symmetric and 50 Mbps at 1 km but degrades at a much slower rate from there and...

Page 4: ...them DO NOT allow anything to rest on the power cord and do NOT locate the product where anyone can work on the power cord DO NOT install nor use your device during a thunderstorm There may be a remote risk of electric shock from lightning DO NOT expose your device to dampness dust or corrosive liquids DO NOT use this product near water for example in a wet basement or near a swimming pool Connect...

Page 5: ...ct Advanced Setup 12 3 4 Select LAN 13 3 4 1 Select LAN Settings and set the IP Address 13 3 4 2 Restart the Settings Dialog 14 Chapter 4 Configure the VC 400LT R via Console 14 4 1 Setup on Hyperterminal 14 4 2 Check IP via CLI command 15 4 3 Reset the system to default configuration 16 Chapter 5 Building a VDSL2 System 17 5 1 Connect the VC 400LT and the VC 400RT to the Line 17 5 2 Connect the V...

Page 6: ...P 39 7 2 4 2 IP Settings 39 7 2 4 3 PPPoE 41 7 2 4 4 DNS 42 7 2 5 LAN 43 7 2 5 1 LAN Settings 43 7 2 5 2 DHCP Client List 44 7 2 5 3 LAN Switch Port Setting 45 7 2 5 4 LAN Port Status 45 7 2 6 NAT 46 7 2 6 1 Virtual Server 46 7 2 6 2 Port Mapping 47 7 2 6 3 DMZ 48 7 2 7 Firewall 48 7 2 7 1 Firewall Options 49 7 2 7 2 Client Filtering 50 7 2 7 3 MAC Control 51 7 2 8 Route Settings 51 7 2 8 1 Static...

Page 7: ...and back for well ventilation Place the VC 400LT R away from direct sunlight heat sources or areas with a high amount of electromagnetic interference Check if network cables and connectors needed for installation are available Do Not install phone lines strapped together with AC power lines or telephone office line with voice signal Avoid installing this device with radio amplifying station nearby...

Page 8: ...ly The board has several connectors 4 x Ethernet RJ 45 jack the Auto MDIX feature of the port switches automatically between MDI and MDI X MDI X Media Dependant Interface Crossover Therefore straight Ethernet cables can be used 2 x RJ 11 jack Line port is for VDSL client side connection to Line interface Phone port is for connection to phone set or FAX machine 1 x Console port access monitoring to...

Page 9: ...ont indicators and rear connectors VC 400LT Outward VC 400RT Outward 2 1 Front Panel The following figure shows the front panel Figure 3 1 1 VC 400LT VC 400RT front panel 2 2 Six LED indicators At a quick glance of the front panel it will be easy to determine if the router has power signal from its Ethernet RJ 45 port or there is phone line signal RJ 11port ...

Page 10: ...DSL2 LINK Green Off The Internet or network connection is down or has malfunctioned Note Two Routers connection may take within 3 minutes is normal due to VDSL2 CO CPE ROUTER to establish a link mechanism is auto negotiation with detects and calculate CO and CPE both PBO and PSD level as well as noise level and other argument etc for getting a better connection 2 4 Rear Panel The following figure ...

Page 11: ...rnet Explorer or Firefox and set screen resolution at 1024 x 768 In order to use the web browser configure the device you may need to allow Web browser pop up windows from your device Web pop up blocking is enabled by default in windows XP SP2 or above Java Scripts Enabled by default Java permissions Enabled by default Launch your web browser and input the IP address 192 168 16 249 VC 400LT or 192...

Page 12: ... 3 2 Select the Menu Level There is an easy Setup Wizard for end users at the VC 400RT and an Advanced Setup for more detail configurations This manual attaches importance to the Advanced Setup Figure 4 2 Select the Advanced Setup in the Entry Screen ...

Page 13: ...e now the IP address will be set Figure 4 3 Advanced Setup Note The settings in the following Section 4 4 only need to be performed in order to change LAN settings Such a change may be necessary when connecting the VC 400LT R to a new control PC and or in order to turn the IP address changed via a shell command into a default address for the next restart of the board ...

Page 14: ... IP address click on LAN Settings Figure 4 4 LAN menu 3 4 1 Select LAN Settings and set the IP Address The form below is used to change the IP address of the LAN port adm0 in the VC 400LT R The proposed IP address is either the default address of adm0 or it is the address changed by an ifconfig command via the shell running in the terminal The Subnet Mask display can be ignored In case the DHCP ch...

Page 15: ... been hit the displayed IP address adm0 port will be stored in a non volatile memory on the VC 400LT R Also the Ethernet link between the control PC and the VC 400LT R will be re initialized even if the IP address has not been changed Refresh the display of the HTTP browser running on the control PC and login again Figure 4 4 2 Login Password The VC 400LT R is ready to be controlled by the control...

Page 16: ...mmands can be used here However please consider that you purchased a VDSL2 router device not a PC And always keep in mind that provider gives you support for configuring a standard VDSL2 router If you try to use the VDSL2 router as a Linux hardware platform and modify its internal software structure there is no support or warranty on the unit 4 2 Check IP via CLI command At the CLI command write t...

Page 17: ... This configuration is activated immediately but is only temporary because not stored in flash memory We recommend you continue configuring by Web method 4 3 Reset the system to default configuration At the CLI command write the command rawaccess e to reset the system to default configuration For it to take effect write the command reboot to restart the system A screen is displayed as shown in Fig...

Page 18: ... wire or line simulator or any other hardware representation of a cable network with or without noise injection and crosstalk simulations 5 2 Connect the VC 400LT and the VC 400RT to LAN Devices In the setup usually an Ethernet tester serves as representation of the LAN side as well as representation of the WAN side 5 3 Run Demos and Tests The Ethernet tester may send data downstream as well as up...

Page 19: ...ration Next both sides should be activated from the web interface See Section 7 1 6 Line Activation The connection status of the link can be monitored See Section 7 2 1 Line Status 6 1 1 Channel Configuration This function is for setting VDSL2 channel Figure 6 1 1 Channel Configuration Menu Interleave delay function is used in digital data transmission technology to protect the transmission agains...

Page 20: ...s that are susceptible to noise this will improve error performance and stability of marginal lines Channel Configuration Settings Setting Description Channel Number To which bearer channel number shall the settings apply Channel 0 Direction To which direction shall the settings apply Upstream Downstream Min Data Rate Minimum Payload Data Rate Max Data Rate Maximum Payload Data Rate Max Interleave...

Page 21: ...t ratio is a major factor in determining the connection speed as the higher the ratio the higher the possible speed The SNRM is a margin which by which the noise level can rise before connection is lost Taking the default target value of 6 dB applied is follow up telecom standard Basically you don t need adjust this value 6 1 3 Profile Configuration For this function VC 400LT R provides world wide...

Page 22: ...RT will auto follow up on the settings of VC 400LT The only thing that VC 400RT must be configured so that the routers will link is the tone mode However the default tone mode for VC 400LT R is V43 so at default there s no need to change the tone mode unless it is required by the telecom companies to use different tone mode Another important thing is that band profile and band plan setting must be...

Page 23: ...lity Band Profile List Band Plan List 0 VDSL2 Profile8a 0 Annex A M1_EU32 1 VDSL2 Profile8b 1 Annex A M9_EU64 2 VDSL2 Profile8c 8 Annex B 997 M2x A B05 3 VDSL2 Profile8d 9 Annex B 997 M2x M B06 4 VDSL2 Profile12a 10 Annex B 997 M1c A 7 B07 5 VDSL2 Profile12b 11 Annex B 998 M1x B B08 6 VDSL2 Profile17a 13 Annex B 998 M2x A B10 7 VDSL2 Profile30a 14 Annex B 998 M2x M B11 8 VDSL2 Profile17b 16 Annex ...

Page 24: ...band plan C8K for distances beyond 900m is not recommended Alternative band profile and band plan 8d and M1_EU32 Distance 0 800m 800 1200m 1200 1500m Beyond 1500m Downstream 60 80Mbps 30 50Mbps 30Mbps X Upstream 15Mbps 5 10Mbps 2 5Mbps X Note Using Band profile 8d and band plan M1_EU32 for distances beyond 1500m is not recommended Band Profile Band Plan 0 1 8 9 10 11 13 14 16 18 20 21 22 23 24 25 ...

Page 25: ...Back link in the left navigation bar A screen is displayed as shown in Figure 6 1 4 Figure 6 1 4 Loop Back Activation Deactivation Menu The screen contains the following details Loop Back Setting Description Channel No To which bearer channel number shall the settings apply Channel 0 Loop System loop or line side loop State Activate or deactivate loop back within the transmission convergence layer...

Page 26: ...nt Any message transmitted through such a channel is immediately received by the same channel Required the packet generator if you would like to use loop back test function 6 1 5 Line Activation This function is for enable disable VDSL2 port Figure 6 1 5 Activation and Deactivation of the Line Line Activation Deactivation Setting Description Line Activate or deactivate the line when you adjust VDS...

Page 27: ...3 26 Figure 6 2 1 Line Status Display Actual SNR Note Band Actual SNR value if the value is 0 dB currently dose not transmit if the value is negative do not currently use For example the above screen display Band1 to Band3 value of 30A mode state ...

Page 28: ... STEADY STATE TC SYNC Idle corresponds to the GEMINAX device state DISABLED and the VDSL2 device state RESET STATE SOCRATES device state DOWN READY fast retrain FASTRETRAIN not supported by VDSL2 silent request Interim state between activation of line and the time this user request is acknowledged by the firmware lowpower l2 LOWPOWER_L2 not supported by VDSL2 Silent corresponds to the GEMINAX devi...

Page 29: ... are not assigned at the moment Note Please note SNR value could not adjust it is automatically generated SNR values will vary on the quality of the copper wire and environment factors 6 2 2 Channel Status This function shows VDSL2 port status Figure 6 2 2 Channel Status Display Data Rate Delay Error Counters and Impulse Noise Protection Note The channel status shows accurate value as data rate CR...

Page 30: ...ersion Info This function shows hardware and firmware version Figure 6 2 3 Display of Version Data The firmware of web interface version Web Interface Version 6 2 4 SNR Graphs When VC 400LT link with VC 400RT this graph will show the SNR value for each band ...

Page 31: ...cking the frequency of the interference often makes it possible to identify its cause The accompanying chart shows the frequencies associated with common interference sources such as T1 E1 and HDSL If the bits per tone are taking a hit and it is determined that noise is not the cause then the cause could be a DC fault such as a bridge tap or a wet section Very low or nonexistent bits per tone in t...

Page 32: ... as the router configuration menu has been ported from that of the reference kit to the VC 400LT R reference board As for the menu there are only a few differences The adm1 port now is the port to the VDSL2 side The port on the LAN is adm0 It supports four Ethernet connections The IP addresses are used in this chapter are different from the examples in the previous chapters The password used in th...

Page 33: ...ect the Advanced Setup in the Entry Screen 7 2 1 Setup Wizard The Setup Wizard is designed for ease of use in order to quickly configure the most common settings The Admin can view the Setup Wizard link in the homepage The wizard first step is to allow the admin to configure the system host settings displayed as shown in Figure 7 2 1 Figure 7 2 1 Setup Wizard s First Step Note There are four steps...

Page 34: ...nfiguration options are displayed in the left navigation bar as shown in Figure 7 2 2 System WAN LAN NAT Firewall Route UPnP VDSL2 Figure 7 2 2 Advanced Setup 7 2 3 System The System link can be viewed in the left navigation bar The following are the options available under System as shown in Figure 7 2 3 Administrator Settings Firmware Upgrade Device Mode System Status Reboot Reset System ...

Page 35: ... s password click on the Administrator Settings link in the left navigation bar A screen is displayed as shown in Figure 7 2 3 1 Figure 7 2 3 1 Administrator Settings Configuration While adding a user each user must assign a separate port Hence the number of users that can be added to the system depends on the number of ports available on the VC 400LT R ...

Page 36: ... the password of the login administrator Characters 3 12 Re type Password This is the password verification Characters 3 12 Auto Logout Time The auto logout time at least one minute Click APPLY to save the information that has been entered Click CANCEL to exit from this page without saving the changes 7 2 3 2 Firmware Upgrade To update the system firmware click on the Firmware Upgrade link in the ...

Page 37: ... VDSL2 CPE ROUTER firmware is different so you can not upgrade them with the same firmware 7 2 3 3 Device Mode The ADM5120 network processor used in the reference system is able to act as either a switch or a router Clicking on Device Mode on the left navigation bar allows the user to change the mode of operation as shown in the following figure Figure 7 2 3 3 Device Mode Notes 1 The default setti...

Page 38: ...in the left navigation bar A screen is displayed as shown in Figure 7 2 3 5 Figure 7 2 3 5 Reboot VC 400LT R Router Click Reboot to restart the unit Wait at least 30 sec and refresh the web browser 7 2 3 6 Reset system To reset the system click on the Reset link in the left navigation bar A screen is displayed as shown in Figure 7 2 3 6 ...

Page 39: ...pgrade the firmware and then automatically reboot All settings will be cleard and return to the default IP 192 168 16 249 192 168 16 250 7 2 4 WAN The WAN settings can be viewed in the left navigation bar The following are the options available under WAN as shown Figure 7 2 4 Dynamic IP IP Settings PPPoE DNS Figure 7 2 4 WAN Setting in Left Navigator Bar ...

Page 40: ...n is displayed as shown in Figure 7 2 4 1 Figure 7 2 4 1 Dynamic IP Configuration The screen contains the following details Click APPLY to save the information that has been entered Click CANCEL to exit from this page 7 2 4 2 IP Settings To configure the WAN interface to use a Static IP Address click on the Static IP link in the left navigation bar A screen is displayed as shown in Figure 7 2 4 2 ...

Page 41: ...ide more IP Address Provides more IP Addresses of the WAN interface Select the check box to enable this option A screen is displayed as shown in Figure 7 2 4 2 Click Add to add IP Address and Subnet Mask IP Pool Starting Address Enter the starting IP Pool Address IP Pool Ending Address Enter the ending IP Pool Address Lease Time Enter the Lease Time from half hour to two weeks Local Domain Name En...

Page 42: ...ter the password again to reconfirm 50 characters maximum Service Name Enter a service name 50 characters maximum Field Description MTU Enter the maximum connection units of the PPPoE The MTU range is 1400 to 1492 bytes By default it is 1492 Maximum Idle Time This is the period of time required to keep the connection alive if no packets are transmitted If no packets are transmitted between LAN por...

Page 43: ...ion bar A screen is displayed as shown in Figure 7 2 4 4 Figure 7 2 4 4 DNS Configuration The screen contains the following details Fields in DNS Field Description Domain Name Server DNS Address Enter the DNS address of the primary DNS server Secondary DNS Address optional Enter the address of the secondary DNS server if available Click APPLY to save the information that has been entered Click CAN...

Page 44: ... LAN Port Status Figure 7 2 5 LAN in Left Navigator Bar 7 2 5 1 LAN Settings Note For the VC 400LT R it is recommended to select a simple IP setting suitable to controlled lab environments Set a static IP address and don t use DHCP The required steps are explained in section 4 4 1 To configure the LAN interface click on the LAN Settings link in the left navigation bar A screen is displayed as show...

Page 45: ... as DHCP Server Enable or disables the DHCP Server of the VC 400LT R Select the check box to enable this option Click APPLY to save the information that has been entered Click CANCEL to exit from this page without saving the changes 7 2 5 2 DHCP Client List To view the DHCP client list click on the DHCP Client List link in the left navigation bar A screen is displayed to list all DHCP client conne...

Page 46: ...ent List Default value is Auto 10 100 Full Half Click APPLY to save the information that has been entered Click CANCEL to exit from this page without saving the changes 7 2 5 4 LAN Port Status To view the All LAN Port Status click on the Lan Port Status link in the left navigation bar The following information provides a view of the current Ethernet ports status of the unit A screen is displayed t...

Page 47: ...l site to access the internet through a single public IP address or multiple public IP address NAT can also prevent hacker attacks by mapping local address to public address for key services such as the Web or FTP The NAT Settings can be viewed in the left navigation bar of VC 400RT only The following are the options available under NAT as shown in Figure 7 2 6 Virtual Server Port Mapping DMZ Figu...

Page 48: ... type of the specified entry Public Port Enter a public port number of the internet user to access the virtual server Enabled Enable the specified entry of the virtual server Click APPLY to save the information that has been entered Click CANCEL to exit from this page without saving the changes 7 2 6 2 Port Mapping To configure Port Mapping click on the Port Mapping link in the left navigation bar...

Page 49: ... the DMZ link in the left navigation bar A screen is displayed as shown in Figure 7 2 6 3 Figure 7 2 6 3 DMZ Configuration The screen contains the following details Fields in DMZ Field Description Enable Enable or disable the DMZ setting of VC 400LT R Select the check box to enable this option IP Address Enter IP Address of the DMZ host Click APPLY to save the information that has been entered Cli...

Page 50: ...e following details Fields in Firewall Options Field Description Enable Hacker Attack Protect Select the check box to log and drop all the hacker attack events Discard PING from WAN Select the check box to drop all PING from the WAN side Discard PING the Gateway Select the check box to drop all PING to VC 400LT R packet for the LAN side Drop Port Scan Select the check box to drop all the port scan...

Page 51: ...ation that has been entered Click CANCEL to exit from this page without saving the changes Field Description Enable Client Filter Enable or disable the Client Filter feature of VDSL2 CO CPE ROUTER Select the check box to enable this option IP Enter the filter IP Address range of the local machines under VDSL2 CO CPE ROUTER Port Enter the filter Port number range of the local machines under VDSL2 C...

Page 52: ...l Enable or disable the MAC address control Block Connection to Internet Enable or disable block status If the check box is selected it blocks the specified MAC address MAC Address Assign the blocking MAC address for local machine Click APPLY to save the information that has been entered Click CANCEL to exit from this page without saving the changes 7 2 8 Route Settings The Route Settings can be v...

Page 53: ...3 52 Figure 7 2 8 Route in Left Navigator Bar 7 2 8 1 Static Routing To setup Static Routing click on the Static Routing link in the left navigation bar A screen is displayed as shown in Figure 7 2 8 1 Figure 7 2 8 1 Static Routing Configuration ...

Page 54: ...n the LAN and WAN For example if we want to activate the Network Time Protocol NTP service and we have to define the Gateway connected to NTP server in the WAN 7 2 8 2 Routing Table List To view the Routing entry table list of VC 400LT R click on the Routing Table List link in the left navigation bar A screen is displayed as shown in Figure 8 2 8 2 Figure 7 2 8 2 Routing Table List The screen cont...

Page 55: ...own in Figure 8 2 9 1 Figure 7 2 9 1 UPnP Configuration The screen contains the following details Fields in UPnP Settings Field Description Enable UPnP To enable or disable UPnP Setting Select the check box to Enable or Disable the UPnP function of SPEED VDSL2 CO CPE ROUTER Click APPLY at any time during configuration to save the information that you have entered Click CANCEL to exit from this pag...

Page 56: ...ter port RJ 11 x 1 Splitter on board Support Downstream Power Back Off DPBO Supports auto speed for VDSL2 port Supports Web management HTTP Supports uPnP PPPoE NAT DHCP DMZ Firewall Supports Console RS 232C Supports Route Switch Bridge mode Supports Loop back test Supports SNR indicator for checking phone wiring quality Supports Interleave Delay to prevent against noise and data errors Support 8a ...

Page 57: ...ation Power LED Link Active Status for Ethernet port 4 Link LED for VDSL2 port Switch method Store and forward Console port RS 232C 115200bps Flow control Full duplex IEEE 802 3x Half duplex Back pressure Power Consumption VC 400LT LT 5 52W VC 400RT NT 6 12W Operating Temperature 0 C 50 C 32 F 122 F Storage Temperature 20 C 65 C 4 F 149 F Humidity 10 to 90 non condensing Weight About 0 96kg Dimens...

Page 58: ... to mixed use of new and old hardware VDSL2 routers Solution 1 Using the console reboot the system and go to loader menu Select set boot parameters and select the VDSL2 CO CPE mode correctly Select 1 if it is CO router and 0 if it is CPE router Do not just press enter to skip the setting as it will not retain even if the setting is correct then it will become unknown causing the VDSL2 router not t...

Page 59: ... 6 for data transmission purposes Table C 1 Table C 1 RJ 45 Ethernet Connector Pin Assignments MDI MDI X PIN Signal Media Dependa nt interface Signal Media Dependant interface cross 1 TX Transmit Data RX Receive Data 2 TX Transmit Data RX Receive Data 3 RX Receive Data TX Transmit Data 4 Unused Unused 5 Unused Unused 6 RX Receive Data TX Transmit Data 7 Unused Unused 8 Unused Unused Figure C 1 Sta...

Page 60: ...le C 2 RS 232 Connector Pin Assignments Description Pin I O Signal Name Not used 1 Receive data input 2 In RXD Transmit data output 3 Out TXD Data terminal ready output 4 Out DTR Interface signal ground 5 GND Data set ready input 6 In DSR Not used 7 Not used 8 Not used 9 The CDEs have one standard serial port connector located on the back of the device Figure C 4 shows the pin number assignments f...

Page 61: ... the party responsible for compliance could void the user s authority to operate the equipment If this telephone equipment causes harm to the telephone network the telephone company will notify you in advance that temporary discontinuance of service may be required But if advance notice isn t practical the telephone company will notify the customer as soon as possible Also you will be advised of y...

Page 62: ...uipment can generate use and radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at owner s expense CE Mark Warning This is a CE class A...

Page 63: ...which contain defects which are in any way attributable to improper installation or to alteration or repairs made or performed by any person not under control of the original owner The above warranty is in lieu of any other warranty whether express implied or statutory including but not limited to any warranty of merchantability fitness for a particular purpose or any warranty arising out of any p...

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