NV-202 User's Manual Ver_A4
Contents
1. 10 VA oR BoA bridge ADDIIGSIIOT 12 etsy 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 HARDWARE 13 3 A Front Fr Ale ee m 14 SN seule m EE 15 FROM IN nm 16 CABLE REQUIREMENTS 22 ME PRODUCT SPECIFICATION 24 DIN RAIL MOUNT INSTALLATION nnns 26 TROUBLESHOOTING 27 COMPLIANCE INFORMATION nnn nnns 34 ERE PERFORMANCE TABLE OO 37 RR UU m 39 CHINESE SIT 11964 2000 Rapt Uv 40 snetsy 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 ea ul zi UNPACKING INFORMATION 1 1 Check List Carefully unpack the package and check its contents against the checklist Package Contents RE 1 x NV 202 1x QR code for user s Accessory manual hyperlink 1 Ehternet Cable 4 x Rubber Feet 1 x DC12V Adapter Notes 1 Please inform your dealer immediately for any missing or damaged parts If possible retain the carton includi2. 4 Utm NV 202 VDSL2 Bridge with DIP Switeh USER S MANUAL zw rittp Www netsys com tw snetsy 5 NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 Copyright Copyright 2012 by National Enhance Technology Corp All rights reserved Trademarks NETSYS is a trademark of National Enhance Technology Corp Other brand and product names are registered trademarks or trademarks of their respective holders Legal Disclaimer The information given in this document shall in no event be regarded as a guarantee of conditions or characteristics With respect to any examples or hints given herein any typical values stated herein and or any information regarding the application of the device National Enhance Technology Corp hereby disclaims any and all warranties and liabilities of any kind including without limitation warranties of non infringement of intellectual property rights of any third party Statement of Conditions In the interest of improving internal design operational function and or reliability NETSYS reserves the right to make changes to the products described in this document without notice NETSYS 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 from IEEE Standard specifications Actual data throughput will vary Network conditions and environmental factors including volume of networ
3. 50 14 92 24 12 25 45 2 05 13 36 23 04 22 03 1 94 11 52 72 91 73 3 16 81 16 82 1 80 9 01 57 09 55 79 12 33 16 53 1 73 7 14 46 99 44 25 5 72 15 9 1 65 5 43 39 40 32 06 4 65 15 08 Note The performance data above is for reference only the actual data rate will vary depending on the quality of the copper wire and environment factors 38 5 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 Warranty The original product that the owner delivered in this package will be free from defects in material and workmanship for one year parts after purchase There will be a minimal charge to replace consumable components such as fuses power transformers and mechanical cooling devices The warranty will not apply to any products which have been subjected to any misuse neglect or accidental damage or 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 proposal specification or sample We shall not be liable for incidental or consequential damages We neither assume nor authorize any person to assume for it any other liability WARNING WARNING W Void
4. Data or home entertainment services Caution 5 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 Safety Warnings For your safety be sure to read and follow all warning notices and instructions before using the device 9 9 9 9 9 DO open the device or unit Opening or removing the cover expose you to dangerous high voltage points or other risks ONLY qualified service personnel can service the device Please contact your vendor for further information Use ONLY the dedicated power supply for your device Connect the power to the right supply voltage 110V AC used for North America and 230V AC used for Europe Place connecting cables carefully so that no one will step on them or stumble over 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 ONLY suitable accessories to the device Make sure to connect the cables to the correct ports DO NOT obstruct the device ventilation slots as insufficient air flow may harm your device DO NOT place items on the device DO NOT use the device for outdoor applications di
5. Re d DO NOT TEAR OFF OR REMOVE THE WARRANTY STICKER AS SHOWN OR THE WARRANTY IS VOID 39 netsys Chinese SJ T 11364 2006 NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver A4 HEC OU WK WE Pb Hg Cr V PBB PBDE 5 S A O O 5 5 O s O SVT 11364 2006 X SJ T 11364 2006 40
6. depends on speed Figure 2 6 VDSL2 APPLICATION DIAGRAM netsys es Phone Wiring Ethernet Cable NV 202 CO mode ue Server Display inm qa E Printer Figure 2 6 NV 202 point to point applications etsy 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 ETSI Hardware Description This section describes the important parts of the bridge It features the front panel and rear panel NV 202 Outward netsy 5 NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 3 1 Front Panel Figure 3 1 Front Panel Tip And the table shows the description Table 3 1 Table 3 1 Description of the bridge front connectors Connectors Type Description LAN1 LAN2 RJ 45 For connecting to an Ethernet equipped device netsys 3 2 Front Indicators NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver A4 The bridge has Eight LED indicators The following Table shows the description Table 3 2 Table 3 2 LED Indicators Description and Operation PWR Power LED LAN 1 2 Ethernet LED CO Local Side CO LED CPE Remote Side CPE LED LINE VDSL LINK LED On Steady Lights to indicate that the VDSL2 bridge had power Off The device is not ready or has malfunctioned On Steady The device has a good Ethernet connection The device is sending or receiving data
7. 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 class B product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures 35 snetsy 5 NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 WEEE Warning To avoid the potential effects on the environment and human health as a result of the presence of hazardous substances in electrical and electronic equipment end users of electrical and electronic equipment should understand the meaning of the crossed out wheeled bin symbol Do not dispose of WEEE as unsorted municipal waste and have to collect such WEEE separately 36 netsys e Performance Table Test Environment NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver A4 VDSL2 Bridge CO Mode x 1 NV 202 CO Mode Pin1 ON Operation System Windows XP Phone Wire 24 AWG simulator card Test Conditions Noise injection 37 5 5 NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 Spectrum 300K 30MHz US Up Stream DS Down Stream Reference only 28 58 26 87 2
8. of thumb is that wiring sharing similar electrical characteristics can be bundled together You should separate input wiring from output wiring We recommend that you mark all equipment the wiring system 21 netsys Cable Requirements Ethernet Cable A CAT 3 7 UTP unshielded twisted pair cable is typically used to connect the Ethernet device to the bridge A 10Base T cable often consists of four pairs of wires two of which are used for transmission The connector at the end of the 10Base T cable is referred to as an RJ 45 connector and it consists of eight pins The Ethernet standard uses pins 1 2 3 and 6 for data transmission purposes Table A 1 Table A 1 RJ 45 Ethernet Connector Pin Assignments NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver A4 MDI MDI X PIN Media Dependant _ Media Dependant Signal Signal interface 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 Figure A 1 Standard RJ 45 repectacle connector 7 Unused Unused 8 Unused Unused Note Please make sure your connected cables are with same pin assignment as above table before deploying the cables into your network 22 netsys NV 202 VDSL2 Bridge with DIP Switch US
9. Consult the dealer or an experienced radio television technician for help DUM Mc Changes or modifications not expressly approved by 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 your right to file a complaint with the FCC if you believe itis necessary The telephone company may make changes in its facilities equipment operations or procedures that could affect the 34 snetsy 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 proper functioning of your equipment If they do you will be notified in advance in order for you to make necessary modifications to maintain uninterrupted service This equipment may not be used on coin service provided by the telephone company Connection to party lines is subject to state tariffs FCC Warning This equipment has been tested to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment can generate use and radiate radio frequency energy and
10. ER S MANUAL Ver A4 White Orange ES White Orange Orange Orange ES White Green White Green Blue Blue White Blue White Blue Green Green ES White Brown White Brown Brown Brown Figure A 2 Pin Assignments and Wiring for an RJ 45 Straight Through Cable White Orange White Green Orange Green ES White Green ES White Orange EH Blue Eg White Brown White Blue Brown Green B Orange White Brown Blue Brown White Blue Figure A 3 Pin Assignments and Wiring for an RJ 45 Crossover Cable 23 5 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 46912151479 di 28 Product Specification Key Features amp Benefits Supports RJ 11 Terminal Block combo for Line port Supports high bandwidth up to 100Mbps symmetric over Line ports Support long reach mode up to 3 km with 24 gauge phone wire Support auto speed for Line port and Interleave mode selectable through CO side switch switch with CO and CPE mode selectable Supports long packet size up to 1536 bytes Supports Surge protection Supports wall mounting Supports DIN Rail mount installation Optional Compact size and metal case design Supports point to point applications 2 x RJ 45 10 100Mbps auto negotiation Ethernet port 1 x RJ 11 Terminal Block connector for VDSL2 line port Physical Interfac
11. Off The LAN is not connected On Steady Indicate the VDSL2 bridge is running at CO Master mode On Steady Indicate the VDSL2 bridge is running at CPE Slave mode On Steady The Internet or network connection is up Blinking slowly The CO device is auto detecting CPE device 1 The CO device has detected a CPE device and ready to connect 2 The device is sending or receiving data Off The Internet or network connection is down or has malfunctioned Note It is normal for the connection between two bridged to take up to 3 minutes due to NV 202 to establish a link mechanism in auto negotiation that detects and calculates CO and CPE both PBO and PSD level noise levels and other arguments for getting a better connection netsy 5 NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 3 3 Rear Panel The following figure shows the rear panel Figure 3 2 Figure 3 2 Rear Panel And the table shows the description Table 3 3 Table 3 3 Description of the bridge front connectors Connectors Type Description External Power Adapter Input AC 85 240Volts 50 60Hz Output DC 12V 1A Esnh etd Please connect the ground lug to the earth To prevent an electric Ground shock when user touches Power DC Power Jack The following figure shows the DIP switch connection By switching the transmission modes you can obtain a best transmission mode to suit with phone line quality or distance or conn
12. e 24 etsy 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 1 x DIP Switch 1 x Power Jack RJ 45 Ethernet Category 3 7 UTP STP RJ 11 VDSL2 Twisted Pair phone wire 1 x Power LED 2 x Link Active Status for Ethernet port LED Indicators 1 x Link LED for VDSL2 port 1 x CO Mode indicator LED 1 x CPE Mode indicator LED VDSL2 Line Code Discrete multitone DMT modulation VDSL 2Transmission Mode Packet Transfer Mode PTM Typical Power Consumption 5W 000000 Power Requirement Input Voltage 12VDC 1A Commercial grade Power Adapter EMI Compliant FCC class B EMS Compliant CE mark Fanless free air cooling Storage Temperature 20 C 70 C 4 F 158 F Humidity 10 to 90 non condensing Weight AboutO34kg 2 2 2 2 2 00000000 0 Dimension 95x110x27mm 3 74 x4 33 x106 25 5 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 ppendix DIN Rail mount installation This appendix describes how to install the DIN Rail to the bridged The accessory is optional Please refer to install the DIN RAIL as following step 1 Install the DIN Rail mounting plate to the NV 202 Figure C 1 2 Please use the suitable DIN Rail to install please refer to the dimensions of the DIN Rail Figure C 2 3 Insert the top of the DIN Rail into the top slots on the DIN Rail mounting plate and the DIN Rail mounting plate will snap into plac
13. e Figure C 3 7 5 a 25 35 e Unit mm Ei el Figure C 1 Figure C 2 Figure C 3 26 snetsys 46919151479 BH Troubleshooting Diagnosing the Bridge s Indicators The bridge can be easily monitored through its comprehensive panel indicators These indicators assist the network manager in identifying problems the hub may encounter This section describes common problems you may encounter and possible solutions NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver A4 Cause Defective External power supply ERROR eo oo ee ee ORISA EOE IAOEE eRe ICA EIE QM eR RR D E DECRE D DEC D DAC C DAD CER C GET Check the power plug by plugging in another that is functioning properly Check the power cord with Solution another device If these measures fail to resolve the problem have the unit power supply replaced by a qualified distributor Sr odes cemento iu ee RO Pe i err Kee re Network interface network adapter card on the attached device network cable or switch port is defective 1 PE 2 1 Power off and re power on the VDSL bridged 2 2 Verify that the bridge and attached device are power on 2 3 Be sure the cable is plugged int
14. e Cause bandwidth of testing outcome will be limited by TCP window size 4 Some operating system limited the maximum bandwidth such as windows series OS p mM We recommend to test VDSL2 bandwidth best by Smartbit equipment Packet generator if you Solution don t have Smartbit we recommend test that by IPERF program and TCP window size must be setted max 64k the parameter as iperf c server IP address 1 t 50 w 65535 for client side ee RE E EEEE AAEE EEEE SAAE i Regarding the NV 202 point to point band profile plan The short cable lengths default profile is 30a with the growth of distance until the profile 30a cannot establish link it will auto change to profile 17a of long reach mode In addition to NV 202 point to point band plan will depending on with different distance to automatically configure different parameters Solution netsy 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 System Diagnostics Power and Cooling Problems If the POWER indicator does not turn on when the power cord is plugged in you may have a problem with the power outlet power cord or internal power supply However if the unit power is off after running for a while check for loose power connections power losses or surges at the power outlet If you still cannot isolate the problem then the internal power supply may be defective In this case please contact your local dealer Installa
15. e originally deployed for traditional telephone service It can be deployed from central offices from fiber optic connected cabinets located near the customer premises or within buildings It was defined in standard ITU T G 993 2 finalized in 2005 VDSL2 was the newest and most advanced standard of digital subscriber line DSL broadband wireline communications Designed to support the wide deployment of triple play services such voice video data high definition television HDTV and interactive gaming VDSL2 was intended to enable operators and carriers to gradually flexibly and cost efficiently upgrade existing xDSL E E 5 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 infrastructure The protocol was standardized in the International Telecommunication Union telecommunications sector ITU T as Recommendation G 993 2 It was announced as finalized on 27 May 2005 1 and first published on 17 February 2006 Several corrections and amendments were published in 2007 through 2011 VDSL2 is an enhancement to very high bitrate digital subscriber line VDSL Recommendation G 993 1 It permits the transmission
16. ectivity Figure 3 3 16 5 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver Figure 3 3 DIP switch setting The following is table of DIP Switch configuration Table 3 4 Table 3 4 DIP Switch Configuration On OFF CO CPE Mode Interleave INP On CO Mode High Band 9db 8ms INP 2 Off CPE Mode Low band 6db ims INP 0 Note 1 The DIP switch default values are OFF 2 Please power off NV 202 before making any transmission mode configuration 4 5 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 PIN1 ON CO Central Office Mode or called Local Side usually the CO device will be located at the data enter of enterprise to link to the backbone OFF CPE Customer Premises Equipment Mode or called Remote Side usually the CPE side will be located at factory weather station and train station as the long reach data receiver Tip PIN2 ON High Band Mode 500KHz to 30MHz and enable VDSL2 spectrum is 500KHz to 30MHz It can pass through ISDN spectrum 0 499KHz are empty OFF Low Band Mode 300KHz to 30MHz the NV 202 will auto detect the cable length and auto choice speed mode PIN3 When SNR margin is selected the system provide 6db 9db SNR margin for across all usable loop length Please note that the 6db SNR margin is for telecom standard Generally speaking the higher SNR value gets better line quality but lower performa
17. ects of the installation do not exceed recommendations System Integrity As a last resort verify the switch integrity with a power on reset Turn the power to the switch off and then on several times If the problem still persists and you have completed all the preceding diagnoses then contact your dealer 33 5 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 46912151479 lH Compliance Information FCC Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for a computing device pursuant to Part 15 of FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if 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 interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver The equipment and the receiver should be connected to outlets on separate circuits
18. he ratio is usually measured in decibels dB Answer The signal to noise ratio the bandwidth and the channel capacity of a communication channel are connected by the Shannon Hartley theorem In digital communications the SNR will probably cause a reduction in data speed because of frequent errors that require the source transmitting computer or terminal to resend some packets of data SNR measures the quality of a transmission channel over a network channel The greater the ratio the easier it is to identify and subsequently isolate and eliminate the source of noise 1 Some testing program which is base on TCP IP protocol such as FTP Iperf NetIQ the Cause bandwidth of testing outcome will be limited by TCP window size 2 Some operating system limited the maximum bandwidth such as windows series OS _ Wa recommend in test VSL bandwidih best by Smarts equioment Packel cenereiny Solution don t have Smartbit we recommend test that by IPERF program and TCP window size must be setted max 64k the parameter as iperf c server IP address 1 t 50 w 65535 for client side 5 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 3 Some testing program which is base on TCP IP protocol such as FTP Iperf NetlQ th
19. idge to loose sync with the exchange Using Interleaving the bridge is able to re assemble the data or if necessary just re request the part of the data that it is unable to recover By increasing the interleave depth of each ports that are susceptible to noise this will improve error performance and stability of marginal lines setsy 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 INP Impulse Noise Protection Impulse noise in multicarrier communication systems behaves effectively as a modulating signal that controls the first moment of the background Gaussian noise The composite noise which is the aggregate of the Gaussian noise and impulse noise has a probability density function that is conditionally Gaussian with non zero average hence referred to as biased Gaussian The BER equivalent power of the composite noise source is defined as the power of a pure Gaussian noise source that yields the same bit error rate BER The BER equivalent noise for a biased Gaussian noise is simply the amplified version of the underlying Gaussian noise source The amplification factor is derived from the characteristics of the impulse interference Any bit loading algorithm designed for Gaussian noise sources is also applicable to biased Gaussian noise sources provided that the BER equivalent SNR is used in place of the measured SNR SNRM Signal to Noise Ratio Margin It s very similar to a conversation at a party and it s dealt with in the sa
20. k traffic building materials and construction and network overhead lower actual data throughput rate Netsys does not warrant that the hardware will work properly in all environments and applications and makes no warranty and representation either implied or expressed with respect to the quality performance merchantability or fitness for a particular purpose Make sure you follow in line with the environmental conditions to use this product etsy 5 NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 Foreword VDSL2 solution Attention Be sure to read this manual carefully before using this product Especially Legal Disclaimer Statement of Conditions and Safety Warnings NV 202 is a VDSL2 single port bridge equipped with two 10 100Mbps Ethernet ports that provide an economical solution for commercial grade applications Compliant with ITU T G 993 2 VDSL2 standard the NV 202 supports a maximum bandwidth of up to 100Mbps symmetric in VDSL2 Profile 30a solution The NV 202 also supports both central office CO and customer premises equipment CPE modes selectable through DIP Switch Since VDSL2 has the characteristic of higher bandwidth over shorter distances the ideal architecture for Telecoms is to use fiber optic lines as the backbone and a VDSL2 line as the last mile into the home or office With outstanding throughput the NV 202 can complement a fiber network to offer the best solution for delivering Triple play Video Voice
21. me way we naturally account for both distance from the other person and the amount of background noise When we do we don t just talk loud enough to be heard we speak a bit louder waiting for the idiot with the stupid loud laugh to start up again We add a bit extra on to make sure we re louder than the average change in background noise That 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 Safety Caution 20 netsys Grounding the NV 202 NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver A4 NV 202 is designed to enhance EMS performance by grounding NV 202 comes with for grounding the switches For optimal EMS performance connection of the left side of the NV 202 rear panel ground lug to the grounding point Before user installed power and device please read and follow these essentials Use separate paths to route wiring for power and devices If power wiring and device wiring paths must cross make sure the wires are perpendicular at the intersection point Note Do not run signal or communications wiring and power wiring through the same wire conduit To avoid interference wires with different signal characteristics should be routed separately Youcan use the type of signal transmitted through a wire to determine which wires should be kept separate The rule
22. nce PIN4 ON Interleaved mode has a maximum end to end latency of 8m sec and 2 When field environment has heavy noise in order to obtain high link quality user can config pin4 to ON but this function will reduce performance OFF Interleaved mode provides impulse noise protection for any impulse noise with duration less than 1ms snetsy 5 NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 TIP Reference Only 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 bridge has to re request data which in turn can slow down the overall rate at which data is transmitted Interleaving is a method of taking data packets chopping them up into smaller bits and then rearranging them so that once contiguous data is now spaced further apart into a non continuous stream Data packets are re assembled by your bridge The diagram below is an example of how interleaved traffic is transmitted Blocks of Data of Data Rew ones nen NA a Interleaved data stream If your line is particularly susceptible to bursts of noise then interleaving should improve your VDSL2 experience simply because if you lose a whole batch of data then this could cause your br
23. ng the original packing materials Use them to repack the unit in case there is a need to return for repair 2 If the product has any issue please contact your local vendor 3 Do not use sub standard power supply Before connecting the power supply to the device be sure to check compliance with specifications The NV 202 uses a DC12V 1A power supply 4 The power supply included in the package is commercial grade Do not use in industrial grade applications 5 If you would like to use the telephone please purchase a suitable external splitter and install to the line port 6 Please look for the QR code on the bottom of the product the user can launch the QR code scanning program to scan and download the user s manual electronic format file Above QR code icon is for reference 5 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 Installing the Bridge 2 1 Hardware Installation This chapter describes how to install the bridge and establish the network connections The NV 202 may be installed on any level surface e g a table or shelf or rail However please take note of the following minimum site requirements before one begin 2 2 Pre installation Requirements Before you start the actual hardware installation make sure you can provide the right operating environment including power requirements sufficient physical space and proximity to other network devices that are to be connected Verify
24. o both the bridge and corresponding device Solution 2 4 Check if the proper cable type is used and its length exceed specified limits 2 5 Check the bridge on the attached device and cable connections for possible defects 2 6 Make sure the phone wire must be connecting NV 202 first when powered on 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 1 Solution nn VDSL setting failure or phone cable length is over the specification limit 3 1 Please make sure that the phone wire must be connected between NV 202 CO and NV 202 CPE when both are power on NV 202 CO will do link speed function depending on phone wire length therefore if NV 202 CO can t detect NV 202 CPE over phone wire while both power on this will cause the link to fail 3 2 Please check the phone wire we recommend use 24 gauge with twisted pair but without rust and the length is not over 3 km 3 3 Please check the right Dip Switch setting CO PIN1 ON CPE PIN1 OFF 3 4 Please reinsert power adapter when changing cable length or link time over 3 minutes de Phone wire must meet 3 standard or above without clustering otherwise will cause more cross talk issue to reduce DSL power driver Answer SS RR i Very high speed digital subscriber line 2 VDSL2 is an access technology that exploits the existing infrastructure of copper wires that wer
25. of asymmetric and symmetric aggregate data rates up to 200 Mbit s downstream and upstream on twisted pairs using a bandwidth up to 30 MHz VDSL2 deteriorates quickly from a theoretical maximum of 250 Mbit s at source to 100 Mbit s at 0 5 km 1 600 ft and 50 Mbit s at 1 km 3 300 ft but degrades at a much slower rate from there and still outperforms VDSL Starting from 1 6 km 1 mi its performance is equal to ADSL2 ADSL like long reach performance is one of the key advantages of VDSL2 LR VDSL2 enabled systems are capable of supporting speeds of around 1 4 Mbit s downstream over distances of 4 5 km 2 5 3 miles gradually increasing the bit rate up to symmetric 100 Mbit s as loop length shortens This means that VDSL2 based systems unlike VDSL1 systems are not limited to short local loops or MTU MDUs only but can also be used for medium range applications 29 etsy 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 Signal to noise ratio often abbreviated SNR or S N is a measure used in science and engineering that compares the level of a desired signal to the level of background noise It is defined as the ratio of signal power to the noise power A ratio higher than 1 1 indicates more signal than noise While SNR is commonly quoted for electrical signals it can be applied to any form of signal Such as isotope levels in an ice core or biochemical signaling between cells T
26. rectly and make sure all the connections are indoors or have waterproof protection place Be careful when unplugging the power because it may produce sparks Keep the device and all its parts and accessories out of the reach of children Clean the device using a soft and dry cloth rather than liquid or atomizers Power off the equipment before cleaning it This product is recyclable Dispose of it properly netsys TABLE OF CONTENTS NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver A4 COPYRIGHT M 1 FOREWORD VDSL2 SOLUTION nt 2 SAFE TY WARNINGS SR 3 UNPACKING INFORMATION 6 5 EA 6 INSTALLING THE BRIDGE nnns 7 2 1 Hardware cci eet bete cete teet lieben uellet ad dv ele o lv ete d nba 7 2 2 Pre installation Requirements pp 7 2 3 General RULES 8 2 4 Connecting the I ees 9 2 5 Connecting the RJ 11 RJ 45 POTIS
27. rse the two wires of the phone cable when installed RJ 11 Pin out Assignments Pin MNEMONIC FUNCTION 1 NC Unused 2 NC Unused 3 DSL Used 4 DSL Used 5 6 Unused _ netsys e External Splitter Our devices support both ISDN interfaces U 2w and S T 4w When using an external splitter make sure that you are using one that is compatible with the interface you want to use NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver A4 2 4 Connecting the Bridge The bridge has two Ethernet ports which support connection to Ethernet operation The devices attached to these ports must support auto negotiation or 10Base T or 100Base TX unless they will always operate at half duplex Use any of the Ethernet ports to connect to devices such as Monitor system Server Switch bridge or router Notes 1 The RJ11 Line port is used to connect the telephone that is connected to VDSL2 CO and CPE bridge Point to point solution 2 The Slave device CPE must be connected to the Master device CO through the telephone wire The Slave cannot be connected to another Slave and the Master cannot be connected to another Master Please confirm the DIP switch status before the link is established netsy 5 NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 2 5 Connecting the RJ 11 RJ 45 Ports The line port has 2 connectors RJ 45 and terminal block It is
28. the following installation requirements Power requirements DC 12V power The bridge should be located in a cool dry place with at least 10cm 4in of space at the front and back for ventilation Place the bridge away from direct sunlight heat sources or areas with a high amount of electromagnetic interference Check if the 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 or transformer station nearby netsys 2 3 General Rules NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver A4 Before making any connections to the bridge please note the following rules Ethernet Port RJ 45 All network connections to the bridge Ethernet port must be made using Category 5 UTP STP or above for 100Mbps Category 3 4 UTP for 10Mbps No more than 100 meters of cabling may be use between the MUX or HUB and an end node VDSL2 Port RJ 11 All network connections to the RJ 11port must use 24 26 gauge with twisted pair phone wiring We do not recommend the use of the telephone line 28 gauge or above The RJ 11 connectors have six positions two of which are wired The router uses the center two pins The pin out assignment for these connectors is presented below Please note that the line port is no polarity therefore user can reve
29. tion Verify that all system components have been properly installed If one or more components appear to be malfunctioning e g the power cord or network cabling test them in an alternate environment where you are sure that all the other components are functioning properly Transmission Mode The default method of selecting the transmission mode for RJ 45 ports is 10 100 Mbps ETHERNET for RJ 11 port are auto negotiation VDSL Therefore if the Link signal is disrupted e g by unplugging the network cable and plugging it back in again or by resetting the power the port will try to reestablish communications with the attached device via auto negotiation If auto negotiation fails then communications are set to half duplex by default Based on this type of industry standard connection policy if you are using a full duplex device that does not support auto negotiation communications can be easily lost i e reset to the wrong mode whenever the attached device is reset or experiences a power fluctuation The best way to resolve this problem is to upgrade these devices to a version that support Ethernet and VDSL Physical Configuration If problems occur after altering the network configuration restore the original connections and try to track the problem 32 5 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 down by implementing the new changes one step at a time Ensure that cable distances and other physical asp
30. used to connect with NV 202 CO using single pair phone cable to NV 202 CPE bridge side point to point solution Take note that NV 202 line port RJ 11 and terminal block cannot be used at the same time Either RJ 11 port is connected or terminal block is connected using straight connection Figure 2 4 or cross over connection Figure 2 5 RJ 11 Black Line Valid RJ 11 Black Line Valid Terminal Blobk Red Line Valid Terminal Blobk Red Line Valid Black Red Invalid Black Red Invalid Figure 2 4 NV 202 line ports straight connection Figure 2 5 NV 202 line ports crossover connection When inserting a RJ 11 plug make sure the tab on the plug clicks into position to ensure that it is properly seated Do not plug a RJ 11 phone jack connector into the Ethernet port RJ 45 port This may damage the bridge Instead use only twisted pair cables with RJ 45 connectors that conform to Ethernet standard netsys Notes NV 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver A4 setsy 5 202 VDSL2 Bridge with DIP Switch USER S MANUAL Ver 4 2 6 VDSL2 bridge Application The bridge s line port supports 100Mbps for data service across existing phone wiring It is easy to use which do not requires installation of additional wiring Every modular phone jack in the home can become a port on the LAN Networking devices can be installed on a single telephone wire that can be installed within suitable distance
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