Instruction/ maintenance manual of the product VLC1324G ZyXEL Communications
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www .zyxel.com VLC1324G VDSL2 Line Card User ’ s Guide V ersion 3.95 4/2010 Edition 1.
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About This User's Guide VLC1324G User’s Guide 3 About This User's Guide Intended Audience This manual is intended for users of the VL C1324G VDSL2 Line Card and th e VSC1224-41 Splitter Card. It describes detailed informatio n about the cards’ features and hardware.
About This User's Guide VLC1324G User’s Guide 4 If you have a specific ques tion about your product, the answer may be he re. This is a collection of answers to previously asked questions about ZyXEL products. •F o r u m This contains discussions on ZyXEL products.
Document Conventions VLC1324G User’s Guide 5 Document Conventions W arnings and Notes These are how warnings and notes are shown in this User ’ s Guide.
Safety Warnings VLC1324G User’s Guide 6 Safety Warnings 1 For your safety , be sure to read and follow all warni ng notices and instructions. • Do NOT use this product near water , for example, in a wet basement or near a swimming pool. • Do NOT expose your device to dampness, dust or corrosive liquids.
Table of Contents VLC1324G User’s Guide 7 Table of Contents About This User's Guide ........................................... ............................................................. .. 3 Document Conventions.............................
Table of Contents VLC1324G User’s Guide 8 3.6 The Line Card is Not Manageable ... ................ ............. ................ ............. ................ .......... 33 3.6.1 Uploading the Default Co nfiguration File via Boot Commands ........
List of Figures VLC1324G User’s Guide 9 List of Figures Figure 1 Front Panel ........................ ................ ................ ............. ................ ............. ........ .............. ....... 20 Figure 2 Front Panel of VSC1224-41 .
List of Figure s VLC1324G User’s Guide 10.
List of Tables VLC1324G User’s Guide 11 List of Tables T able 1 VDSL2 Profile Maximum Tran sfer Rates ........... ............. ............. ................ ............. ............... .1 3 T able 2 Front Panel Ports ........... ................
List of Tables VLC1324G User’s Guide 12.
VLC1324G User’s Guide 13 C HAPTER 1 VLC Overview This chapter introduces the VDSL2 line card's general feat ures, default settin gs and hardware. 1.1 VLC Overview The VLC VDSL2 Line Card is perfect for ISPs or large building applications seeking to provide high band width broadband services to subscribers wh ile minimizing costs.
Chapter 1 VLC Overview VLC1324G User’s Guide 14 VDSL2 Compliance •I T U - T -G .993.2 -G .994.1 Discrete Multi-T one (DMT) Modulation The VLC is a D MT -based VDSL2 so lution which dynamically adapts the bit transfer rate to conditions on the local loop.
Chapter 1 VLC Overvie w VLC1324G User’s Guide 15 VDSL2 to ADSL2+ Fallback The VLC can au tom a tic a lly use ADSL2+ for connections wh ere VDSL2 training fails. This allows a longer co nnection distan ce. Spectral Mask PSD (Power Spectral Density) defines th e di stribution of a VDSL line’ s power in the frequency domain.
Chapter 1 VLC Overview VLC1324G User’s Guide 16 Alarm LED An ALM (alarm) LED lights when the VLC is overh eated or the vol tage readings are outside the tolerance levels and turns of f when the temperature or voltage ha s returned to a normal level.
Chapter 1 VLC Overvie w VLC1324G User’s Guide 17 MAC (Media Access Control) Filter Use the MAC filter to deny or accept incoming frames based on MAC (Media Access Control) address(es) or OUI (Org anizational Unit Identif ier) that you specify . Y ou may enable/disable the MAC filter on specific ports.
Chapter 1 VLC Overview VLC1324G User’s Guide 18 St atic Multicast Use static multicast to allow incoming frame s based on multicast MAC address(es) that you specify . This feature can be u sed in conjunction with IGMP snooping to allow multicast MAC address(es) that are not learned by IGMP sn ooping.
Chapter 1 VLC Overvie w VLC1324G User’s Guide 19 DHCP Snooping DHCP snooping allows the system to identify packets with DHCP server assigned IP address(es) and block access of device s using u nknown IP addresses on a subscriber port. Y ou can also manually add static IP addr esses to the DHCP snooping table.
Chapter 1 VLC Overview VLC1324G User’s Guide 20 1.4 Front Panel of VLC The figure below shows the fro nt panel of the VLC. Figure 1 Front Panel 1.5 Port s and LEDs of VLC These are the details of the VLC ports and LEDs. 1.5.1 Port s The following table describes the port labels on the front panel.
Chapter 1 VLC Overvie w VLC1324G User’s Guide 21 A 24 port POTS splitter is used to differentiate anal og signal from the VDSL2 band. The VLC1324G-51 uses the VSC122 4-4 1 and the VLC1324G-53 use s the VSC1224-43U. The splitter is installed in the splitter chassis.
Chapter 1 VLC Overview VLC1324G User’s Guide 22.
VLC1324G User’s Guide 23 C HAPTER 2 VLC Specifications This chapter gives details about the line card hardware and features. 2.1 VLC Product S pecifications T able 4 VLC Specifications Dimensions 390.
Chapter 2 VLC Specifications VLC1324G User’s Guide 24 Certifica tions RoHS & WEEE compliant NEBS compliant ETSI 300-019 K.20 Safety EN60950-1 EN41003-1 ETSI300-386 CSA60950-1 UL60950-1 IEC60950-.
Chapter 2 VLC Specifications VLC1324G User’s Guide 25 2.2 VLC Firmware Naming Conventions A firmware version includes the model code and release number as shown in the following examples: Firmware V e rsion: V3.9 5 ( A Y L.0), V3.9 5 (BB W . 0) “A YL” or “BBW” is the model code.
Chapter 2 VLC Specifications VLC1324G User’s Guide 26 2.3 T elco-50 Connector Pin Assignments The following figures and table describe the pin assignments for the VLC’ s T elco-50 connector .
Chapter 2 VLC Specifications VLC1324G User’s Guide 27 The following graphics show pin assignments fo r the T elco-50 connectors on the cables that connect the VLC to a splitter ca rd in t he splitter chassis.
Chapter 2 VLC Specifications VLC1324G User’s Guide 28 Figure 6 IES-6000 Cable T elco-50 Pin Assignments (VLC End).
Chapter 2 VLC Specifications VLC1324G User’s Guide 29 Figure 7 IES-6000 Cable T elco-50 Pin Assignments (S plitter End) 2.4 Wire Gauge Sp ecifications A WG (American W ire Gauge) is a measurement system for wire that specifies its thickness. As the thickness of the wire in creases, the A W G number decreases.
Chapter 2 VLC Specifications VLC1324G User’s Guide 30 Figure 8 Console Ca ble Mini RJ-1 1 Male Co nnector 2.6 VSC1224-41 The following table lists th e splitter card specifications. 2.7 VSC1224-43U The VSC122 4-43U provides an impedance of 135 ohms and 150 o hms for ISDN.
VLC1324G User’s Guide 31 C HAPTER 3 VLC Troubleshooting This chapter covers potential pr oblems and possible remedies. After each problem descri ption, some steps are provided to help yo u to diagnose and solve the problem. 3.1 The SYS or PWR LED Does Not T urn On 3.
Chapter 3 VLC Troublesho oting VLC1324G User’s Guide 32 3.3 VDSL2 Dat a T r ansmission The VDSL2 link is up, but da ta cannot be transmitt ed. 3.4 Local Server The computer behind a VDSL2 modem or router cannot access a loc al server connected to the line card.
Chapter 3 VLC T ro ub les ho o ting VLC1324G User’s Guide 33 3.6 The Line Card is Not Manageable The line card always uses the default configurati on. Any changes you did to the line card are stored on the MSC. By default, the MSC is allowed to manage every line card.
Chapter 3 VLC Troublesho oting VLC1324G User’s Guide 34 4 After a successful configuration file upload, type atgo to restart the line card. 3.6.2 Uploading the Firm ware via Boot Commands Usually you should use FTP or HTTP with the M SC to upload the line card’ s firmware.
Chapter 3 VLC T ro ub les ho o ting VLC1324G User’s Guide 35 Figure 10 Example Xmodem Uplo a d 10 After a successful firmware upload, the lin e card restarts. The console port speed automatically changes back to 9600 bps when the line card restarts.
Chapter 3 VLC Troublesho oting VLC1324G User’s Guide 36.
VLC1324G User’s Guide 37 A PPENDIX A Legal Information Copyright Copyright © 2010 by ZyXEL Communications Corporation. The contents of this publication may not be reprod uced in any part or as a wh.
Appendix A Leg al In fo rm at ion VLC1324G User’s Guide 38 FCC W arning This device has been tested and foun d to comply with the limits for a Class A digital switch, pursuant to Part 15 of the FCC Rules. Thes e limits are designed to provide reasonable protection against harmful interference in a co mmercial environment.
Appendix A Legal Information VLC1324G User’s Guide 39 Note Repair or replacement, as provided un der this warranty , is the exclusive remedy of the purchaser . This warranty is in lieu of all other warranties, express or implied, including any implied warranty of merchantability or fitness fo r a particular use or purpose.
Appendix A Leg al In fo rm at ion VLC1324G User’s Guide 40.
Index VLC1324G User’s Guide 41 Index A alarm LED 16 Alarm profile 14 ALM LED 16 , 31 A WG (Ame rican Wire Gauge) 29 B bandwidth control 18 C certifications 24 , 37 notices 38 viewing 38 CFM Connecti.
Index VLC1324G User’s Guide 42 multicast group limit 17 multicast static 18 multicast VLAN 18 MVLAN 18 N network management 24 P packet filter 16 pin assignments 26 port description 20 port isolatio.
Index VLC1324G User’s Guide 43.
Index VLC1324G User’s Guide 44.
An important point after buying a device ZyXEL Communications VLC1324G (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought ZyXEL Communications VLC1324G yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data ZyXEL Communications VLC1324G - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, ZyXEL Communications VLC1324G you will learn all the available features of the product, as well as information on its operation. The information that you get ZyXEL Communications VLC1324G will certainly help you make a decision on the purchase.
If you already are a holder of ZyXEL Communications VLC1324G, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime ZyXEL Communications VLC1324G.
However, one of the most important roles played by the user manual is to help in solving problems with ZyXEL Communications VLC1324G. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device ZyXEL Communications VLC1324G along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
