Manuale d’uso / di manutenzione del prodotto ALC1248G del fabbricante ZyXEL Communications
Vai alla pagina of 46
www .zyxel.com ALC1248G ADSL2/2+ Line Card User ’ s Guide V ersion 3.90 3/2008 Edition 1.
.
About This User's Guide ALC1248G User’s Guide 3 About This User's Guide Intended Audience This manual is intended for users of th e ALC1248G ADSL2/2+ Line Card.
Document Conventions ALC1248G User’s Guide 4 Document Conventions W arnings and Notes These are how warnings and notes are shown in this User ’ s Guide.
Safety Warnings ALC1248G User’s Guide 5 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.
Safety Warnings ALC1248G User’s Guide 6.
Table of Contents ALC1248G User’s Guide 7 Table of Contents About This User's Guide ........................................... ............................................................. .. 3 Document Conventions.............................
Table of Contents ALC1248G User’s Guide 8 Appendix A Legal Information ............................................. ................................................... 3 5 Appendix B Customer Support ............................................ ...
List of Figures ALC1248G User’s Guide 9 List of Figures Figure 1 Front Panel .... ............. ................ ............. ................ ............. ................ ............. .. ..................... 18 Figure 2 ALC Ports 1-24 T elco-50 Connector Pin A ssi gnments .
List of Figure s ALC1248G User’s Guide 10.
List of Tables ALC1248G User’s Guide 11 List of Tables T able 1 ADSL S tandards Maximum T rans fer Rates .......................... ................ ................. ............ ....... 13 T able 2 Front Panel Ports .................. ............
List of Tables ALC1248G User’s Guide 12.
ALC1248G User’s Guide 13 C HAPTER 1 Introducing the ALC1248G This chapter introduces the ADSL 2/2+ line card's general featur es, factory default settings and hardware.
Chapter 1 Introducing the ALC1248G ALC1248G User’s Guide 14 1.3 Features Here is a partial list of the ALC’ s features. ADSL Compliance • Multi-Mode ADSL Standard -DMT T1.413, issue 2 -G .DMT (ITU G .992.1) Annex A -G .DMT (ITU G .992.1) Annex B -G .
Chapter 1 Introducing the ALC12 48G ALC1248G User’s Guide 15 Multicast VLAN Multicast VLAN is designed for applicatio ns (such as Media-on-Demand (MoD)) using multicast traffic across an Ethernet ring-based service provider network. Multicast VLAN allows one single multicast VLAN to be shared among dif ferent subscriber VLANs on the network.
Chapter 1 Introducing the ALC1248G ALC1248G User’s Guide 16 Discarding of IGMP Query Messages The ALC discards IGMP query messages received from subscriber ports. This prevents subscribers from hosting IGMP multicast servers. IGMP St atistics The ALC records the number of active users in an IGMP multicast channel (multicast group).
Chapter 1 Introducing the ALC12 48G ALC1248G User’s Guide 17 System Error Logging The system error log will record error logs lo cally to the management switch card memory . Remote Firmware Upgrade Y ou can use FTP or SFTP to perform configurat i on backup/restore and firmware upgrade from a remote location.
Chapter 1 Introducing the ALC1248G ALC1248G User’s Guide 18 IP-aware Bridging The line cards can forward frames based on th e destination IP address, instead of the destination MAC address, and replace the sour ce MAC address with its own MAC addres s.
Chapter 1 Introducing the ALC12 48G ALC1248G User’s Guide 19 1.5.2 LEDs The following table describes the LED indi cators on the front panel of the ALC. 1.6 Default Settings Refer to your MSC user’ s guide fo r information on default settings. T able 3 LED Descriptions LED COLOR ST ATUS DESCRIPTION PWR Green On The line card is turned on.
Chapter 1 Introducing the ALC1248G ALC1248G User’s Guide 20.
ALC1248G User’s Guide 21 C HAPTER 2 Product Specifications This chapter gives details about the line card hardware and features. 2.1 Product S pecifications T able 4 Device Spec ifications Dimensions 390.6 mm (W) x 231.0 mm (D) x 24.0 mm (H) Weight 0.
Chapter 2 Produ ct Specifications ALC1248G User’s Guide 22 This table lists the stan dards the ALC su pports. Certifica tions CE Conformity FCC ITU-T K.20 Safety IEC 60950-1 EN 60950-1 CSA 60950-1 UL 60950-1 EMC EN 300386 EN 55022 EN 61000-3-2 EN 61000-3-3 EN 55024 Other Features • DLS Bonding (G .
Chapter 2 Product Sp ecifications ALC1248G User’s Guide 23 2.2 Firmware Naming Conventions A firmware version includes the model code and release number as shown in the following example.
Chapter 2 Produ ct Specifications ALC1248G User’s Guide 24 2.3 T elco-50 Connector Pin Assignment s The following figures and table describe the pin assignments for the ALC’ s T elco-50 connectors.
Chapter 2 Product Sp ecifications ALC1248G User’s Guide 25 The following graphics show pin assignments fo r the T elco-50 connectors on the cables that connect the ALC to a splitter ca rd in t he splitter chassis. The pin assignments for ports 25-48 follow the same pattern as the pin assignments for ports 1-24.
Chapter 2 Produ ct Specifications ALC1248G User’s Guide 26 Figure 5 IES-5000/5005 Ca ble T elco-50 Pin Assignments (S plitter Card End) Figure 6 IES-6000 Cable T elco-50 Pin Assignment s (ALC End).
Chapter 2 Product Sp ecifications ALC1248G User’s Guide 27 Figure 7 IES-6000 Cable T elco-50 Pin Assi gnments (S plitter Card End) 2.4 Wire Gauge Sp ecifications A WG (American W ire Gauge) is a measurement system for wire that specifies its thickness.
Chapter 2 Produ ct Specifications ALC1248G User’s Guide 28 Figure 8 Console Ca ble Mini RJ -1 1 Ma le Connecto r T able 8 Console Cable Connec tor Pin Assignments MINI RJ- 1 1 MALE Pin 2: TXD Pin 3:.
ALC1248G User’s Guide 29 C HAPTER 3 Troubleshooting This chapter offers some sugg estions to solve problems you might encounter . The potential problems are divided into the following categories. • Power and LEDs • DSL Data T ransmission • Local Server • Data Rate • Management and Co nfiguration 3.
Chapter 3 Troub leshooting ALC1248G User’s Guide 30 The ALM (alarm) LED lights when the line card is overheated or the voltage readings are outside the tolerance levels. 3.2 DSL Dat a T ransmission V The DSL link is up, but dat a cannot be transmitted.
Chapter 3 Troubleshooting ALC1248G User’s Guide 31 3.4 Dat a Rate V The SYNC-rate is not the sa me as the configured rate. 3.5 Management and Configuration V The line card is not manageable. The line card always uses the default configurat i on. Any changes you made to the line card a re stored on the MSC.
Chapter 3 Troub leshooting ALC1248G User’s Guide 32 " The MSC resets the line card af ter a peri od of inactivity on the line card. This may damage the line card if you are uploadi ng the default config uration file or new firmware to t he line card.
Chapter 3 Troubleshooting ALC1248G User’s Guide 33 4 After a successful configuration file upload, type atgo to restart the line card. 3.5.2 Uploading the Firm ware via Boot Commands Usually you should use FTP with the MSC to upload the line card’ s firmware.
Chapter 3 Troub leshooting ALC1248G User’s Guide 34 Figure 10 Example Xmodem Upload 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. Bootbase Version: V1.
ALC1248G User’s Guide 35 A PPENDIX A Legal Information Copyright Copyright © 2008 by ZyXEL Communications Corporation. The contents of this publication may not be reprod uced in any part or as a wh.
Appendix A Legal In formation ALC1248G User’s Guide 36 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 ALC1248G User’s Guide 37 Note Repair or replacement, as provided under 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 Legal In formation ALC1248G User’s Guide 38.
ALC1248G User’s Guide 39 A PPENDIX B Customer Support In the event of problems that cannot be solved by using this manual, you should contact your vendor . If you cannot contact yo ur vendor , then contac t a ZyXEL office for the region in which you bought the dev ice.
Appendix B Customer Support ALC1248G User’s Guide 40 • Address: 1005F , ShengGao Internationa l T ower , No.137 XianXia Rd, Shanghai • W eb: http://www .zyxel.cn Cost a Rica • Support E-mail: soporte@zyxel.co.cr • Sales E-mail: sales@zyxel.co.
Appendix B Customer Support ALC1248G User’s Guide 41 Germany • Support E-mail: support@zyxel.de • Sales E-mail: sales@zyxel.de • T elephone: +49-2405-6909-69 • Fax: +49-2405-6909-99 • W eb: www .zyxel.de • Re g u l ar M a i l: ZyXEL Deut schland GmbH.
Appendix B Customer Support ALC1248G User’s Guide 42 Malaysia • Support E-mail: support@zyxel.com.my • Sales E-mail: sales@zyxel.com.my • T elephone: +603-8076-9933 • Fax: +603-8076-98 33 • W eb: http://www .zyxel.com.my • Regular Mail: ZyXEL Malaysia Sdn Bhd.
Appendix B Customer Support ALC1248G User’s Guide 43 Singapore • Support E-mail: support@zyxel.com.sg • Sales E-mail: sales@zyxel.com.sg • T elephone: +65-6899-6678 • Fax: +65-6899-8887 • W eb: http://www .zyxel.com.sg • Regular Mail: ZyXEL Singapore Pte Ltd.
Appendix B Customer Support ALC1248G User’s Guide 44 T urkey • Support E-mail: cso@zyxel.com.tr • T elephone: +90 212 222 55 22 • Fax: +90-212-220-2 526 • W eb: http:www .zyxel.com.tr • Address: Kaptanpasa Mahallesi Piyalep asa Bulvari Ortadogu Plaza N:14/13 K:6 Okmeydani/Sisli Istanbul/T urkey Ukraine • Support E-mail: su pport@ua.
Index ALC1248G User’s Guide 45 Index A ADSL S tandards 13 ALM LED 30 American Wire Gauge 27 AT M Q o S 17 AW G 27 B bandwidth control 16 C certifications 35 , 36 notices 36 viewing 36 classifier 18 .
Index ALC1248G User’s Guide 46 policy 18 port isolation 15 PPPoA-to-PPPoE PVC 17 PPPoE Intermediate Agent Information 17 Priority-based PVC 17 product registration 37 protocol filter 15 PWR LED 29 R.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il ZyXEL Communications ALC1248G è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del ZyXEL Communications ALC1248G - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso ZyXEL Communications ALC1248G imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul ZyXEL Communications ALC1248G ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il ZyXEL Communications ALC1248G, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del ZyXEL Communications ALC1248G.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il ZyXEL Communications ALC1248G. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo ZyXEL Communications ALC1248G insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
