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ZyXEL Communications P841C manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    P841C Central-Side VDSL Modem May 20 0 2 Version 1.00 User’s Guide[...]

  • Page 2

    P841C Central-Side VDSL Modem ii Copyright Copyright Copyright © 2002 by ZyXEL Co mmunications Corporation The contents of this publication may not be reproduced in any part or as a whole, transcribed, stored in a retrieval system, translated into any language, or transmitted in any form or by any m eans, electronic, mechanical, magnetic, optical,[...]

  • Page 3

    P841C Central-Side VDSL Modem ZyXEL Limited Warranty iii ZyXEL Limited W arranty ZyXEL warrants to the original end user (purchaser) that this product is free from any defects in materials or workmanship for a period of up to two (2) years from the date of purchase. During the warranty period and upon proof of purchase, should the product have indi[...]

  • Page 4

    P841C Central-Side VDSL Modem iv Interference Statements and Warning s Interference Statements and Warnings FCC Interference St atement This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference. (2) This device must accept any interference receive d, [...]

  • Page 5

    P841C Central-Side VDSL Modem Customer Support v Customer Support If you have questions about your ZyXEL product or desire assistance, contact ZyXEL Communications Corporation offices worldwide, in one of the following ways: Cont acting Customer Support When you contact your customer support representa tive, have the following information ready: ?[...]

  • Page 6

    P841C Central-Side VDSL Modem vi Table of Contents T able of Content s Copyri ght ...................................................................................................................... ............................................. ii ZyXEL Limit ed Wa rr anty ..........................................................................[...]

  • Page 7

    P841C Central-Side VDSL Modem List of Figures vii List of Figures Figure 1-1 Campus Application .................................................................................................. ................................................ 1-2 Figure 2-1 P841 C Front Panel ........................................................................[...]

  • Page 8

    P841C Central-Side VDSL Modem viii Lists of Tables List of T ables T able 2-1 P841C LED Descriptions ............................................................................................... ............................................. 2-1 T able 2-2 P841C Rear Panel Co nnectors ...............................................................[...]

  • Page 9

    P841C Central-Side VDSL Modem Preface ix Preface Congratulations on your purchase of the Prestige 841C Central-Side VDSL Modem. This preface introduces you to the Prestige 841C and discu sses the organization and conventions of this user’s guide. It also provides inform ation on other related documentation. About VDSL VDSL (Very high bit rate Dig[...]

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    P841C Central-Side VDSL Modem Getting to Know the P841C 1-1 This chapter describes the key features, benefits and applica tions of your P841C. The P841C is a VDSL Line Termination (LT) modem that is the perfect partner for the P841 VDSL subscriber modem. It maps traffic from one VDSL (Very high bit ra te Digital Subscriber Line) subscriber to one 1[...]

  • Page 12

    P841C Central-Side VDSL Modem 1-2 Getting to Know the P841C Figure 1-1 Campus Application[...]

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    P841C Central-Side VDSL Modem Hardware Conne ctions 2-1 This chapter gives a brief introductio n to the P841C hardware. 2.1 Front Panel The following figure shows the front panel of the P84 1C. Figure 2-1 P841C Front Panel 2.1.1 Front Panel LEDs The following table describes the LED indi cators on the front panel of the P841C. Table 2-1 P841C LED D[...]

  • Page 14

    P841C Central-Side VDSL Modem 2-2 Hard ware Connections Figure 2-2 P841C Back Panel 2.2.1 Rear Panel Connectors Table 2-2 P841C Rear Panel Connectors CONNECTER DESC RIPTION POWER 12VDC Make sure you are using the correct power source. Connect the female end of the power adapter to the power rece ptacle on the rear panel of your P841C. Connect the o[...]

  • Page 15

    P841C Central-Side VDSL Modem Configuring the P841C 3-1 Chapter 3 Configuring the P841C This chapter shows you how to configure and maintain your P841C using the command line int erface. 3.1 Additional Inst allation Requirements In addition to the contents of the package, you need the following hardware and software components to configure your dev[...]

  • Page 16

    P841C Central-Side VDSL Modem 3-2 Configuring the P841C Figure 3-3 Wrong Password Y ou should change the default p assword using the p asswd command. 3.3 Commands 3.3.1 General Command Conventions References to “LT” and “NT” are common throughout the comman ds. “LT” means means Line Termination (unit), which is the P841C VDSL central of[...]

  • Page 17

    P841C Central-Side VDSL Modem Configuring the P841C 3-3 ZyXEL recommend y ou change your pass w ord af ter your very first login. S tore your new p assword in a secure place for later reference in case you forget it. 3.4.2 Exit Command exit Enter this command to log out. You will then have to re-enter your password to log in again. Figure 3-5 Exit [...]

  • Page 18

    P841C Central-Side VDSL Modem 3-4 Configuring the P841C Table 3-1 P841C Help Commands FIELD DESCRIPTION System-related Command s sys Entering this command displays the sy stem status. help or ? Entering this command shows the Hel p screen displayed exit Enter this command to log out of command mode. passwd Enter this command to change the login pas[...]

  • Page 19

    P841C Central-Side VDSL Modem Configuring the P841C 3-5 Table 3-1 P841C Help Commands FIELD DESCRIPTION enet speed (lt|nt) (speed) Type this command to set the Ethernet port speed of the P841C (you must type “lt”) or P841 (“nt”). P841C spe ed is displayed if you just type “enet speed”. enet fctrl (lt|nt) [on|off] Type this command to se[...]

  • Page 20

    P841C Central-Side VDSL Modem 3-6 Configuring the P841C Figure 3-9 Upgrade Firmware Last Warning Step 4. Launch your terminal em ulation progra m (see next example ). You should have already downloaded the firmware and unzipped it on your computer. The firm ware file has a “bin” extension. Begin the file transfer. DO NOT interrupt it – wait u[...]

  • Page 21

    P841C Central-Side VDSL Modem VDSL-Related Commands 4-1 Chapter 4 VDSL- Related Commands This chapter shows you how to configure VDSL using Commands. 4.1 Introduction VDSL-related commands supported by the P841C are shown in Table 3-1. T he default values for the following VDSL parameters are: Table 4-1 VDSL Default Values VDSL PARAMETER DEFAULT VA[...]

  • Page 22

    P841C Central-Side VDSL Modem 4-2 VDSL-Related Commands Table 4-3 VDSL Mode, Frequency Ranges and Rates VDSL MODE FREQ. RANGE (Hz) RATE (Mbps) 10 Base-S Upstream 4.0M 7.9M 1.56 6.25 9.38 12.50 18.75 Downstream 900K 3.0M 4.17 6.25 8.33 12.50 16.67 ANSI Mode (ANSI/ETSI Band Plan 998) Upstream 4.0M 5.0M 1.56 3.13 6.25 Downstream 900K 3.0M 4.17 6.25 8.[...]

  • Page 23

    P841C Central-Side VDSL Modem VDSL-Related Commands 4-3 Figure 4-3 VDSL Downstream Rate Table 4-4 VDSL Rates UPRATE/DOWN RATE UPSTREAM RATE DOWNSTREAM RATE 10BaseS Mode 0 1.56Mbps 4.17Mbps 1 6.25Mbps 6.25Mbps 2 9.38Mbps 8.33Mbps 3 12.50Mbps 12.50Mb ps 4 18.75Mbps 16.67Mb ps ANSI Mode (ANSI/ETSI Band Plan 998) 0 1.56Mbps 4.17Mbps 1 3.13Mbps 6.25Mbps[...]

  • Page 24

    P841C Central-Side VDSL Modem 4-4 VDSL-Related Commands This command makes the P841C loads new VDSL modem code into the P841C (LT) or P841 (NT). If “LT” is specified, the P841C will load the VDSL modem code into the P841C. If “NT” is specified, the P841C will load the VDSL modem code into the P841. The VDSL connecti on should automatically [...]

  • Page 25

    P841C Central-Side VDSL Modem VDSL-Related Commands 4-5 Table 4-5 VDSL Status Counters FIELD DESCRIPTION VDSL Parameters: All these fields except fo r DISC are displayed in hexadecimal format. LINK STAT This field displays the link status. The link is up if this field displays 0xac or 0xae; otherwise the link is down. DISC This is a VDSL Disconne c[...]

  • Page 26

    P841C Central-Side VDSL Modem 4-6 VDSL-Related Commands Figure 4-6 VDSL Initialization Messages These messages are for debugging purposes only. If you ar e having problems initializing the VDSL connection, capture this screen and send it to your nearest customer support. 4.1.11 VDSL Monitor C ommand vdsl monitor [on|off] Type this command to show t[...]

  • Page 27

    P841C Central-Side VDSL Modem VDSL-Related Commands 4-7 This command displays your P841C settings as shown in the next example. Figure 4-8 VDSL Show Command Table 4-6 VDSL Show Command FIELD DESCRIPTION EXAMPLE vdsl mode This field displays the VDSL mode. 10BaseS(0) vdsl Active flag This field displays if the VDSL driver is active. on vdsl Max. ups[...]

  • Page 28

    P841C Central-Side VDSL Modem 4-8 VDSL-Related Commands FIELD DESCRIPTION EXAMPLE vdsl auto upgrade NT EEPROM flag This field shows the VDSL auto upgrade status (“on” or “off”). When auto upgrade is on, the P841C wi ll check the subscriber’s modem V DSL version and automatically upgrade it if it is an earlier version than the P841C’s. o[...]

  • Page 29

    P841C Central-Side VDSL Modem Ethernet-Related Comma nds 5-1 Chapter 5 Ethernet-related Commands This chapter shows you how to configure Ethernet. 5.1 Introduction The P841C has one 10/100Mbps auto-sensing Ethernet port. T here are two factors related to Ethernet: speed and duplex mode. In 10/100Mb ps Fast Ethernet, the speed can be 10Mbps or 100Mb[...]

  • Page 30

    P841C Central-Side VDSL Modem 5-2 Ethernet-Related Comma nds Type this command to display P841C and the subscriber ’s VDSL modem ’s Eth ernet statistics (if link is up). Figure 5-1 Ethernet Status Table 5-1 Ethernet Status Counters COUNTER MEANI NG ALGM_ERR This is the number of frames re ceived with alignment errors (odd number of nibbles). SI[...]

  • Page 31

    P841C Central-Side VDSL Modem Ethernet-Related Comma nds 5-3 5.1.2 Enet Clear Command enet clear Type this command to clear P841C and the subscriber’s VDSL m odem’s Ethernet statistics (if link is up). 5.1.3 Enet S peed (lt|nt) (speed) Command enet speed (lt|nt) (speed) Type this command to set the Ethernet port speed of the P841C (w ith “lt?[...]

  • Page 32

    P841C Central-Side VDSL Modem 5-4 Ethernet-Related Comma nds When this flag is on this command automatically di splays the P841C (and the subscriber’s VDSL modem’s Ethernet statistics if the link is up) every five seconds. Enter the command without “on” or “off” to just show the Ethernet monitor status. Figure 5-4 Ethernet Monitor Statu[...]

  • Page 33

    P841C Central-Side VDSL Modem Troubleshooting 6-1 This chapter covers potential problem s and possible remedies. After each problem description, some steps are provided to help you diagnose and solve the problem. 6.1 VDSL LED The VDSL LED is not on. Table 6-1 Troubleshooting the VDSL LED STEPS CORRECTIVE ACTION 1 Disconnect the phone wire coming fr[...]

  • Page 34

    P841C Central-Side VDSL Modem 6-2 Troubleshooting 6.3 Intermittent VDSL LED A VDSL LED turns on and off intermittently. Table 6-3 Troubleshooting a Non-Constant VDSL LED STEPS CORRECTIVE ACTION 1 Disconnect the phone wire coming from t he VDSL po rt of the P841C and connect the subscriber’s VDSL modem or router directly to the VDSL port of the P8[...]

  • Page 35

    P841C Central-Side VDSL Modem Troubleshooting 6-3 Table 6-6 Troubleshooting Connecting to an Ethernet Switch STEPS CORRECTIVE ACTION  Speed: Auto  Duplex: Auto  Flow control: On for full duplex and off for half-duplex If the P841C’s auto-negotiation is turned off, an Ether net port uses the pre-co nfigured speed and duplex mode when maki[...]

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  • Page 37

    P841C Central-Side VDSL Modem Power Adapter Specifications A Power Adapter S pecifications NORTH AMERICA AC Power Adapter model AD48 -1201200DUY AC Powe r Adapter model DV-121A2-5720 Input power: AC120Volts/60Hz/0.25A Input power: AC120Volts/60Hz/27VA Output power: DC12Volts/1.2A Output power: DC12Volts/1.2A Pow e r c o ns u m ption: 6 W Pow e r c [...]

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  • Page 39

    P841C Central-Side VDSL Modem Index C Index 1 10 Base-S ................................................. 4-8 10Base-S ...........................................4-7, 4-9 10Base-S Mode ........................................ 1-1 A ALGM_ERR ............................................ 5-2 ANSI Mode .............................................. 1-1[...]

  • Page 40

    P841C Central-Side VDSL Modem D Index I Intermittent VDSL LED ...........................6-2 Introducing the SMT ................................3-1 L LAN 10/100M .......................................... 2-2 LA TE_COL ..............................................5-2 Line T ermination (L T) ........................ ix, 1-1 LINK ST A T ...........[...]

  • Page 41

    P841C Central-Side VDSL Modem Index E TXBCNT .................................................. 5-2 TXP AUS................................................... 5-2 TXPWR .................................................. 4-1 1 U US........................................................... 4-1 1 V VDSL ...............................................[...]