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P841C
Central-Side VDSL Modem
May 2002
Version 1.00
User’s Guide
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P841C Central-Side VDSL Modem Copyright Copyright © 2002 by ZyXEL Communications 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 means, electronic, mechanical, magnetic, optical, chemical, photocopying, manual, or otherwise, without the prior written permission of ZyXEL Communications Corporation. Published by ZyXEL Communications Corp
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P841C Central-Side VDSL Modem ZyXEL Limited Warranty 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 indications of failure due to faulty workmanship and/or materials, ZyXEL will, at its discretion, repair or replace the defective products or components without charge for eithe
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P841C Central-Side VDSL Modem Interference Statements and Warnings FCC Interference Statement 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 received, including interference that may cause undesired operations. FCC Warning This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part
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P841C Central-Side VDSL Modem 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: Contacting Customer Support When you contact your customer support representative, have the following information ready: ♦ Product model and serial number. ♦ Firmware version information. ♦ Warranty information. ♦ Date you received your product. ♦ Brief description of the problem and
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P841C Central-Side VDSL Modem Table of Contents Copyright ...................................................................................................................................................................ii ZyXEL Limited Warranty...........................................................................................................................................iii Interference Statements and Warnings ......................................................................
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P841C Central-Side VDSL Modem List of Figures Figure 1-1 Campus Application ..................................................................................................................................................1-2 Figure 2-1 P841C Front Panel.....................................................................................................................................................2-1 Figure 2-2 P841C Back Panel .............................................................
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P841C Central-Side VDSL Modem List of Tables Table 2-1 P841C LED Descriptions............................................................................................................................................ 2-1 Table 2-2 P841C Rear Panel Connectors .................................................................................................................................... 2-2 Table 3-1 P841C Help Commands......................................................................
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P841C Central-Side VDSL Modem Preface Congratulations on your purchase of the Prestige 841C Central-Side VDSL Modem. This preface introduces you to the Prestige 841C and discusses the organization and conventions of this user’s guide. It also provides information on other related documentation. About VDSL VDSL (Very high bit rate Digital Subscriber Line) is one type of DSL with very high data rates. The service can be asymmetrical or symmetrical and can be used on the same wire as the POT
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P841C Central-Side VDSL Modem Chapter 1 Getting to Know the P841C This chapter describes the key features, benefits and applications 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 rate Digital Subscriber Line) subscriber to one 10/100M Ethernet that connects to a computer or LAN switch. It has built-in POTS/ISDN splitters and a console port for local management. 1
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P841C Central-Side VDSL Modem Figure 1-1 Campus Application 1-2 Getting to Know the P841C
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P841C Central-Side VDSL Modem Chapter 2 Hardware Connections This chapter gives a brief introduction to the P841C hardware. 2.1 Front Panel The following figure shows the front panel of the P841C. Figure 2-1 P841C Front Panel 2.1.1 Front Panel LEDs The following table describes the LED indicators on the front panel of the P841C. Table 2-1 P841C LED Descriptions LED COLOR STATUS DESCRIPTION PWR Green ON The system is turned on. OFF The system is off. LAN 10 M Green Blinking The s
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P841C Central-Side VDSL Modem Figure 2-2 P841C Back Panel 2.2.1 Rear Panel Connectors Table 2-2 P841C Rear Panel Connectors CONNECTER DESCRIPTION POWER Make sure you are using the correct power source. 12VDC Connect the female end of the power adapter to the power receptacle on the rear panel of your P841C. Connect the other end of the adapter to a power outlet. LAN 10/100M The Ethernet interface is an RJ-45 connector. Use a crossover Ethernet cable to connect to a hub or WAN switc
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P841C Central-Side VDSL Modem Chapter 3 Configuring the P841C This chapter shows you how to configure and maintain your P841C using the command line interface. 3.1 Additional Installation Requirements In addition to the contents of the package, you need the following hardware and software components to configure your device: • A computer with a 10/100M Ethernet NIC (Network Interface Card) • A computer with terminal emulation software configured to the following parameters: VT100 te
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P841C Central-Side VDSL Modem P841C>**** Wrong Password! Figure 3-3 Wrong Password You should change the default password using the passwd command. 3.3 Commands 3.3.1 General Command Conventions References to “LT” and “NT” are common throughout the commands. “LT” means means Line Termination (unit), which is the P841C VDSL central office side modem. “NT” means Network Termination (unit), which is the subscriber’s VDSL modem (P841). 3.3.2 Command Syntax Conventions • Command keywords
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P841C Central-Side VDSL Modem ZyXEL recommend you change your password after your very first login. Store your new password 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. P841C>exit Password: Figure 3-5 Exit Command System Timeout Please note that if there is no activity for longer than five minutes after you log in, your P841C will automatically log you
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P841C Central-Side VDSL Modem Table 3-1 P841C Help Commands FIELD DESCRIPTION System-related Commands sys Entering this command displays the system status. help or ? Entering this command shows the Help screen displayed exit Enter this command to log out of command mode. passwd Enter this command to change the login password. fwupgrade Enter this command to upgrade the P841C firmware. VDSL-related Commands vdsl uprate [x] Type this command to set the VDSL upstream rate to speed “x” or
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P841C Central-Side VDSL Modem Table 3-1 P841C Help Commands FIELD DESCRIPTION enet speed (lt|nt) Type this command to set the Ethernet port speed of the P841C (you must type “lt”) or P841 (speed) (“nt”). P841C speed is displayed if you just type “enet speed”. enet fctrl (lt|nt) Type this command to set the Ethernet port full duplex flow control of the P841C (you must [on|off] type “lt”) or P841 (“nt”). P841C full duplex flow control is displayed if you just type “enet fctrl”. enet
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P841C Central-Side VDSL Modem You MUST NOT abort this operation after XMODEM data transfer begins. Otherwise the device will be damaged. Restart your device before XMODEM transfer begins to quit the upgrade process. Figure 3-9 Upgrade Firmware Last Warning Step 4. Launch your terminal emulation program (see next example). You should have already downloaded the firmware and unzipped it on your computer. The firmware file has a “bin” extension. Begin the file transfer. DO NOT interrupt it –
