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SCS 3230 SSH Option for Console Server 3200 System Administrator's Guide Lightwave Communications, Inc. NOTE: Use this Guide and the ConsoleServer 3200 Manual, PN 15.
ConsoleServer 3200 System Lightwave Communications Rev. A ii www.lightwavecom.com Copyright & Trademark © 2002, Lightwave Commu nications, a Lantronix Company. All rights reserved. No part of the contents of this book may be transmitted or reproduced in any form or by any means without the written permission of Lantronix.
A Lantronix Company SCS3230 System Administrator's Guide 15.00.038 iii May 2002 Disclaimer & Revisions Operation of this equipment in a residential area is likely to cause interference in which case the user, at his or her own expense, will be required to take whatever measures may be required to correct the interfe rence.
ConsoleServer 3200 System Lightwave Communications Rev. A iv www.lightwavecom.com Declaration of Conformity (according to ISO/IEC Guide 22 and EN 45014) Manufacturer’s Name & Address: Lightwave .
A Lantronix Company SCS3230 System Administrator's Guide 15.00.038 v May 2002 Table of Contents 1: Product Description ______________________________________________________9 1.1 Quick Start _____________________________________________________ 9 1.
ConsoleServer 3200 System Lightwave Communications Rev. A vi www.lightwavecom.com 6: SCS3230 Setup Script and System Administration ___________________________33 6.1 Power - up Sequence and Basic Use of the Administrator Functions ___________ 34 6.1.1 Logging In, Serial Connection _________________________________ 35 6.
A Lantronix Company SCS3230 System Administrator's Guide 15.00.038 vii May 2002 8: User Access and Interface ________________________________________________75 8.1 Terminal Card __________________________________________________ 75 8.2 Network Card __________________________________________________ 75 8.
ConsoleServer 3200 System Lightwave Communications Rev. A viii www.lightwavecom.com For Your Notes.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 9 - May 2002 The SCS3230 is a Console Server 3200 ( or CS3200) that has been upgraded for enhanced security and control capabiliti es, including SSH capabilities required for today's secure server environment , and network features such as LDAP and NIS .
ConsoleServer 3200 System Lightwave Communications Rev. A - 10 - www.lightwavecom.com 1.2 Upgrade Description The SCS 3230 uses most of the same cards as the CS3200, and uses the CS3200 chassis. The SCS 3230 is below . Notice the SCS3230's NETWORK/CONTROL card to the far right.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 11 - May 2002 1. 4 Hardware Features • 3 RU tall ( 5 - 1/4 inches) rack - mountable Server • One (1) 10/100 baseT Network.
ConsoleServer 3200 System Lightwave Communications Rev. A - 12 - www.lightwavecom.com 1. 5 3230 Network/Control Card T he SCS3230 offers the following benefits and features over the conventional CS320.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 13 - May 2002 channels available to the 10/100 IP network connection. [The Channel Extender cards are the same as those used with the CS3200's 10/100 Network card.
ConsoleServer 3200 System Lightwave Communications Rev. A - 14 - www.lightwavecom.com Four (4) 24 - inch long CAT5 cables (PN 200.1061; straight - through, fully pinned) are used between the Channel Extenders and the NETWORK / CONTROL card.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 15 - May 2002 1. 5 .2 TERM Port (Console) A Terminal port, or Console (labeled TERM ) is available at the top RJ45 connector on the NETWORK / CONTROL Card. This is an EIA - 232 - compliant terminal position, typically used for System Administration purposes.
ConsoleServer 3200 System Lightwave Communications Rev. A - 16 - www.lightwavecom.com For simplicity, we will discuss the features and capabilities of the SCS3230 as if it were a new and different system, not merely an upgrade to a ConsoleServer 3200.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 17 - May 2002 cards. By reducing the number of Channel Extender ports, the maximum number of available connections for 10/100 network access is reduced by four sessions for each Terminal Card installed.
ConsoleServer 3200 System Lightwave Communications Rev. A - 18 - www.lightwavecom.com Each SCS3230 consists of three major components: the 3200 system chassis, 3200 DEVICE cards, and 3200 access cards.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 19 - May 2002 3.2 Device Cards The Device cards are fully compatible with the SCS3230 application. The SCS3230 requires version 4.03 Build 01 (or higher) of the Device Card binary firmware.
ConsoleServer 3200 System Lightwave Communications Rev. A - 20 - www.lightwavecom.com 3.3.2 CHANNEL EXTENDER Cards CHANNEL EXTENDER cards are used to extend the NETWORK functionality of the NETWORK / CONTROL card , providing network access to the DEVICE ports in the system .
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 21 - May 2002 3.3.5 3200 10/100 Network Cards The earlier 3200 10/100 Network card is not supported by the 3230 Network / Control Card. It will not fun ction if installed. 3.3.
ConsoleServer 3200 System Lightwave Communications Rev. A - 22 - www.lightwavecom.com Two options for your installation exist: • you are either UPGRADING a CS3200 syste m to be an SCS3230 system, or • you are installing a NEW SCS3230 system.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 23 - May 2002 4. 2 Move Database from your CS3200 to SCS 3230 The SCS 3230 is designed to work with the Backup and Restore options found in the CS3200 product. Y ou can transfer your database from the CS 3200 to the SCS 3230 .
ConsoleServer 3200 System Lightwave Communications Rev. A - 24 - www.lightwavecom.com 3. At the sys admin> prompt, ty pe RESTORE and press <ENTER>. The SCS 3230 will prompt for confirmation to proceed with the parameter restore process. Type YES and press <ENTER> to proceed.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 25 - May 2002 4.2.4 LCI Update There are four binary (.bin) files in the /lci/bin directory of the Network/Control card that may be needed to update existing 3200 cards for use w ith the new Network/Control card's firmware : - fterm.
ConsoleServer 3200 System Lightwave Communications Rev. A - 26 - www.lightwavecom.com 4. 3 Connecting to the TERM Port The cable kit P/N 200.0135 conta ins the necessary adapters to interface the system TERM port on the NETWORK / CONTROL card to a laptop or a terminal.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 27 - May 2002 When connecting devices to the SCS3230 , be sure to use Lightwave Communications cables and adapters to ensure the proper transmission of data signals.
ConsoleServer 3200 System Lightwave Communications Rev. A - 28 - www.lightwavecom.com 5.2 NETWORK / CONTROL Card The network port of the NETWORK / CONTROL card runs at 10 /100 Mbits, half - duplex, with auto - negotiation. The device used to connect the ConsoleServer to the network (i.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 29 - May 2002 5.4 Device Card NOTE: DEVICE Cards MUST be updated to Version 4.
ConsoleServer 3200 System Lightwave Communications Rev. A - 30 - www.lightwavecom.com Standard DB9 or DB2 5 installation: Materials: • SCS3230 device port • device with RS - 232 - C serial console port • RJ45 - terminated Cat 5 cable (standard LAN cable) • Lightwave adapter for serial console port 1.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 31 - May 2002 C o n s o l e S e r v e r 3 2 0 0 A d a p t e r Q u i c k C h e c k l i s t H P 90 00 S G I ( O r i g i n , O 2 , O c t a n e , O n yx2 ) A d a p t e r DB 9 - R J45 20 0 .
ConsoleServer 3200 System Lightwave Communications Rev. A - 32 - www.lightwavecom.com Fig. 3 General layout showing DEVICE port number ing . 100-240V ~, 1A, 50/60 Hz T 4A, 250 VAC Caution! Replace with same type and rating fuse.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 33 - May 2002 The SCS3230 uses a script file to assist in the initial setup and configuration of the 3230 system. The script is intended for the first time the unit is turned on, in order to get the system 'up and running' as quickly as possible.
ConsoleServer 3200 System Lightwave Communications Rev. A - 34 - www.lightwavecom.com NOT E: <ESC> <ESC> or <CTRL>+C will cancel an operation and return to the administrator prompt.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 35 - May 2002 6.1.1 Logging In, Serial Connection LCI3200>>login Please enter password: **** sys admin>> To log in on the ConsoleServer through a local serial connection, type LOGIN at the LCI3200>> prom pt.
ConsoleServer 3200 System Lightwave Communications Rev. A - 36 - www.lightwavecom.com 6.1.3 Logging Out To log out from an administration session, enter the command LOGOUT or LOGOFF . If logging out from a network session, the ConsoleServer will dis connect the telnet session.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 37 - May 2002 6.1.4 System Help (Command List) To access the help screens, type <F1> H , ? , or HELP to display the help page , once logged i n . The HELP screens offer a Sys Admin Command List.
ConsoleServer 3200 System Lightwave Communications Rev. A - 38 - www.lightwavecom.com 6.1.5 Abbreviations A listing of abbreviations for the administrator commands is also available when connected to the administrator port.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 39 - May 2002 6.2 Sys Admin vs. root access The System Administrator (sys admin) has the ability to run the sysadmin functions of the system. In order to run the Setup command, the System Administrator must change to the root user.
ConsoleServer 3200 System Lightwave Communications Rev. A - 40 - www.lightwavecom.com 6.3 Setup Script The System Administrator must switch to root level in order to access the Setup Script.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 41 - May 2002 Using the arrow keys, you may select from any of the following attributed to administer. The script also provides 'hints' along the way. You may also ' exit' using the Done command.
ConsoleServer 3200 System Lightwave Communications Rev. A - 42 - www.lightwavecom.com Type in your HOSTNAME information in the Answer field. It may be up to 24 characters long; it i After entering your Hostname, the system advances to the IP Address setting.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 43 - May 2002 Next, enter your Network Mask information, in dot - quad format.
ConsoleServer 3200 System Lightwave Communications Rev. A - 44 - www.lightwavecom.com You are then returned to the Script's menu. You may continue th e script by pressing 'enter' to advance, or select another option. 6.3.2 Timezone (Clock) You must select a Timezone value for the SCS3230's clock.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 45 - May 2002 Using the up and down arrows, select an appropriate Time Zo ne parameter. To go up one level in the Time Zone menu, move to the " .. " prompt at the top of the list.
ConsoleServer 3200 System Lightwave Communications Rev. A - 46 - www.lightwavecom.com 6.3.3 Configure DNS Select 'Next' t o advance in the DNS (Directory Name Server) menu.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 47 - May 2002 Fill in the IP address information for your Primary Nameserver. Note: If you start to fill in this parameter, but cannot complete the value at this time, you must enter some dot - quad address in ord er to leave this prompt.
ConsoleServer 3200 System Lightwave Communications Rev. A - 48 - www.lightwavecom.com Enter your Tertiary Namese rver information, if applicable . Press Next to advance to the configuration for Hosts . 6.3.4 Hosts The parameters for HOSTS is a bit different than other screens.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 49 - May 2002 The system has started an 'edit' routine which you must 'exit' by using the ESC key to end the edit mode, and get to t he 'Next' prompt You are then returned to the Script menu.
ConsoleServer 3200 System Lightwave Communications Rev. A - 50 - www.lightwavecom.com Choose Yes or No, by using your arrow keys. Press Next to advance.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 51 - May 2002 6.3. 7 SSH Logins SSH is t he secure, and preferred method of accessing the system.
ConsoleServer 3200 System Lightwave Communications Rev. A - 52 - www.lightwavecom.com 6.3. 8 TELNET logins 6.3. 9 NTP Daemon You can enable or disable the NTP Daemon, if desired. After setting the NTP Daemon, you are returned to the Script's Menu.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 53 - May 2002 6.3. 10 Configure the Firewall You can configure the firewall, for security in your system.
ConsoleServer 3200 System Lightwave Communications Rev. A - 54 - www.lightwavecom.com Enable the Firewall to see additional prompts. Choose No to end this step.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 55 - May 2002 6.3. 11 Firewall Reject Method You can choose to Deny (ignore) connection attempt s, or send back a 'Rejected' message.
ConsoleServer 3200 System Lightwave Communications Rev. A - 56 - www.lightwavecom.com After finishing the 'Invisible to Ping' prompt, you will be returned to the Script Menu. There are no more script options to do. You may go back and re - do any prompts you wish, if necessar y.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 57 - May 2002 6.3.1 3 Confirm Changes Selecting YES will 'commit' the changes to the System.
ConsoleServer 3200 System Lightwave Communications Rev. A - 58 - www.lightwavecom.com The System will run through the system configuration and make the appropriate changes. Note that some commands may show a 'fail' which may be normal for that ins tance.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 59 - May 2002 7 .1 Adding a User ID The ADDUSER command creates user IDs and assigns initial privileges.
ConsoleServer 3200 System Lightwave Communications Rev. A - 60 - www.lightwavecom.com Allowed devices determines which devices a user may select for direct access.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 61 - May 2002 sys admin>>ADDUSER Number of available user records: 200 Number of users defined: 0 Enter user id | USER .
ConsoleServer 3200 System Lightwave Communications Rev. A - 62 - www.lightwavecom.com included after the LISTUSERS command, then the parameters for all users are displayed.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 63 - May 2002 7 .4 Deleting a User ID To delete a user, use the DELETEUSER command, followed by the user ID on the same line. The LISTUSERS command will allow verification after deleting a user ID.
ConsoleServer 3200 System Lightwave Communications Rev. A - 64 - www.lightwavecom.com Four baud rates are offered: 9600, 19200, 38400, and 57600. Most devices use 9600 as the console/admin port baud rate, so the device port defaults to this value. Check the equipment documentation for the proper baud rate.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 65 - May 2002 7.6 Terminals Command The sys admin defines terminal port parameters using the TERMINALS command in a manner similar to the DEVICES command. If the command is entered by itself, the terminal settings will display.
ConsoleServer 3200 System Lightwave Communications Rev. A - 66 - www.lightwavecom.com If the card is a network card, it will immediately acquire the new network parameters and disc onnect all telnet sessions to that card.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 67 - May 2002 It is recommended that the default modem initialization string be used unless the applic ation requires that it be changed.
ConsoleServer 3200 System Lightwave Communications Rev. A - 68 - www.lightwavecom.com CONNECTIONS command is used alone. (See section 6.8, Sys Admin Session Management Commands). The CONNECTIONS command will also tell the sys admin which terminal ports are present (in the list, they are referred to as "chann els").
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 69 - May 2002 desires to list the software version for all cards, he should type VERSION /ALL at the command prompt. This will list the versions of the boot and flash software for all cards, listed by card slot letter designation.
ConsoleServer 3200 System Lightwave Communications Rev. A - 70 - www.lightwavecom.com • The unique hardware (MAC) address of the card, expressed as six groups of one - byte hexadecimal numbers • I.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 71 - May 2002 Connection instructions for the logging port: 1. Turn on power to the terminal or computer. If using a computer, start the desired commu nication program. The terminal or communications program used must be in VT100 emulation mode 2.
ConsoleServer 3200 System Lightwave Communications Rev. A - 72 - www.lightwavecom.com 7.10 .1 LINESPERPAGE Command sys admin>>linesperpage Lines per page set to 22 sys admin>linesperpage 10 L.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 73 - May 2002 7.11 .1 BREAK Command sys admin>>BREAK 1 Break this connection? (write out YES) Yes or No: No>yes sys .
ConsoleServer 3200 System Lightwave Communications Rev. A - 74 - www.lightwavecom.com 7.11 .3 TELNETTIMEOUT Command sys admin>>TELNETTIMEOUT Timeout set to 5 minutes Sys admin>>TELNETTIMEO.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 75 - May 2002 8 .1 Terminal Card Each terminal card has four (4) RJ45 connector port s to which a terminal may be attached, giving a maximum of 16 physically connected terminals per SCS3230 unit.
ConsoleServer 3200 System Lightwave Communications Rev. A - 76 - www.lightwavecom.com The user interface f or the network card is exactly the same as that for the terminal card, with a few minor exceptions.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 77 - May 2002 8 .4 Overview of Commands Several levels of access are available to the user, from simple access of the SCS3230 to direct access of servers attached to the SCS3230 .
ConsoleServer 3200 System Lightwave Communications Rev. A - 78 - www.lightwavecom.com MONITOR (A.K.A. DEVICE) MODE HELP: F1 - Display Help Screen (VT100 mode) F2 - Display Pull Down Menu (VT100 mode) .
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 79 - May 2002 8 .5 Logging In and Changing Passwords F2 PULL - DOWN MENU SHOWING INITIAL MENU CHOICES +-----------------+ ¦ .
ConsoleServer 3200 System Lightwave Communications Rev. A - 80 - www.lightwavecom.com alphanumeric characters and is case - sensitive) at this prompt and press <ENTER> . After entering the new password, the user will be asked to verify the new password by the prompt PLEASE VERIFY PASSWORD .
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 81 - May 2002 8 .8 Selecting a Device Port F2 PULL - DOWN MENU TO SELECT A DEVICE PORT, PART 1 +--------------------------+ .
ConsoleServer 3200 System Lightwave Communications Rev. A - 82 - www.lightwavecom.com When this prompt is displayed, the user is in monitor mode. There is no direct communication between the user and the server. Any output from the server is saved to a buffe r that may be accessed by the user (see Section 7.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 83 - May 2002 F2 PULL - DOWN MENU TO LISTEN TO A DEVICE PORT PART 2 +---------------------------------------------------+ ¦ .
ConsoleServer 3200 System Lightwave Communications Rev. A - 84 - www.lightwavecom.com 8 .10 Direct Mode F2 PULL - DOWN MENU SHOWING DEVICE (A.K.A. MONITOR) MODE OPTIONS +-------------------------+ ¦ .
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 85 - May 2002 <ESC> characters (hexadecimal value 1B ) to the direct mode escape sequence. If the user wishes to keep the old sequence, they need only to press <ENTER> .
ConsoleServer 3200 System Lightwave Communications Rev. A - 86 - www.lightwavecom.com the bottom of the buffer is indicated as BOTTOM> , and any other position is indicated as a percenta ge of the total buffer (e.g., 51%> ). Connecting... W.O.P.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 87 - May 2002 The CAT and CAT WITH FILTER commands allow a user to output the content of the device buffer to the screen. This allows a user to capture the contents of a device buffer by using the telnet client/terminal emulation software’s t exr capture capabilities.
ConsoleServer 3200 System Lightwave Communications Rev. A - 88 - www.lightwavecom.com F2 PULL - DOWN MENU TO CHA NGE BREAK SEQUENCE +--------------------------+ ¦ LOGGED IN MENU ¦ +-----------------.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 89 - May 2002 F2 P ULL - DOWN MENU TO DISPLAY SYSTEM INFO +-----------------+ ¦ LOGGED OUT MENU ¦ +-----------------¦ ¦ U.
ConsoleServer 3200 System Lightwave Communications Rev. A - 90 - www.lightwavecom.com The up/down arrow keys are used to scroll through multi - page displays. Lightwave Communications, Inc. The LCD displays the panel below at power up time. This will be displayed for as long as five minutes while the SCS3230 is in the initialize mode.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 91 - May 2002 Panel 2 (press down) Panel 3 (press down) Panel 4 (press down) The next series of panel shows the port number alon g with the name of the device connected to that port.
ConsoleServer 3200 System Lightwave Communications Rev. A - 92 - www.lightwavecom.com Panel 6 (press down) Panel 7 (press down) Panel 8 (press down) Panel 9 (press down) The next series of panels displays the inventory of cards that are installed in the chassis.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 93 - May 2002 Panel 10 (press down) Panel 11 (press down) Panel 12 (press down) The last panel displays the status of the power supplies.
ConsoleServer 3200 System Lightwave Communications Rev. A - 94 - www.lightwavecom.com Most, but not all, commands available on the SC S3230 may be abbreviated. The following list outlines the allowed maximum abbreviations for all commands. Command qualifiers for a command may be found immediately below that command.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 95 - May 2002 Terminal, Network, and Modem Commands: command abbreviation bottom bo bye bye changepswd ch clear cl connection.
ConsoleServer 3200 System Lightwave Communications Rev. A - 96 - www.lightwavecom.com Equivalent characters in italics are non - printing characters or signals.
A Lantronix Company SCS3230 System Administrator's Guide 15.0 0.038 - 97 - May 2002 Hexadecimal Code Equivalent Ch aracter Hexadecimal Code Equivalent Character 40 @ 60 ` 41 A 61 a 42 B 62 b 43 C.
Een belangrijk punt na aankoop van elk apparaat Lightwave Communications SCS3230 (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Lightwave Communications SCS3230 heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Lightwave Communications SCS3230 vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Lightwave Communications SCS3230 leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Lightwave Communications SCS3230 krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Lightwave Communications SCS3230 bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Lightwave Communications SCS3230 kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Lightwave Communications SCS3230 . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
