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Troubleshooting
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Summary of Contents for Lantronix SCS1600
- Page 1 SCS1600 and SCS3200 User Guide Part. No. 900-234 Rev. D December 2003...
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Page 2: Contacts
Copyright & Trademark © 2003, Lantronix. 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. Printed in the United States of America. -
Page 3: Table Of Contents
Contents Copyright & Trademark ________________________________________________ i Contacts ___________________________________________________________ i Disclaimer & Revisions ________________________________________________ i Contents __________________________________________________________ ii 1: Introduction to the SCS Family ___________________________ 1-1 Features _________________________________________________________1-1 Protocol Support ___________________________________________________1-2 2: Connections and Physical Requirements ___________________ 2-1 Connections_______________________________________________________2-1 Pinouts __________________________________________________________2-2 RJ45 Serial Connectors __________________________________________2-2 RJ45 to DB25 __________________________________________________2-3 RJ45 to DB9 ___________________________________________________2-4... - Page 4 Telnet Login Method _____________________________________________3-1 Command Line Method___________________________________________3-1 4: Application Setup ______________________________________ 4-1 Login Banner Pages ________________________________________________4-1 Menus ___________________________________________________________4-1 Connecting ____________________________________________________4-1 Enabling Menu Mode ____________________________________________4-2 Creating the Menu_______________________________________________4-3 Using Menu/Connection Commands ________________________________4-4 Enabling Menu Mode for a Port ____________________________________4-5 Using the Menu _________________________________________________4-6 Remote User Dial-Up _______________________________________________4-7 Break Sequences __________________________________________________4-8 Serial Breaks___________________________________________________4-8...
- Page 5 Power-up Troubleshooting ___________________________________________5-3 BOOTP Troubleshooting _____________________________________________5-4 RARP Troubleshooting ______________________________________________5-4 Boot Prompt Commands _____________________________________________5-4 Flash _________________________________________________________5-5 Flush NVR_____________________________________________________5-5 Help__________________________________________________________5-5 Init 451 _______________________________________________________5-5 Set Server BOOTP {Enabled, Disabled} ______________________________5-5 Set Server Hardware xx-xx-xx _____________________________________5-6 Set server IPAddress ip_address ___________________________________5-6 Set server loadhost ip_address_____________________________________5-6 Set Server RARP {Enabled, Disabled} _______________________________5-6 Set Server Secondary ip_address __________________________________5-6 Set Server Software filename ______________________________________5-6...
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Page 6: 1: Introduction To The Scs Family
The Lantronix SCS family of Secure Console Servers enables IT professionals to remotely and securely configure and administer servers, routers, switches, telephone equipment, or other devices equipped with a serial port. Features TCP/IP compatibility Remote networking − Dial-in access −... -
Page 7: Protocol Support
SCS1600/3200 User Guide 1: Introduction to the SCS Family Protocol Support The SCS supports the TCP/IP network protocol as well as: SSH, Telnet, and Rlogin for connections in and out of the SCS DNS and WINS for text-to-IP address name resolution... - Page 8 The SCS1600 and SCS3200 are distinguished by the number of asynchronous RJ45 serial ports they are equipped with. The SCS1600 has 16 ports, while the SCS3200 has 32 ports. Both units include an AUI connector and a UTP port (10/100BASE-T) for Ethernet connections.
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Page 9: 2: Connections And Physical Requirements
RJ45 Serial Connectors Lantronix servers are RS-423 compliant and are thus limited by the equipment at the remote end of the serial line. If the SCS is connected to an RS-232 device, it is subject to the RS-232 limits shown below. If connected to an RS-423 device, it is subject to the RS- 423 limitations. -
Page 10: Rj45 To Db25
SCS1600/3200 User Guide 2: Connections and Physical Requirements RJ45 Serial Connector RJ45 to DB25 If you are connecting an RJ45 port to a DTE device (such as a terminal) that has a DB25 connector, you will need to use an RJ45-DTE DB25 adapter. To connect an RJ45 port to a DB25 connector on a DCE device, you will need an RJ45-DCE DB25 adapter. -
Page 11: Rj45 To Db9
SCS1600/3200 User Guide 2: Connections and Physical Requirements RJ45 to DB9 The arrows in the figure below represent the direction of the signal. Both the transmit and receive ground signals on the SCS connector are wired to the signal ground on a DB9 adapter. -
Page 12: Cables And Adapters
SCS1600/3200 User Guide 2: Connections and Physical Requirements Cables and Adapters Lantronix offers the following accessory cables and adapters for use with the SCS products. Contact Lantronix for details. Lantronix Cable Part Numbers Part Description Cable: 6' (1.8M) RJ45 to DB9 Male connects to DCE Device (modems, csu/dsu, 500-101 etc.) -
Page 13: Specifications
SCS1600/3200 User Guide 2: Connections and Physical Requirements Specifications Power The unit can operate using 100 to 240 Volts AC without switches or jumpers. Voltage 95 to 250 Volts AC 3-wire single phase, autoranging Frequency 47 to 63HZ Operating Current 0.5 Amps (maximum... -
Page 14: Connecting The Scs
This chapter covers all of the steps needed to get the SCS online and working. EZWebCon is the preferred method for initial configuration, but this chapter also explains alternative methods such as the command line interface. The full command set is discussed in the SCS Reference Manual. -
Page 15: Assigning An Ip Address
SCS1600/3200 User Guide 3: Installation 1. Mount or place the SCS in a secure location. 2. Connect your active serial devices to the SCS's RJ45 serial connectors. 3. Connect the Ethernet network to the SCS via the 10/100BASE-T port or the AUI port, not both ports. - Page 16 SCS1600/3200 User Guide 3: Installation Select the Assignment Method 4. Select Assign Specific IP and click Next. The Assign address – IP Settings window displays. Enter IP Settings 5. Enter the IP-related settings: a) For IP Address, enter the desired IP address.
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Page 17: Dhcp Method
SCS1600/3200 User Guide 3: Installation Assign IP 8. Click the Assign IP... button. 9. Wait for instructions from EZWebCon. For assistance once EZWebCon is running, refer to EZWebCon's online help. DHCP Method If DHCP is enabled on the SCS, the SCS will accept an IP address, gateway address, and subnet mask from a DHCP host. -
Page 18: Arp And Ping Method
SCS1600/3200 User Guide 3: Installation 4. If the SCS encounters an Ethernet network problem while booting, it sends an alert message to port and waits ten seconds to detect serial port activity before attempting to finish booting. If you press Enter when the error message is displayed, you will access the Boot>... -
Page 19: Bootp Or Rarp Reply Method
SCS1600/3200 User Guide 3: Installation Changing the IP Address % telnet 192.0.1.228 7000 # access (not echoed) Lantronix Version n.n/n (yymmdd) Type Help at the `Local_>' prompt for assistance. Username> [gopher] Local> SET PRIVILEGED Password> system (not echoed) Local>> DEFINE IP IPADDRESS 192.0.1.228 Note: The default login password is access. - Page 20 SCS1600/3200 User Guide 3: Installation Authentication on the Web Browser Interface 3. Type login (default username) in the Username field and access (default login password) in the Password field. 4. Click the Login button. The Server Configuration window displays. Server Configuration Window 5.
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Page 21: Web Browser Method
SCS1600/3200 User Guide 3: Installation Root Level Authentication 6. Type root in the Username field and system (default privileged password) in the Password field. (If a “remember password” popup window displays, select No and re-enter the password if necessary.) 7. Click the Login button. The desired configuration page displays. -
Page 22: Telnet Login Method
2. Enter the login password. The default login password is access. Until authentication is configured and users are added, any username works. Forming a Telnet Connection %telnet 192.0.1.88 7000 #access (not echoed) Lantronix SCS Version n.n/n (yymmdd) Type Help at the ‘Local>’ prompt for assistance. Enter Username> Command Line Method To monitor or configure the SCS via a terminal, attach a terminal to the serial port (port) and press Enter. -
Page 23: 4: Application Setup
This chapter describes how to configure or use: Login Banner Pages Menus Remote User Dial-Up Break Sequences Event Port Logging and Email Notification Dial-Out ISP Connection SSH Connections Login Banner Pages Banner Pages allow you to display text messages to users before and after authentication. -
Page 24: Enabling Menu Mode
SCS1600/3200 User Guide 4: Application Setup Console Server Example Internet Intranet In-Band Modem UNIX Server Phone Line Out-of-Band Router Switch Once you have completed the physical connections, you can establish an SSH or Telnet connection to the SCS's IP address and socket number of the desired port. -
Page 25: Creating The Menu
SCS1600/3200 User Guide 4: Application Setup For a single global menu, the system administrator defines menus using the menu configuration web page. For multiple, group, or nested menus, the system administrator defines menu text files and uploads them to the SCS. For more information on defining menus, see the SCS Reference Manual. -
Page 26: Using Menu/Connection Commands
SCS1600/3200 User Guide 4: Application Setup Connect Local Menu Entry Access a local service on the SCS with a general SCS command. Local Service Menu Entry Note: The Exit command, which only works in menu mode, allows users to return to the SCS Local> prompt. It is helpful to include this command in your menus until you have fully tested them--otherwise there is no way for users on menu mode ports to return to the Local>... -
Page 27: Enabling Menu Mode For A Port
SCS1600/3200 User Guide 4: Application Setup than one connection is open, you can jump between connections using the Ctrl+B and Ctrl+F hot keys. Note: If you do not include the disconnect command in the menu entry, you must manually disconnect each session using the disconnect command at the Local>... -
Page 28: Using The Menu
Telnet connection to that port. When you log into a port with menu mode enabled, you are presented with an initial login screen. Login Screen Lantronix SCSxx Version B3.6/3 (000410) Type HELP at the 'Local> ' prompt for assistance. Username>... -
Page 29: Remote User Dial-Up
SCS1600/3200 User Guide 4: Application Setup Remote User Dial-Up Dial-up access to the SCS can be accomplished either using a data-link protocol, typically PPP, or using an ASCII-based terminal connection with a terminal emulation application such as HyperTerminal. Connectivity to the SCS from a remote location requires that you create a user account, connect and configure a modem, enable authentication, and specify an IP address range for use during remote sessions. -
Page 30: Break Sequences
SCS1600/3200 User Guide 4: Application Setup d) If you want to enable authentication, check the Authenticate Users box. e) Click the Update button. Note: If you inserted a PC-card modem while the SCS was powered up, you need to restart the SCS. -
Page 31: Modem Mode
SCS1600/3200 User Guide 4: Application Setup Examples of Alternate Break Sequences Then The AltBreak sequence returns the The serial port is set to user to a local (SCS) command Break = Local The user Telnets to a remote prompt. network host from a local... -
Page 32: Event Port Logging And Email Notification
SCS1600/3200 User Guide 4: Application Setup Modem Mode Commands Command Function Provides passthru to the normal CLI ATDT ipaddress Forms a TCP connection Enables or disables echo command: ATEx 0 = echo off 1 = echo on (default) Hangs up (disconnects) network session... -
Page 33: Creating An Email Site
SCS1600/3200 User Guide 4: Application Setup 2. Click Configure next to the desired serial port. The Serial Port Settings window displays. Serial Port Settings 3. Enable port logging (also referred to as serial logging) by changing the Serial Log Size from 0 to any number between 1 and 250 Kbytes. -
Page 34: Dial-Out Isp Connection
SCS1600/3200 User Guide 4: Application Setup Note: Email sites are not related to the sites used by the SCS to manage connections. Sites are discussed in the SCS Reference Manual. To create an Email site using the web browser interface: 1. -
Page 35: Com Port Redirector
SCS1600/3200 User Guide 4: Application Setup 1. Configure a modem to handle connections from the SCS as described earlier. 2. Click the Dial-Out link under Quick Setup. 3. Complete the following fields: a) The Remote Username and Password for the ISP. -
Page 36: Ssh Connections
SCS1600/3200 User Guide 4: Application Setup The Com Port Redirector software and installation instructions are included on the distribution CD-ROM or from the Lantronix web site at: ftp://ftp.lantronix.com/pub/redirector SSH Connections Secure Shell (SSH) is a program that uses strong user authentication and encryption methods to secure communication from one host to another on a network. -
Page 37: Shared Key Authentication Process
SCS1600/3200 User Guide 4: Application Setup Note: Not all clients come with this program. If yours does not, you may need to use the Username/Password Authentication method described below. Once you have created a public key file: 1. Copy the contents of the public key file (identity.pub) to a text file. -
Page 38: Setting Up Dsa Shared Key Authentication (For Sshv2)
SCS1600/3200 User Guide 4: Application Setup RSA Method from Unix (OpenSSH) - No Passphrase sshuser@UNIXHOST /# SSH –1 SSHUSER 172.19.21.51 Lantronix SCS Version B1.0/405(011102) Type HELP at the ‘Local_33>’ prompt for assistance. Username> RSA Method from Unix (OpenSSH) - with Passphrase sysadmin@UNIXHOST/# -1sysadmin 172.19.21.51... -
Page 39: Forming Ssh Incoming Connections (Unix And Non-Unix)
SCS1600/3200 User Guide 4: Application Setup of their precedence settings, if configured. You can use the SCS’s web interface to configure authenticated users and set the authentication precedences. Note: The SCS does not update expired local passwords or run login scripts at this point in the SSH process. -
Page 40: Security Enhancements
SCS1600/3200 User Guide 4: Application Setup Forming an SSH Connection to a Port % ssh -p2202 (hostname or IP) Security Enhancements This section describes methods for increasing the security of the SCS. Incoming Security You can make the SCS into a highly secure host by turning off the FTP and HTTP... -
Page 41: Technical Support
This chapter discusses how you can diagnose and fix errors quickly without having to contact a dealer or Lantronix. It helps to connect a terminal to the serial port while diagnosing an error to view summary messages that may be displayed. -
Page 42: Leds
LEDs LEDs indicate serial port activity. On the SCS1600, two LEDs indicate receive and transmit activity for each serial port. On the SCS3200, a single LED does the same for each port. -
Page 43: Power-Up Troubleshooting
Problem situations and error messages are listed in the table below. If you cannot find an explanation for your problem, try to match it to one of the other errors. If you cannot remedy the problem, contact your dealer or Lantronix Technical Support. Problems and Error Messages... -
Page 44: Bootp Troubleshooting
SCS1600/3200 User Guide 5: Troubleshooting BOOTP Troubleshooting If the BOOTP request is failing and you have configured your host to respond to the request, check these areas: BOOTP Troubleshooting Area to Check Explanation BOOTP is in your system's BOOTP must be an uncommented line in /etc/services. -
Page 45: Flash
SCS1600/3200 User Guide 5: Troubleshooting Note: If you see the message "Will attempt another download in x minutes," press any key for the Boot> prompt. You can enter a series of commands called Boot Configuration Program (BCP) commands at the Boot> prompt to configure the SCS. These commands are a subset of the entire SCS command set. -
Page 46: Set Server Ipaddress Ip_Address
SCS1600/3200 User Guide 5: Troubleshooting Set Server Hardware xx-xx-xx Specifies the last three numbers of the SCS's Ethernet address. The first three numbers are supplied automatically. The Ethernet address should have been set at the factory. Setting an incorrect address could cause serious network problems. -
Page 47: Choosing The Right Software File
Flash ROM can be updated by downloading a new version of the operational software. Obtaining Software You can obtain a current firmware file and release notes for the SCS from the Lantronix web site (www.lantronix.com) or by using anonymous FTP (ftp.lantronix.com). -
Page 48: Reloading Software
SCS1600/3200 User Guide 6: Updating Software Reloading Software The SCS stores software in Flash ROM to control the initialization process, operation, and command processing. You can update the contents of Flash ROM by downloading a new version of the operational software via EZWebCon, FTP, the web interface, TFTP, or MOP. -
Page 49: Command Line Methods
Configuring TCP/IP Reload Local> SET PRIVILEGED Password> SYSTEM (not echoed) Local>> DEFINE SERVER LOADHOST nnn.nnn.nnn.nnn Local>> DEFINE SERVER SOFTWARE "/SCS1600.SYS" Local>> LIST SERVER BOOT Local>> INITIALIZE RELOAD Note: For instructions on how to log into the SCS to enter these commands, see Installation. -
Page 50: Troubleshooting Flash Rom Updates
SCS1600/3200 User Guide 6: Updating Software Troubleshooting Flash ROM Updates Running the following checks can solve problems that may occur when updating the Flash ROM: Troubleshooting Flash ROM Updates Protocol Area to Check Check the file and directory permissions. Ensure the loadhost name and address are specified correctly and that their case matches that of the filenames on the host system. -
Page 51: Compliance Information
(according to ISO/IEC Guide 22 and EN 45014) Manufacturer’s Name & Address: Lantronix 15353 Barranca Parkway, Irvine, CA 92618 USA Declares that the following product: Product Name & Model: Secure Console Server SCS1600 and SCS3200 Conforms to the following standards or other normative documents: Safety: EN60950:... -
Page 52: Warranty
Lantronix, freight prepaid. Upon verification of warranty, Lantronix will -- at its option -- repair or replace the product and return it to the customer freight prepaid. If the product is not under warranty, the customer may have Lantronix repair the unit on a fee basis or return it.
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