Perle Systems DS1 manual Host Problems, Login Problems, Problems with Terminals

Page 112

Host Problems

Host Problems

Cannot access a host on a local network, verify:

zThe network address is correct.

zThe subnet mask is set correctly and reflects the network configuration.

zThe broadcast address is set correctly and reflects the network configuration.

Cannot access a host on a remote network:

zUse the show route command to verify that there is a route to the remote host. If no gateway is specified, verify that a default gateway is specified. Ping the default gateway to check if it is working.

zConsider the situation beyond the gateway; for example, are intermediate gateways and the remote host available? Also, check the messages returned by the ping command; for example, that a particular host or gateway is unreachable.

Gateways added into the gateway table are ignored by the Device Server:

zHave you used BOOTP and entered a single static gateway in the bootptab file entry? If yes, the other gateways will be ignored.

Access to host lost after a few minutes.

zIf the route to this host goes through routers, make sure those routers are all sending RIP packets across the networks.

Login Problems

You have lost or don't know your password (as Admin user).

zYou must reset the Device Server to its factory default settings using the Reset switch on the rear panel. There is no procedure to access the Device Server without a password.

Problems with Terminals

The following section concerns problems with the appearance of data on your terminal screen.

The Device Server logs me out after a few minutes:

zCheck the Idle Timer value set for the user. The default setting for the Idle Timer for all users is 0 seconds (does not timeout).

Corrupt data.

zCheck your line settings (baud rate, stop bits, etc.)

Missing data.

zVerify that the same type of flow control is set in both your terminal and on the Device Server’s port.

Error message not permitted on a dumb terminal after typing the CLI command

screen.

zSet your Line to Termtype VT100, ANSI or WYSE60 (or other form of terminal emulation, if you have downloaded one). The default line type in the Device Server is Dumb, which does not support the graphics characters necessary to view the text-based menus.

Screen corruption when using the text-based menu system.

zVerify that the terminal setup in the Device Server matches your terminal.

zVerify that entries in the term file match your terminal setup.

zIf using a PC/computer, verify that the type of terminal emulation selected in your application matches those supported by the Device Server.

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Contents Iolan DS Family DS1 User’s Guide EN 55022 1998, Class A, Note Table of Contents Installation Using the WebManager Accessing the Menu Menu ConventionsDHCP/BOOTP Using the DeviceManager Command Line Interface Server Commands Line Commands Appendix a Troubleshooting 115 Preface About This BookIntended Audience DocumentationTypeface Conventions Online HelpContacting Technical Support Making a Technical Support QueryRepair Procedure Feedback on this ManualDevice Server Features IntroductionAbout the Iolan Device Server HardwareSupported Products/Versions SoftwareSecurity Web BrowsersManaging/Accessing devices attached to the Device Server Typical Applications SummaryManaging the Device Server Network SecurityTypical Applications Summary Introduction InstallationIolan Device Server Components Powering Up the Device Server Setting JumpersUsing DeviceManager Setting an Initial IP AddressARP-Ping to assign a pinging it Using a Direct Connection Using DHCP/BOOTPUsing ARP-Ping LED GuideIPv6 Network Link/10/100Pinouts PinTerminal DB25 Connector EIA-232 Cabling DiagramsModem DB25 Connector PC DB9 Connector Modem DB9 ConnectorConfiguration Methods Chapter DeviceManagerUsing the WebManager Accessing the MenuWebManager MenuDHCP/BOOTP Menu ConventionsSnmp Configuring the Device Server Configuring the Device ServerGeneral Device Server Configuration Console Mode vs. Serial ModeHardware Configuration Device Server ServicesTrueport Machine To Machine Connections Users Connecting to the LAN Users Connecting to Serial DevicesConnecting To the Device Server Setting Up Lines Direct/Silent/Reverse ConnectionsVirtual Modems BidirUser Accounts Setting Up UsersUser Levels Configuring Network Options SessionsUsers From LAN to Device Server to Serial Device HostsConfiguring Time Language supportSyslog Loading a Supplied LanguageSoftware Upgrades and Language Files Translation GuidanceDownloading Terminal Definitions Creating Terminal Definition FilesTftp Configuration For exampleLost Admin Password Resetting Configuration ParametersDHCP/BOOTP Parameters 192.101.34.211 /accounting/german.txt Using Starting a New SessionPopulating the Device Server List Manage Device Server TabAssigning a Temporary IP Address to a New Device Server Configuration Tab Adding/Deleting Static Device ServersConnecting to a Device Server Creating/Editing Configuration FilesWorking With the Device Server Configuration Managing a Device ServerConfiguring the Server Working With a Local Configuration FileOEM Login Line Menu String ServerServices Configuring Trueport Baud Configuring the HardwareDHCP/BOOTP client process in the Device Server Syslog Syslog client process in the Device ServerConfiguring Lines Service Line Name Serial Interface SpeedDuplex TX Driver Control Echo SuppressionDumb WYSE60 VT100 Ansi TVI925 IBM3151TE Term1, Term2, Term3 user defined terminalsBreak Hotkey Prefix Flowin Flowout Reset Keep Alive LockLine Services Raw SettingsIdle Timer Session Timer Host Name Name of the target host PortTelnet Settings Erase Echo EscapeUDP Settings Bidir SettingsStart IP Address End IP Address Port Direction VModem SettingsHost Name Port Success Failure Suppress Style Configuring Users Configuring ModemsLevel Hotkey Prefix Idle Timer Session Timer Language Service Host IP TCP Port Configuring Line AccessLine Access Configuring the Default User Configuring SessionsSession Auto Configuring the Network Configuring HostsConfiguring Snmp Configuring Tftp Configuring GatewaysConfiguring Syslog Emergency Alert Critical Error Info DebugSubnet/Prefix Bits Gateway ListConfiguring Bootup Files Configuring Administration TasksConfiguring the Motd File Saving a Configuration To File Getting a Configuration FileConfiguring Multiple Device Servers StatisticsDownloading Device Server Firmware Server Name Password Reboot ServerIP Address Setting the Device Server’s Date and Time Rebooting the Device ServerResetting the Device Server to Factory Defaults Resetting a LineSetting DeviceManager Options Downloading a Language FileTools Interface Command SyntaxCLI Conventions Command Shortcuts Command OptionsServer Commands Server CommandsSet Server Set Service Hardware Commands Show ServerSet Ethernet Show HardwareTrueport Baud Commands User CommandsLogged Into the Device Server Commands Logout PingResume ScreenSet User Set User SessionShow Line Users Syslog ConsoleShow Sessions Show TermtypeTelnet TcpportConfiguring Users Set Default UserVersion Add UserIdle-timer Line-accessIp-host Phone-numberSess-timer Idle-timer Show Default User User Level Admin SyntaxOptions configureduser Show UserLine Commands Line CommandsSet Line Rev-sess-security Sess-timeBreak Hotkey-prefixReset KeepaliveMotd Stop-bitsSet Line Interface Set Line Service ConfighostServerport HostportShow Line Line Service CommandsSet Telnet-Client Set UDP BothinoutnoneOutboundport StartipaddressSet Vmodem Show InterfaceShow Telnet-Client Show UDPModem Commands Show VmodemAdd Modem Delete ModemNetwork Commands Snmp CommandsAdd Community Add TrapTftp Commands Delete TrapSet Snmp Show SnmpHosts Commands Add HostDelete Host Set HostAdd Gateway Gateway CommandsDelete Gateway Set Gateway Options configgatewayhostShow Gateways Time Commands Logging CommandsTime/Date Setting Commands Administration CommandsBootup Commands Tftp File Transfer Commands Show BootupShow ARP NetloadMotd Commands NetsaveSet Motd Show MotdConfiguration Statistics Statistic CommandsRun-Time Statistics Show Serial User Level Admin Syntax uptimeUptime 110 Iolan Device Server User’s Guide, Version Hardware Problems Communication Issues TroubleshootingGeneral communication checks and practices are as follows Login Problems Host ProblemsProblems with Terminals DHCP/BOOTP Problems Unknown IP AddressLong Reboot Cycle Language ProblemsRebooting the Device Server takes a long time Utilities TrueportTrueport Glossary 118 Iolan Device Server User’s Guide, Version Bootp IndexTftp User levels User parameters 61 user sessions 40 utility Index W
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DS1 specifications

Perle Systems TS2 and DS1 are advanced serial-to-Ethernet devices designed to facilitate seamless integration of serial devices with modern IP networks. These devices serve as crucial tools for businesses looking to enhance their communication capabilities while leveraging existing infrastructure.

One of the standout features of the Perle TS2 and DS1 is their ability to support multiple serial protocols including RS232, RS422, and RS485. This versatile support allows businesses to connect various legacy devices to their networks, ensuring that critical equipment can still communicate effectively in an increasingly digital landscape.

The TS2 model is particularly noted for its dual serial ports, enabling simultaneous communication with multiple devices. This capability is invaluable for applications requiring real-time data transmission, such as remote monitoring and automated control systems. The DS1 model, on the other hand, is designed for single-port use, making it an ideal solution for smaller-scale operations or specific single-device connections.

Both the TS2 and DS1 incorporate advanced features such as configuration through a web interface, which simplifies setup and management. Users can easily access device settings and monitor performance metrics remotely, enhancing operational efficiency. These devices also support various network protocols such as TCP/IP, UDP, and ICMP, ensuring compatibility with a wide range of network architectures.

In terms of security, Perle Systems prioritize user data protection. The TS2 and DS1 offer features including SSL encryption and SSH protection, providing an added layer of security for sensitive information transmitted over the network. This is particularly important for industries where data integrity and security are paramount, such as healthcare and finance.

Additionally, the rugged design of both devices ensures reliable performance even in harsh environments. With extended temperature ratings and robust housing, the TS2 and DS1 can operate in diverse conditions without compromising functionality.

To summarize, the Perle Systems TS2 and DS1 provide a reliable and flexible solution for connecting legacy serial devices to modern networks. With their support for multiple serial protocols, web-based management, robust security features, and rugged design, these devices cater to a variety of industries looking to modernize their communication infrastructure while maintaining existing equipment. Whether for large-scale operations or smaller implementations, the TS2 and DS1 equip businesses with the tools needed for effective serial communication in an IP-driven world.
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