Lantronix XPress DR+ manual Troubleshooting and Technical Support, Problems and Error Messages

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Chapter 13: Troubleshooting and 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 display. When troubleshooting, always ensure that the physical connections (power cable, network cable, and serial cable) are secure.

Note: Some unexplained errors might be caused by duplicate IP addresses on the network. Make sure that your unit's IP address is unique.

When troubleshooting the following problems, make sure that the unit is powered up. Confirm that you are using a good network connection.

Problems and Error Messages

Note: For information about diagnostic LEDs, see page 25.

Table 13-1. Problems and Error Messages

	Problem/Message			Reason			Solution
	When you issue the ARP –S			Your currently logged-in			Have someone from your IT
	command in Windows, the "ARP			user does not have the			department log you in with
	entry addition failed: 5" message			correct rights to use this			sufficient rights.
	displays.			command on this PC.
	When you attempt to assign an IP			When you Telnet to port 1			Telnet back to port 1. Wait for it
	address to the unit by the ARP			on the device server, you			to fail, then Telnet to port 9999
	method, the "Press Enter to go			are only assigning a			again. Make sure you press
	into Setup Mode" error "(described			temporary IP address.			Enter quickly.
	below) message displays. Now			When you Telnet into port
	when you Telnet to the device			9999 and do not press
	server, the connection fails.			Enter quickly, the device
				server reboots, causing it
				to lose the IP address.

	When you Telnet to port 9999, the			You did not press Enter			Telnet to port 9999 again, but
	"Press Enter to go into Setup			quickly enough. You only			press Enter as soon as you see
	Mode" message displays.			have 5 seconds to press			the "Press Enter to go into
	However, nothing happens when			Enter before the			Setup Mode" message.
	you press Enter, or your			connection closes.
	connection closes.

XPress DR+ User Guide

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Contents XPress DR+ User Guide Lantronix Corporate Headquarters Technical Support Sales OfficesDate Rev Comments Contents Using DeviceInstaller Configuration Using Web ManagerContents Configuration Using Telnet or Serial Port Setup Mode Setup Mode Server ConfigurationSetup Mode Channel Configuration Expert Settings Option 5 Setup Mode Advanced SettingsAppendix D Binary to Hexadecimal Conversions 108 Firmware UpgradesMonitor Mode Troubleshooting and Technical SupportFigures Appendix F Warranty 115 Index 116Tables Chapter Description Using This GuidePurpose and Audience Summary of ChaptersAdditional Documentation Using This GuideProduct Description IntroductionXPress DR+ Front IntroductionNetwork Protocols Serial Tunneling Industrial Automation ProtocolsExample of Serial Tunneling XPress DR+ Application ExamplesPort Numbers Addresses and Port NumbersHardware Address IP AddressLantronix Web Manager. See Configuration Using Web Manager Configuration MethodsWhat Must the User Provide? Installation and HardwarePhysically Connecting the XPress DR+ Whats in the Box?XPress DR+ Front Panel Installation and HardwareFront of XPress DR+ Serial InterfaceSerial Screw Terminal Pinout for RS485 2-Wire Screw Terminal Serial ConnectorsRJ45 Serial Connector Pinouts Serial Screw Terminal Pinout for RS422 4-WireDTE, 9-Pin XPress DR+ Female Serial RJ45 Pin RS-232 to Serial RJ45 Cable P/NEthernet Interface Signals Typical RJ45 ConnectorEthernet Interface Power Requirements Reset SwitchMulti-Drop Ethernet Connections LEDs RXD Activity LED TXD Activity LED Ethernet Link LEDEthernet Activity LED Dimensions Status MeaningXPress DR+ LED Functions Product Information Label Wall Mount BracketXPress DR+W Application ExamplesSerial Tunneling Network Ad Hoc Network Serial Tunneling InfrastructureXPress DR+W Ad Hoc XPress DR+W Connection Physically Connecting the XPress DR+WFront Panel Description Typical XPress DR+W ConfigurationXPress DR+W LED Functions Required Information for Initial ConfigurationIP Address Subnet Mask Gateway Installing the XPress DR+W for Initial ConfigurationServer Configuration Option Wlan SettingsOptions Bit Network Mode XPress DR+W onlyBootP/DHCP/AutoIP options Set Gateway IP AddressChange Dhcp Device Name Wlan Configuration OptionChange Telnet Configuration Password Netmask Number of Bits for Host PartTopology Network Name SsidAdhoc Network Channel Key Type Encryption Key HexPassphrase WPA Fixed or Automatic Data Rate WPA2/802.11iTransmission Data Rate Next StepsAssigning an IP Address Using DeviceInstallerInstalling DeviceInstaller To install DeviceInstallerTo view the units current settings Accessing the XPress DR+ Using DeviceInstallerViewing the Current Configuration Using DeviceInstallerSetting Description Supports Dynamic IP Supports ConfigurablePins Supports Http SetupConfiguration Using Web Manager Accessing XPress DR+ Using DeviceInstallerConfiguration Using Web Manager Lantronix Web Manager Network ConfigurationDhcp Host Name Automatic IP Address ConfigurationTo assign an IP address automatically AutoIPTo assign an IP address manually Server ConfigurationStatic IP Address Configuration Default GatewayServer Configuration To configure the units device server settingsAdvanced Host List Configuration To configure the units host list0x77FE Server Port MTU Size To configure the channel’s serial settings Channel ConfigurationSerial Settings Retry SettingsChannel Port SettingsPack Control Flush Input Buffer Serial to NetworkFlush Output Buffer Network to Serial To configure a channel’s TCP settings Connection Settings TCPConnect Protocol Connect Mode Passive ConnectionConnect Mode Active Connection Endpoint ConfigurationCommon Options Connection Settings UDPDisconnect Mode To configure a channel’s UDP settingsDatagram Type Datagram ModeDevice Address Table Wlan Configuration XPress DR+W onlyWlan Settings Ad Hoc Network Type To configure the XPress DR+W’s Wlan settingsChannel Wireless Network ConfigurationNetwork Name Ssid Network TypeWireless Network Security WEP OptionsWPA Options WPA2/802.11i Options Applying SettingsApplying Factory Defaults Advanced SettingsAccessing Setup Mode Configuration Using Telnet or Serial Port Setup ModeConfiguration Using Telnet or Serial Port Setup Mode Serial Port ConnectionTo establish a Telnet connection To exit setup mode Exiting Setup ModeSetup Mode Server Configuration Setup Mode Server Configuration Dhcp Name Setup Mode Channel Configuration Channel 1 Option 1 and Channel 2 OptionBaudrate Common I/F Mode Setting Binary Hex Interface ModeSetup Mode Channel Configuration Mode OptionPort Numbers Reserved for FlowPort Number Flow Control Option HexConnect Mode Option Connect ModeIncoming Connection ResponseActive Startup Autostart Automatic ConnectionHostlist Directed UDP Modem ModeTo enable the hostlist Datagram TypeMessage Meaning Modem Mode Commands Modem Mode Function CommandSend the Escape Sequence +++ in Modem Mode Auto Increment Source PortRemote IP Address DisConnMode Disconnect Mode OptionDisconnect Mode Options Remote PortFlush Mode Buffer Flushing Pack ControlOption Send Characters DisConnTime Inactivity TimeoutPacking Interval Trailing CharactersTelnet Terminal Type Channel Port PasswordWlan Settings XPress DR+W Only Send CharactersTopology 0=Infrastructure, 1=Adhoc 0 ? WEP WEP64 or 13 WEP128 bytes and limits the number of key TX Data rate 0=fixed, 1=auto fallback 1 ? Enable Power Management Disable Monitor Mode at bootup Setup Mode Advanced SettingsExpert Settings Option ARP Cache timeout in secondsHttp Port Number Security Settings OptionEnable alternate MAC Setup Mode Advanced SettingsDisable Port 77FE Hex Disable SnmpDisable Telnet Setup Disable Tftp Firmware UpgradeDefault Settings Option Topology AdHoc Network Name Expert SettingsSecurity Settings Wlan Settings XPress DR+W onlyROM File Firmware UpgradesUsing Tftp Graphical User Interface Obtaining Firmware Reloading FirmwareUsing Tftp Command Line Interface Firmware UpgradesTo recover firmware Firmware Upgrades Monitor Mode Commands Monitor Mode Entering Monitor Mode Using the Serial Port Entering Monitor Mode Using the Network PortG0, G1, ....,Ge, Gf Monitor ModeCommand Command Name Function Monitor Mode CommandsResponse Meaning Command Response CodesProblems and Error Messages Troubleshooting and Technical SupportProblems and Error Messages Problem/Message Reason SolutionTroubleshooting and Technical Support XPress DR+ User Guide 101 Technical Support Europe, Middle East, and Africa Technical SupportXPress DR+ and XPress DR+W Specifications Appendix a Technical SpecificationsAppendix a Technical Specifications XPress DR+W Wireless SpecificationsCategory Ieee 802.11b/g Appendix B Lantronix Cables and Adapters Lantronix P/N DescriptionApplications AutoIP Appendix C Alternative Methods of Assigning an IP AddressARP and Telnet Appendix C Alternative Methods of Assigning an IP AddressTo assign a temporary IP address Scientific Calculator Appendix D Binary to Hexadecimal ConversionsConverting Binary to Hexadecimal Conversion TableAppendix D Binary to Hexadecimal Conversions Emissions Immunity Appendix E Compliance InformationDeclaration of Conformity Electromagnetic Emissions and Immunity XPress DR+Appendix E Compliance Information RadioElectromagnetic Emissions and Immunity XPress DR+W XPress DR+W Regulatory Information USA Federal Communications Commission FCC NoticeCanada Industry Canada Notice Europe R&TTE Directive 99/5/EC, Wireless Notice Antenna NoticeExposure of Humans to RF Fields Australia & New Zealand Wireless Notice Appendix F Warranty Index