3Com 3015 (3C13615), 3013 (3C13613) Illegible Characters, Display on, Terminal after, Power-On

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50CHAPTER 5: TROUBLESHOOTING

Illegible Characters

If the system operates normally after the system runs the POST, the start-up

Display on the

information is displayed on the console terminal. If the configuration system has a

Terminal after

fault, the terminal may display only illegible characters.

Power-On

If the console terminal displays illegible characters after the POST, verify that the

 

 

HyperTerminal parameters are set properly, as follows:

 

Baud: 9600

 

Data bits: 8

 

Stop bit: 1

 

Parity: None

 

Flow control: None

 

Terminal emulation: VT100

 

If the parameter settings do not match these values, reconfigure them.

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Contents Router 3000 Family Installation Guide Marlborough, MA 3Com CorporationCampus Drive 01752-3064Contents Console Cable AUX Cable Ethernet Cable T1 CableList conventions that are used throughout this guide About this GuideConventions Text ConventionsExamples Introducing the Router Family RouterSystem Specifications for the Router Router 3012 LEDsAUX Port Console PortLists attributes of the console port Lists attributes of the AUX portLists attributes of the Ethernet port Router 3013Ethernet Port Synchronous/Asynchronous Serial PortSystem Specifications for the Router 3013 and Router Router 3013 Description Router 3015 DescriptionRouter 3013 and Router 3015 LEDs SerialEIA/TIA-23 Lists attributes of the Isdn S/T and Isdn U ports Router 3016Isdn S/T and Isdn U Ports Attributes of Isdn S/T and U PortsSystem Specifications for the Router 3016 and Router Router 3016 Description Router 3018 DescriptionRouter 3016 LEDs T1-ACT/E1-ACTAttributes of the Ethernet Port CT1/PRI and E1/CE1/PRI PortsLists attributes of the CT1/PRI and and E1/CE1/PRI ports Attributes of the CT1/PRI PortIsdn PRI Installing the Router Gases Temperature and HumidityDust Static ElectricityElectromagnetic Discharge Lightning DamageBottom of the Router Wire Installing the RouterConnecting On a WorkbenchTo the Ethernet To the ConsoleTerminal Connecting the Router to the WAN Installing the Router Installation VerifyingInstalling the Router Setting Booting and Configuring RouterConnecting the Router To a Local ConsoleConnection Description Dialog Box Set the following parameters Bits per second 9600 Data bits Parity None Stop bitsHyperTerminal Window Information displays on the terminal screen Powering on RouterStartup Process Configuration Online help, available by typing ? at any time Help for the Configuration Software Maintenance Maintaining the RouterDownloading Xmodem ProtocolSend File Dialog Box Terminal displays the following menu Creating the Tftp Upgrade ConfigurationProtocol Applications with the copy from Tftp ProtocolConfiguring the Router Press Enter. The following information displaysUpgrading the Application Using FTPCreating a Local FTP Upload/Download Configuration UploadingAdd the user name and password Creating a Remote FTP Upload/Download ConfigurationFTP server ready on R3000 at User10.110.10.10none R3000 quit R3000 save Hardwaretools Router ChassisBoot ROM Location CoverMaintaining the Router Nothing is Displayed on the Terminal after Power-On TroubleshootingPower LED is Off Display on Power-OnIllegible Characters Terminal afterAUX Cable Optional Cable SpecificationsConsole Cable Describes the console cable pinouts Console Cable PinoutsThat uses category-5 twisted pair cable, as shown in Figure Ethernet CableDescribes the AUX cable pinouts AUX Cable Pinouts Straight-through Network Cable Pinouts Serial Port CableDescribes crossover network cable pinouts Crossover Network Cable PinoutsTypical DTE and DCE DTE and DCE modeCable Pinouts EIA/TIA-232 Maximum Transmission Baud Rate bps Distance mDescribes V.24 EIA/TIA-232 DCE cable pinouts Describes V.24 EIA/TIA-232 DTE cable pinouts24 EIA/TIA-232 DCE illustrates the V.24 DCE cable 24 EIA/TIA-232 DTE Cable PinoutRTS/CTS CTS/RTS DTR/DSR LL/DCD Describes V.35 DTE cable pinouts DB-50 Signal Signal DirectionDTE Cable Pinouts illustrates the V.35 DTE cable DCE Cable Pinouts illustrates the V.35 DCE cableDTE Cable Pinouts illustrates the X.21 DTE cable Signal DB-50 DirectionDescribes V.35 DCE cable pinouts 35 DCE cable Pinouts Describes X.21 DCE cable pinouts Describes X.21 DTE cable pinoutsDCE Cable Pinouts illustrates the X.21 DCE cable 21 DTE Cable PinoutsPinouts DB50 Signal Signal Direction DB37EIA/TIA-449 DTE Cable illustrates the EIA/TIA-449 DTE cable Describes EIA/TIA-449 DTE cable pinoutsEIA/TIA-449 DCE Cable Assembly EIA/TIA-449 DCE Cable illustrates the EIA/TIA-449 DCE cableDescribes EIA-530 DTE cable pinouts DB50 Signal Signal Direction DB25EIA-530 DTE Cable illustrates the EIA-530 DTE cable EIA-530 DTE Cable PinoutsDescribes T1 cable pinouts T1 CableIsdn BRI Cables Describes Isdn S/T port cable pinoutsIsdn U Port Cable Obtaining Support for Your Router Support and Repair Contact UsTelephone Technical Latin America Telephone Technical Support and Repair US and Canada Telephone Technical Support and RepairAppendix B Obtaining Support for Your Router