Senatek LS100 manual Appendix C Troubleshooting, Power/LED Status Troubleshooting

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Appendix C: Troubleshooting

C.1 Power/LED Status Troubleshooting

 

Problem

 

 

Cause

 

 

Action

 

 

 

Power LED does

 

Power cable is not

 

Check power connection

 

 

not light up

 

connected

 

 

 

 

 

 

 

 

 

 

 

 

Link LED does not

 

Ethernet cable is not

 

Check Ethernet cable connection

 

 

light up

 

connected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Invalid Ethernet cable is

 

There are two types of Ethernet cables: Straight-through cable

 

 

 

 

 

used

 

and crossover cable. If you are using an Ethernet hub, use

 

 

 

 

 

 

 

 

straight-through cable. If direct connection between the LS100

 

 

 

 

 

 

 

 

and remote host is used, use crossover cable instead.

 

 

 

 

 

 

 

 

 

ACT LED does not

 

Invalid IP configuration

 

Check IP configuration parameters

 

 

blink

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C.2 Serial Console Troubleshooting

 

Problem

 

 

Cause

 

 

Action

 

 

 

Serial console is not

 

Invalid serial cable

 

Be sure to use a serial console cable (null-modem cable) for

 

 

connected

 

 

 

 

serial console

 

 

 

 

 

 

 

 

 

 

 

 

 

Invalid serial port

 

Check serial port configuration of terminal emulation program:

 

 

 

 

 

configuration of terminal

 

9600 bps, 8 Data bits, No parity, 1 stop bit, Hardware flow

 

 

 

 

 

emulation program

 

control

 

 

 

 

 

 

 

 

 

 

 

 

 

Invalid Console/Data

 

Be sure that Console/Data switch position is Console side.

 

 

 

 

 

switch position

 

 

 

 

 

 

 

 

 

 

 

 

Serial console is

 

IP mode is DHCP, but

 

If IP mode is set to DHCP but IP is not actually assigned

 

 

halted for few

 

IP is not assigned

 

because of DHCP server failure, serial console is halted for few

 

 

seconds periodically

 

 

 

 

seconds at every 20 seconds. Change IP mode to the static IP

 

 

 

 

 

 

 

 

mode

 

 

 

 

 

 

 

 

 

Cannot login to

 

Invalid username and/or

 

Use valid username and password. If username and/or

 

 

console

 

password

 

password are lost, perform factory default reset using factory

 

 

 

 

 

 

 

 

reset switch. Factory default value of username and password

 

 

 

 

 

 

 

 

are both admin

 

 

 

 

 

 

 

 

 

 

 

C.3 Remote Console Troubleshooting

 

Problem

 

 

Cause

 

 

Action

 

 

 

Cannot connect to

 

The LS100 is not

 

Use serial console to assign valid IP address to the LS100

 

 

the LS100 using

 

assigned valid IP

 

 

 

 

 

telnet

 

address

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Someone is using serial

 

Exit serial console and retry telnet connection

 

 

 

 

 

console

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents HelloDevice Lite Series LS100 User Guide User Guide for the HelloDevice LS100 Contents Page Introduction OverviewPackage Check List Product Specification Serial InterfaceTerminologies and Acronyms MAC addressAcronym Table Getting Started Panel LayoutPanel layout of the LS100 Connecting to the Network Connecting the HardwareConnecting the Power Connecting to the Device Connecting a network cable to the LS100Accessing Console Port Using Serial ConsoleData/Console switch of the LS100 Using Remote Console Telnet program set up exampleCommand Usage LS100 command set summary1 ‘set’ Command IP configuration example screen2 ‘get’ Command 11 Help screen example3 ‘help’ Command 14 Getting all parameters screen4 ‘factorydefault’ Command 15 Help screen7 ‘reboot’ Command 5 ‘save’ Command6 ‘exit’ Command IP Address Configuration IP configuration parametersOverview Static IP ConfigurationStatic IP Setting IP configuration parameters for Static IP mode DhcpPPPoE Dhcp ConfigurationPPPoE Configuration LS100 TCP/IP session modes Host Mode ConfigurationHost mode configuration parameters Listen TCP Server Mode Operations Sync-SentSync-Recvd Listen TCP Server Mode Configuration TCP server mode settingTCP Client Mode Operations Operations Serial data transferTCP Client Mode Configuration State Transition Diagram of TCP client modeTCP Server/Client Mode Operations TCP client mode settingTCP Server/Client Mode Configuration State Transition Diagram of TCP server/client modeTCP server/client mode setting Serial Port Configuration Serial Port Configuration parametersSet serial 9600 7 e 2 h s n Serial port configuration System Administration Administration parameters configurationSerial Port Pin Outs Appendix a ConnectionsEthernet Pin outs HelloDevice Ethernet Wiring DiagramSerial Wiring Diagram Appendix B Well-known Port Numbers Table B-1 Well-known port numbersAppendix C Troubleshooting Power/LED Status TroubleshootingSerial Console Troubleshooting Remote Console TroubleshootingTCP Server Mode Operation Troubleshooting IP Address TroubleshootingDhcp Troubleshooting Serial Communication Troubleshooting

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