Lantronix Micro Embedded Integration Kit (EIK) - User Guide - Page 43

Problem/Message, Reason, Solution

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Troubleshooting Problem/Message Reason Solution The IP address you are trying to assign is not on your logical subnet. Confirm that your PC has an IP address and that it is in the same logical subnet that you are trying to assign to the device server. The device server may not be plugged into the network properly. Make sure that the Link LED is lit. If the Link LED is not lit, then the device server is not properly plugged into the network. When you try to assign an IP The cause is most likely one of with DeviceInstaller, you get the the following: following message: The Hardware address you specified is incorrect. No response from device! Verify the IP, Hardware The IP address you are trying to Address and Network Class. assign is not a valid IP for your Please try again. logical subnet. Double-check the parameters that you specified. Note: You cannot assign an IP address to a device server through a router. No LEDs are lit. The device server will not power up properly, and the LEDs are flashing. You did not choose the correct subnet mask. The unit or its power supply is damaged. Various The device server is not communicating with the serial device it is attached to. Most likely, the wrong serial settings were chosen. When you try to enter the Setup The issue is likely to be Mode on the device server via something covered in the the serial port, you get no previous problem, or you may response. have Caps Lock on. You can ping the device server, There may be an IP address but not Telnet to the device conflict on your network server on port 9999. You are not Telneting to port 9999. The Telnet configuration port (9999) is disabled within the device-server security settings. Test the power source and replace if faulty. Consult the LEDs section in the Integration Guide for the LED flashing sequence patterns. Call Lantronix Technical Support if the blinking pattern indicates a critical error. The serial settings for the serial device and the device server must match. The default serial settings for the device server are RS-232, 9600 baud, 8 character bits, no parity, 1 stop bit, no flow control. Double-check everything in the problem above. Confirm that Caps Lock is not on. Turn the device server off and then issue the following commands at the DOS prompt of your computer: ARP -D X.X.X.X (X.X.X.X is the IP of the device server) PING X.X.X.X (X.X.X.X is the IP of the device server). If you receive a response, then there is a duplicate IP address on the network (the LEDs on the device server should flash a sequence that tells you this). If you do not get a response, use the serial port to verify that Telnet is not disabled. 2 Embedded Integration Kit User Guide

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Troubleshooting
2
Embedded Integration Kit User Guide
Problem/Message
Reason
Solution
The IP address you are trying to
assign is not on your logical
subnet.
Confirm that your PC has an IP
address and that it is in the same
logical subnet that you are trying
to assign to the device server.
The device server may not be
plugged into the network
properly.
Make sure that the Link LED is lit.
If the Link LED is not lit, then the
device server is not properly
plugged into the network.
When you try to assign an IP
with DeviceInstaller, you get the
following message:
No response from device!
Verify the IP, Hardware
Address and Network Class.
Please try again.
The cause is most likely one of
the following:
The Hardware address you
specified is incorrect.
The IP address you are trying to
assign is not a valid IP for your
logical subnet.
You did not choose the correct
subnet mask.
Double-check the parameters that
you specified.
Note:
You cannot
assign an IP address to a device
server through a router.
No LEDs are lit.
The unit or its power supply is
damaged.
Test the power source and
replace if faulty.
The device server will not
power up properly, and the
LEDs are flashing.
Various
Consult the LEDs section in the
Integration Guide
for the LED
flashing sequence patterns. Call
Lantronix Technical Support if the
blinking pattern indicates a critical
error.
The device server is not
communicating with the serial
device it is attached to.
Most likely, the wrong serial
settings were chosen.
The serial settings for the serial
device and the device server must
match. The default serial settings
for the device server are RS-232,
9600 baud, 8 character bits, no
parity, 1 stop bit, no flow control.
When you try to enter the Setup
Mode on the device server via
the serial port, you get no
response.
The issue is likely to be
something covered in the
previous problem, or you may
have
Caps Lock
on.
Double-check everything in the
problem above. Confirm that
Caps Lock
is not on.
You can ping the device server,
but not Telnet to the device
server on port 9999.
There may be an IP address
conflict on your network
You are not Telneting to port
9999.
The Telnet configuration port
(9999) is disabled within the
device-server security settings.
Turn the device server off and
then issue the following
commands at the DOS prompt of
your computer:
ARP -D X.X.X.X (X.X.X.X is the IP
of the device server)
PING X.X.X.X (X.X.X.X is the IP
of the device server).
If you receive a response, then
there is a duplicate IP address on
the network (the LEDs on the
device server should flash a
sequence that tells you this). If
you do not get a response, use
the serial port to verify that Telnet
is not disabled.