Lantronix MatchPort b/g MatchPort b/g - User Guide - Page 89

Problem/Message, Reason, Solution, Troubleshooting, MatchPort User Guide

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10: Troubleshooting Problem/Message Reason Solution 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 Double-check the parameters that with DeviceInstaller, you get the the following: you specified. following message: Note: You cannot assign an IP No response from device! The Hardware address you specified is incorrect. address to a device server through a router. Verify the IP, Hardware Address and Network Class. Please try again. 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. The device server is not communicating with the serial device to which it is attached. The most likely reason is 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 through the serial port, you get no response. The issue is most likely something covered in the previous problem, or possibly, you have Caps Lock on. Double-check everything in the problem above. Confirm that Caps Lock is not 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. Turn the device server off and then issue the following commands at the DOS prompt of your computer: You are not Telneting to port 9999. ARP -D X.X.X.X (X.X.X.X is the IP of the device server). The Telnet configuration port (9999) is disabled within the PING X.X.X.X (X.X.X.X is the IP of device server security settings. the device server). If you get a response, then there is a duplicate IP address on the network. If you do not get a response, use the serial port to verify that Telnet is not disabled. MatchPort User Guide 89

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10: Troubleshooting
Problem/Message
Reason
Solution
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
.
The device server is not
communicating with the serial
device to which it is attached.
The most likely reason is 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
through the serial port, you get
no response.
The issue is most likely
something covered in the
previous problem, or possibly,
you 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 get a response, then there is
a duplicate IP address on the
network. If you do not get a
response, use the serial port to
verify that Telnet is not disabled.
MatchPort User Guide
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