Lantronix XPort User Manual download pdf (Page 55)

8: Troubleshooting

XPort™ User Guide 55

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.

The device server is not

communicating with the serial

device it is attached to.

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 via

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 Telnetting 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.

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