A: Troubleshooting and Contact Information
UDS2100 Device Server User Guide 75
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 using
the serial port, you get no
response.
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.
With DeviceInstaller, you get the
Wrong Password error when you
try to upgrade the firmware.
The file you are attempting
to load is the incorrect
firmware file for the UDS.
Download the correct firmware file
from the Lantronix website.
The device server appears to be
set up correctly, but you are not
communicating with your device
attached to the device server
across the network.
If you are sure that the serial
port setting is correct, then
you may not be connecting
to the correct socket of the
device server.
Another possibility is that the
device server is not set up
correctly to make a good
socket connection to the
network.
Use the Connect Mode option C0
for making a connection to the UDS
from the network. Use Connect
Mode option C1 or C5 for a
connection to the network from the
UDS.
When connecting to the Web
Manager within the device server,
the "No Connection With The
Device Server" message displays.
Your computer is not able to
connect to port 30718
(77FEh) on the device
server.
Make sure that port 30718 (77FEh)
is not blocked with any router that
you are using on the network. Also,
make sure that port 77FEh is not
disabled within the Security
settings of the device server.
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