11: Troubleshooting and Contact Information
Problem/Message Reason Solution
The device server is not
communicating with the seria
device to wh
l
ich it is attached.
gs
ere chosen.
device server must
atch. The default serial settings
,
The most likely reason is
the wrong serial settin
w
The serial settings for the serial
device and the
m
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 setu
server us
p
ing
get no response.
Double-check everything in the
problem above. Confirm that Caps
Lock is not on.
mode on the device
the serial port, you
The issue is most likely
something covered in the
previous problem, or
possibly, you have Caps
ock on. L
You can ping the device server, but
not Telnet to the device server on
port 9999.
r
network
The Telnet configuration
Turn the device server off and then
issue the following commands at
the DOS prompt of your computer:
f
et a
response, use the serial port to
verify that Telnet is not disabled.
There may be an IP
address conflict on you
You are not Telneting to
port 9999.
port (9999) is disabled
within the device server
security settings.
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 o
the device server).
If you get a response, then there is
a duplicate IP address on the
network. If you do not g
With DeviceInstaller, you get the
Wrong Password error when you tr
to upgrade the
y
firmware.
g The file you are attemptin
to load is the incorrect
rmware file for the UDS. fi
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.
tting is correct,
en you may not be
is that
the device server is not set
up correctly to make a good
socket connection to the
network.
ction to or
om the UDS by looking at the
ection
to the UDS from the network. Use
Connect Mode option C1 or C5 for
a connection to the network from
the UDS.
If you are sure that the
serial port se
th
connecting to the correct
socket of the device server.
Another possibility
You can check to see whether
there is a socket conne
fr
Status LED.
If the Status LED is blinking
consistently, then there is a good
socket connection.
If the Status LED is solid green,
then the socket connection does
not exist. Use the Connect Mode
option C0 for making a conn
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.
UDS1100 User Guide 69
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