Troubleshooting
WiPort™ User Guide
73
Problem/Message
Reason
Solution
You did not choose the correct
subnet mask.
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.
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.
You can check to see whether
there is a socket connection to or
from the device server by
checking the state of CP1, if it has
been configured for LED1
functionality.
If the state of CP1 is blinking
consistently, or is completely off,
then there is a good socket
connection.
If the state of CP1 is low, use the
Connect Mode option
C0
for
making a connection to the device
server from the network. Use
Connect Mode option
C1
or
C5
for a connection to the network
from the device server. See the
full list of Connect Mode options
in
Connect Mode
on page 43.
