Problem/Message
When you try to assign an IP
with Device Installer, you get
the following message:
"No resp
onse from device!
Verify th
e IP, Hardware
address
and Network Class.
Please tr
y again."
No LEDs
are lit.
The UDS
/CoBox will not p
up properly, and the LEDs are
flashing.
The
UD /CoBox is not
S
com
mu cating with the serial
ni
device it i
s attached to.
Whe
n y
ou
try to enter the setup
mode on
the UDS
/CoBox via
the serial port, you get no
response.
You can ping the UDS/CoBox,
but not Telnet to the
UDS/CoBox on port 9999.
CoBox-FL User Guide
Reason
The IP address you are trying to Confirm that your PC has an IP
assign is not on your logical
subnet.
The UDS/CoBox may not be
plugged into the network
properly.
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.
The unit or its power supply is
damaged.
ower
Various
The most likely reason is the
wrong serial settings were
chosen.
The issue will most likely be
something covered in the
previous problem, or possibly
you have Caps Lock on.
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
UDS/CoBox security settings.
Troubleshooting
Solution
address and that it is in the sam
logical subnet that you are trying
to assign to the UDS/CoBox.
Make sure that the Link LED is lit.
If the Link LED is not lit, then the
UDS/CoBox is not properly
plugged into the network.
Double-check the parameters that
you specified. Tip: You cannot
assign an IP address to a
UDS/CoBox through a router.
Change power supplie
s.
Consult the LEDs section in the
Introduction chapter or the Quick
Start for the LED flashing
sequence patterns. Call Lantronix
Technical Support if the blinking
pattern indicates a critical error.
The serial settings for the serial
device and the UDS/CoBox must
match. The default serial settings
for the UDS/CoBox are RS232,
9600 Baud, 8 Character Bits, No
Parity, 1 Stop Bit, No Flow
Control.
Double-check everything in the
problem above. Confirm that
Caps L
ock is not on.
Turn the
UDS/CoBox off and then
issue the
following command
the DOS prompt of your
computer: ARP -D X.X.X.X
(X.X.X.X is the IP of the
UDS/CoBox)
PING X.
X.X.X (X.X.X.X is the IP
of the UDS/CoBox).
If you get a response, then there
is a duplicate IP address on the
network (the LEDs on the
UDS/CoBox should flash a
e
s at
6-3
Need help?
Do you have a question about the CoBox-E2-01 and is the answer not in the manual?