Daktronics CE-1010 User Manual
Page 68
4.
Click [TEST].
5.
If the Transmit LED on the signal converter flickers, the signal is getting to the
signal converter. That means that the right Com port is being used. However, if it
does not flicker, the computer has either a software or hardware problem.
6.
If you get the same message in the “Received” box as in the “Sent” box, the loop-
back test was successful, implying that the cable has continuity to the point of the
connection.
Note: Flipped and straight cables will provide the same results. Check for correct
order of the wires.
7.
If “No Response” appears in the “Received” box, the test failed due to one of the
following problems:
a. The correct computer COM port is not being used, or USB port is not
configured as a “serial” port. (If the Transmit LED flickered, this was not
the problem.)
b. A communication problem exists:
•
The fiber or the ends on the fiber are bad.
•
(or) The wire or the terminations are bad.
c. There was a problem conducting the test:
•
The serial cable to the signal converter is bad or not plugged in.
•
The signal converter is not plugged in.
8.
If the words “It appears as if this port has a modem attached” appear, the modem will
need to be moved, or you need to use a different COM port.
After the test is complete:
1.
Remove the wire jumpers and make sure terminations are correct.
2.
(or) Remove the fiber splice, and reconnect fiber to fiberboard.
3.
Run the test again without the jumpers, splice, or loop-back box. The test should
fail.
4.
Use Venus 1500 Display Manager to receive the status to ensure communication
now works correctly.
6/30/2004
ED-14413
Page 7