Chapter 4
Installation Verification and Troubleshooting
©
National Instruments Corporation
4-3
GPIB-ENET for MacOS
MacOS for more information on running the utility and for
information about the configurable software parameters.
•
If the software verification test fails, make sure that no GPIB cables
are connected to the GPIB-ENET.
READY LED Signaling
The READY LED has several purposes on the GPIB-ENET. When you
first power on the GPIB-ENET, the READY LED flashes while it
completes its power-on self tests. When all the tests complete
successfully and the IP address is assigned, from either nonvolatile
memory or the network, the READY LED remains steady, indicating
that the unit is ready to operate.
During operation, there are times when the READY LED might flash
again. The first time occurs after upgrading the EEPROMs, when the
GPIB-ENET reports status on the operation. Refer to Appendix B,
Utilities, for more information. At other times, the GPIB-ENET alerts
you of internal errors. For assistance in correcting this problem, please
record the pattern that the READY LED flashes, and contact National
Instruments.
Note:
By recording the READY LED status messages before calling National
Instruments, you can save yourself time, and the GPIB Product Support
Department can answer your questions more accurately and efficiently. Do
not switch off power to your GPIB-ENET before recording the flashing
READY LED pattern.
READY LED signaling can report up to 100 different errors. The errors
are numbered from 0 to 99 and are reported through sequences of
READY LED flashes.
Step 1. Count the Long Flashes
A three-second interval, during which the READY LED is OFF,
separates each repetition of the sequence. The sequence begins with a
series of long one-second flashes; that is, one second ON, one second
OFF. These long flashes represent the digit in the tens column. There
can be one to ten long flashes, which represent digits 0 through 9. For
example, one long flash represents a 0 in the tens column, two long
flashes represent the digit 1 in the tens column, and ten long flashes
represent a 9 in the tens column.
