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Appendix C: LoopTest Utility
5536 PRI RAS Communications Controller Users Guide 159
Driver Not
Loaded
The driver was not in a working state when LoopTest
was launched. Possible causes are:
• The board is not installed.
• The driver is not installed, or is improperly installed.
• The firmware is invalid (ISDN layer not present) or
not loaded. To check the firmware status:
a. From the Start menu, select Programs, then
Interphase WAN Adapters, and then WAN
Setup.
b. See if the microcode is loaded (colored lights
must be green), and check its characteristics
(ISDN layers must appear).
Driver access
denied
This error occurs in the following situations:
• You are executing more than the maximum 15
instances of LoopTest.
• The driver is not installed, or is improperly installed.
Connection failed The connection cannot be established, and the ISDN
network has not supplied a reason. This error generally
occurs when the dialing number is wrong.
ERROR:
Connection cut
off
The connection was cut off during data exchange with
no notification from or to the network. This error
generally occurs when the ISDN cable is removed
during testing.
Message Cause