Product : ISaGRAF V3
Date : September-1999
File : Keybugs.Known pb concerning protection keys (dongle).htm
Subject : known problems concerning protection keys (dongle)
Keywords: Protection Key - dongle
Below are the most probable diagnostics when the protection key (the
dongle) is not recognized by the ISaGRAF software:
- the dongle is badly connected
- the dongle is connected to an 'off line' printer
- the dongle is dead
A dongle can be destroyed by plugging it on a 25 pin RS232 connector.
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