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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