This is the third time you posted the same question. Call one of the responders and ask away. The downgrade could be many things. If harassment he has a defense. He could lose his State job if convicted of a DP or possibly a PDP. It is unlikely he would do time but more information is needed. He needs an attorney.
The entire record here needs to be reviewed in order to give you a reliable answer.
Please be advised my answers to questions does not constitute legal advise and you should not rely on it, due to the fact that we have never met, I have not been aprised of the facts in you case nor have I reviewed any documents.
If your friend obtains a good attorney, he will likely be treated very fairly.
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