Any tips for someone starting a job in an hospital psych unit?

I have three years of working in residential treatment for adolescents, however, it was long-term care and mid-level acuity (high SI/SH urges, some aggressive bxs, mild bi-polar, no psychosis). I am going to be starting a job in the adult voluntary/involuntary stabilization unit of a local hospital in the new year as a mental health associate. I don't have experience working with psychotic or involuntary patients, and, I'll be honest, the prospect scares me because I don't really know what to expect. I know it will be an expansive period of growth and that a lot of learning happens while you're in it. But if anyone has worked inpatient stabilization and has tips for building rapport, managing stress + workplace violence, or any general tips/insight, I would be incredibly grateful.