Projection displays

[Bob Huish]

I was given two each of

Name P.S. Center Video connector/s
InFocus 1600GS ???? ? DB-26 female 3 rows of pins
nView ViewFrame II +2
+12v Pos DB-9 male
nView Spectra C with remote
12v Pos DB-15-s female, DB-9 male, DB15
two row of pins male

I need to know how to check them out. Any info on the connectors? The
1600GS power and center pin ?

Thanks for any help
Bob