Signal in
Solitl State Relay
Gml
Gnd
Pin assignments for LPT
DO = 2 D1 = 3 D2 = 4 etc
GND = 18..25
Mains Liwe
Mains lleiitral
Dangei: Mains current Keep Isolated at alltimes
1 13
••.ooooooooooooo/
',000000000000/
14 25
Małe pług (pins facing you)