PC TC
seriaiport COHHECTIOH PC->TX (PTT Ł C¥ kevl ^ no cralyanic isolation
serial nort COHHECTIOH PC->TX (PTT Ł C¥ kevl ^ ¥ith galyanic isolation
PC TC
Parallel port COHHECTIOH PC->TX (PTT Ł C¥ kevl no cialyanic isolation
Parallel port COHHECTIOH PC->TX (PTT Ł C¥ kevl ¥ith galyanic isolation
+6 V...12V
+6 VaHs