Vivotek SD9366-EH-v2 User Manual page 10

Inner View
DI/DO Diagram
Dry contact with external DC power source to supply a relay. Dry contact is the safest connection
to protect devices.
DI-
DO+
DI+
DO-
PE
Switch
Photo
Coupler
DC 0V
NO NC
Relay
Safety wire hook
I/O combo connector
LAN connector
Alignment marks
External DC power
DC
External AC power
DC 0V
with Protected Earth
AC
PE
External Device
VIVOTEK
User's Manual - 10