Vivotek SC8131 User Manual page 30

VIVOTEK
Wet contact with external DC power source to supply a relay.
PE
Dry contact and using camera's DO+ to supply a relay.
DI-
DO+
DI+
DO-
PE
NOTE:
The maximum output load from DO pins is 50mA.
30 - User's Manual
DI-
DO+
DI+
Switch
DO-
NO NC
Relay
Switch
NC
NO
Relay
DC 0V
External DC power
DC
External AC power
with Protected Earth
AC
External Device
External AC power
with Protected Earth
AC
PE
External Device
PE