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VIVOTEK
26 - User's Manual
DI/DO Diagram
DI-
DO+
DI+
DO-
Switch
External Device
External DC power
Dry contact with external DC power source to supply a relay. Dry contact is the safest connecon
to protect devices.
NC
NO
Relay
Photo
Coupler
DC
DC 0V
DC 0V
External AC power
with Protected Earth
AC
PE
PE
26. Install the dome cover by fastening the T10 anti-tamper screws. You may need to
carefully route the safety tether wire aside.
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