Huper huberDVR 2400 User Manual page 168

Appendix
RO (5A Relay Dry Contact) Output Control
5 RO controls share the same power supply, and accept different levels of voltage. All the power
supplies must be the same type, i.e. AC or DC.
Application Example: Alarm Indicator (AC)
IOB-0805 RO Wiring Example A: Alarm Indicator (AC)
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