Grandstream Networks GSC3516 User Manual page 17

To configure sensor settings on Both GSC3516/GSC3506, access web UI → System Settings → Sensor Setting.
Under the Basic Setting section, users can set "Sensor Type" and "Trigger Type".
Two states are supported by the Input circuit for the "Sensor Type":
1. Normally Open where the contact is disconnected when there is no electricity
2. Normally Close where the contact is connected when there is no electricity.
Users could set "Trigger Type" to:
1. Edge Triggered: When selected, the notification is triggered only when the level changes (high level to a low level, or low
level to a high level.
2. Level Triggered: When selected, only high level (1) will trigger the notification.
Under the "Trigger time" section, users can click on "Add" in order to configure different schedules and a trigger profile for
each one as shown in the figure below:
2-pin Multi-Purpose Input Applications for GSC3506
Sensor Settings