Connection Examples; Figure 19: Example 1; Figure 20: Example 2 - Grandstream Networks GDS3710 User Manual

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The reverse EMF protection diode must always be installed in reverse polarity across the door strike.

Connection Examples

Below examples, show how to use wiring on the back cover of the GDS3710 to connect with external
devices. The "NO" (Normal Open) model strike is used as example, "NC" (Normal Closed) should be similar
and users need to decide which model (NO or NC) to be used on the door.
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Figure 19: Example 1

Figure 20: Example 2

GDS3710 User Manual
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