Chapter 3 Hardware Overview
MGS3700-12C User’s Guide
42
3 Insert the alarm connector into the Signal slot.
Figure 14 Connecting a Sensor to the Signal Slot
4 To connect an output device, repeat the previous steps but this time connect to
either pins (1,2) or (2,3) on the Signal connector.
You can also daisy-chain the external alarm to another ZyXEL Switch which
supports the external alarm feature. If daisy-chaining to a ZyXEL switch that is a
different model, check your switch’s documentation for the correct pin
assignments.
1 Use wires of the correct gauge to connect either of the signal output pin pairs (1-
normal close, 2-common) or (2-common, 3-normal open) on the Signal
connector to the input signal pin pairs of an Signal connector on another ZyXEL
Switch.
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