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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.
12311 10 45698710
Door Open
Sensor
Spring
Clip
Signal
Connector
Signal Input Pins
Signal
(Dry contact,
Output
Pins
normal open only)