ZyXEL MES-3728 User Guide - Page 40
Door Open, Sensor, Spring, Signal, Connector, Signal Input Pins, Output
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Chapter 3 Hardware Overview 3 Insert the alarm connector into the Signal slot. Figure 14 Connecting a Sensor to the Signal Slot Door Open Sensor Spring Clip Signal Connector 11 10 9 8 7 6 5 4 3 2 1 Signal Input Pins (Dry contact, normal open only) Signal Output Pins 4 To connect an output devicel, 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 (1normal 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. 40 MES-3728 User's Guide