Table of Contents
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Chapter 3 Hardware Overview
Insert the alarm connector into the Signal slot.
3
Figure 14 Connecting a Sensor to the Signal Slot
Door Open
Sensor
Signal
Connector
To connect an output devicel, repeat the previous steps but this time connect to
4
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.
Use wires of the correct gauge to connect either of the signal output pin pairs (1-
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.
40
11 10
10
9
8
7
6
Signal Input Pins
(Dry contact,
normal open only)
Spring
Clip
5
4
3
2
1
Signal
Output
Pins
MES-3728 User's Guide
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Table of Contents
Troubleshooting
