2Port Name SN Name NoteI/O Port1 ALARM_COM Alarm output public port.2 ALARM_NOAlarm output port. It is to output the alarm signalto the alarm device.NO: normal open alarm output port.It works with the ALARM_COM port.3 ALARM_IN1 Alarm input port 1. It is to receive the on-off signalfrom the external alarm source.4 ALARM_IN2 Alarm input port 2. It is to receive the on-off signalfrom the external alarm source.5 GND Ground port1.2 Framework and DimensionPlease note all frame and dimension illustrations provided in this chapter are forreference only, and actual product may vary.Please refer to Figure 1-2 or Figure 1-3 for dimension information according to the actual product.The unit is mm. Please also see Figure 1-4.Figure 1-2 Dimension illustration 1