© Copyright Qvis ®. All documentation rights reserved. 20Please refer to the follow sheet for detailed Input/Output port information:Port Name SN Name NoteI/O Port1 ALARM_COM Alarm output public port.2 ALARM_NOAlarm output port. This outputs the alarm signal tothe alarm device.NO: normal open alarm output port.It works with the ALARM_COM port.3 ALARM_IN1 Alarm input port 1. This receives the on-off signalfrom the external alarm source.4 ALARM_IN2 Alarm input port 2. This receives the on-off signalfrom the external alarm source.5 GND Ground port2.2 Framework and DimensionPlease note all frame and dimension illustrations provided in this chapter are for reference only,and actual product may vary.Please refer to Figure 2-2 or Figure 2-3 for dimension information according to the actual product. The unitis mm. Please also see Figure 2-4.Figure 2-2 Dimension illustration 1