2-5 
 
connection allows for interfacing to an externally located 24 bits, 800 x 600, SVGA 
monitor, which should be a medical grade monitor. 
8. USB port 
9. Network connection 
  One multiplex connector for network and software online upgrade. 
10.  Nurse call connection 
  Connects to the hospital’s calling system and outputs nurse call signals when an alarm 
occurs. 
11.  Inspiratory dust filter 
12.  Fan filter (filter at air intake vent) 
13.  Equipotential stud / lug 
Provides a ground point. Eliminates the ground potential difference between different 
devices to ensure safety. 
 
2.2.3 Air Compressor 
 
The air compressor has standby function. In the standby mode, the compressor starts to 
deliver compressed air to the ventilator automatically if the hospital central pipeline gas 
supply fails. The compressor stops delivering compressed air automatically when the central 
pipeline gas supply returns to normal. 
   
 
 
1. Power indicator 
  The power indicator is lit when the compressor is connected to power supply and the 
power switch is turned on. 
2. Status indicator 
  The status indicator is lit when the central pipeline gas supply is applied. 
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