Chapter 3
3-8 BiPAP Focus Ventilator Service Manual © Respironics, Inc. REF 1029568 Rev B
Theory of Operation
3.3 Back Panel The back panel has three connection points and the ON/OFF switch.
• Nurse call station/serial communications port
•USB port
• AC/DC power supply input and power cord strain relief clip
•ON/OFF switch
Figure 3-5: Back Panel
NOTE: The ON/OFF switch controls all power management function. Internal
battery charging and ventilator operation are disabled in the OFF (O)
position.
Nurse call/serial port
USB
port
AC/DC power
supply input
Power cord strain relief clip
ON/OFF switch
shown in the OFF
(O) position