Chapter 8
Component Removal/Installation
REF 1029568 Rev B BiPAP Focus Ventilator Service Manual © Respironics, Inc. 8-19
The BiPAP Focus ventilator has the following communications requirements:
• Interprocessor communication (IPC) between the controller PCB and
the user interface PCB.
• Serial port for calibration and controller PCB software upgrade.
• USB port for user interface PCB software upgrade.
Figure 8-20: Communications Interconnection
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