GE Corometrics 172

Revision C 170 Series Monitor 5-35
2000947-004
Theory of Operation: Main Board Theory of Operation
FECG/IUP Board Interface
J16 and J15 provide the interface to the FECG/IUP Board. J15 is patient isolated.
Figure 5-21. FECG/IUP Board Interface Block Diagram
FECG/IUP
Board
FECG
Connector
Telemetry
Connector
Telemetry
Switch
to Data Bus
Pressure
Connector
12-Bit A/D
Converter
IUP
RA, LA, RL
±PRESS
4V REF
Telemetry
FECG In
FECG
Telemetry
FECG Out