Mindray Accutorr 3 - Rear Housing Assembly

2-4
2.5 Rear Housing Assembly
Rear housing assembly consists of power module (AC/DC), power management and
interface board (including SpO
2
isolation power), battery compartment, NIBP module, and
SpO
2
board.
AC/DC Power Module
The AC/DC power board transforms the input AC into DC power, and is the power source for
all voltages in the equipment.
Power management and interface board
The power management interface board provides the following functions:
 Charge and discharge of battery and charge detection;
 DC/DC conversion: outputs 12V and 5V DC power;
 Control over power On/Off key and AC, BAT indicator;
 Communication transmission among parameter modules;
 Providing isolation power for the SpO
2
module; and,
 Providing external connectors, filter and protection for these connectors.
AC/DC power
module
NIBP module
Battery
compartment
Power
management and
interface board
SpO
2
board