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Chapter 2 Environmental Monitoring 25
FIGURE 2-1 Typical Environmental Monitoring Application Block Diagram
Transition card
(OEM supplied)
I
2
C
node
Rack
midplane
PWR
PWR
PWR
MUX
I
2
C
internal
bus
Solaris
SMC driver
Temp.
sensor
Temp.
voltages
ADM
1026
System
Monitor
PICL
application
program
(monitor &
warn only)
Voltage
outputs
Other boards
Power-supply
(OEM supplied)
Netra CP2500 board
I
2
C
external
bus
Power bus (+5.0 and 3.3 volts)
SMC
firmware
SMC
I
2
C