B-26
SPARC Enterprise M8000/M9000 Servers Service Manual • October 2012
B.15
Sensor Unit
The sensor unit (SNSU) monitors the intake-air temperature and humidity. In the M9000, this
unit is mounted only on a base cabinet. When the output value of the sensor exceeds the
reference value, XSCF issues an alarm to the system.
shows the SNSU.
FIGURE B-18
Sensor Unit (SNSU)
SNSU has the following characteristics.
■
Only cold replacement is available for the SNSU.
■
Only the temperature sensor and the humidity sensor are mounted.
■
Data processing such as A/D conversion is performed with the operator panel (OPNL).
■
The SNSU has a label bearing the printed component number and manufacture's serial
number.
Summary of Contents for SPARC Enterprise M8000
Page 4: ......
Page 15: ...Contents xv Index Index 1 ...
Page 16: ...xvi SPARC Enterprise M8000 M9000 Servers Service Manual October 2012 ...
Page 22: ......
Page 27: ...Chapter 1 Safety and Tools 1 5 M9000 Server Front View ...
Page 29: ...Chapter 1 Safety and Tools 1 7 Power Supply Unit PSU ...
Page 38: ...1 16 SPARC Enterprise M8000 M9000 Servers Service Manual October 2012 ...
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Page 154: ...5 6 SPARC Enterprise M8000 M9000 Servers Service Manual October 2012 ...
Page 205: ...Chapter 7 I O Unit IOU Replacement 7 13 FIGURE 7 8 Removing the IOU Front of M9000 1 1 2 3 ...
Page 227: ...Chapter 8 FAN Unit Replacement 8 11 FIGURE 8 9 Removing the FAN Unit Rear of M8000 1 2 ...
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Page 409: ...Chapter 20 Backplane Replacement 20 29 FIGURE 20 16 Removing the FANBP Rear of the M8000 ...
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Page 439: ...Chapter 23 Switch Backplane Replacement 23 7 FIGURE 23 4 Removing the SWBP Rear of the M8000 ...
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