user manual

Connectors
http://www.motorola.com/computer/literature 5-43
5
Fan Tachometer Headers (J3 and J4)
Refer to the next table for pin assignments and signal descriptions for the
Fan Tachometer headers (J3 and J4) on the CPV5350 Transition Module.
Indicator LED/Miscellaneous Header (J2)
Table 5-25. Fan Tachometer Header (J3 and J4) Pin
Assignments
Pin Signal Mnemonic Signal Description
1 VCC SM bus power
2 TACH Tachometer input for fan
3 GND Ground
4 +12V 12 volt power
Table 5-26. Indicator LED/Miscellaneous Header (J2) Pin
Assignments
Pin
Signal
Mnemonic Signal Description Pin
Signal
Mnemonic
Signal
Description
1 VCC +5V power (limited
to .75A total)
2 SPEAKER Speaker
output
3 VCC +5V power (limited
to .75A total)
4ALARMAlarm
indicator
LED