User guide

RM312 User Guide 19 19" Rackmount Chassis
S1: Function Settings*
Switch Switch On Switch Off
Switch 1 HDD motor spin up delay mode Normal
Switch 2 HDD motor spin up remote mode Normal
Switch 3 Terminator On Terminator Off
* With this jumper, the user can set the SCSI HDD motor to start in sequence or
randomly.
S6: Fan and Temperature Settings
Switch Switch On Switch Off
Switch 1 FAN 1 sensor disabled FAN 1 sensor enabled
Switch 2 FAN 2 sensor disabled FAN 2 sensor enabled
Switch 3 FAN 3 sensor disabled FAN 3 sensor enabled
Switch 4 FAN 4 sensor disabled FAN 4 sensor enabled
Switch 5 FAN 5 sensor disabled FAN 5 sensor enabled
Switch 6 Temperature Set 50°C Temperature Set 60°C
JP1: Display Board Signals Output
Pin Output Pin Output
Pin 1 HDD1 LED + Pin 2 HDD1 LED -
Pin 3 HDD2 LED + Pin 4 HDD2 LED -
Pin 5 HDD3 LED + Pin 6 HDD3 LED -
Pin 7 HDD4 LED + Pin 8 HDD4 LED -
Pin 9 Fail LED + Pin 10 Fail LED -
Pin 11 Buzzer Mute Switch + Pin 12 Buzzer Mute Switch -
Fan 1, Fan 2, Fan 3, Fan 4, Fan 5: Connector Pin Assignments
Pin Description
1 GND
2 VDD
3 SENSOR
J7 and J8: Big 4P Pin Assignments
Pin Description
1 VDD
2 GND
3 GND
4 VCC