Norco SHB-970, User Manual, Page: 26 / 57

SHB-970
Industrial Full Size CPU Card
17
1
）
System Power LED Pins
（
Pin1, pin3 for POWERLED
）
Connect system power LED cable with these pins.
（
pin 1 is LED anode
）
When system is power on,
power LED is on
；
when system is power off, power LED is off.
2
）
Buzzer Pins
（
Pin 2, Pin8 for SPEAKER
）
Connect external speaker pins.
3
）
Keylock Pins
（
Pin7, pin9 for KYELOCK
）
Connect keyboard lock button to these two pins to control the keyboard. Press down the button, the
keyboard is locked and is unable to input. Press the button again, the keyboard is unlocked and is
able to input.
4
）
Sleep Button Pins
（
Pin11, pin 12 for SLEEP BUTTON
）
Connect the sleep button control cable to these two pins. Then press down the sleep button to
realize the sleep function.
5
）
Power Button Pins
（
Pin 13, pin14 for POWER BUTTON
）
Connect these two pins to the chassis bounce switch to connect or disconnect the power supply.
6
）
Sleep LED Pins
（
Pin 15, pin16 for SLEEP LED
）
Connect system sleep LED cable to connect to these two pins (Pin15 is LED anode). When
System is power on, the Power LED is on. When system is power down, the Power LED is off.
When system is power off, the Power LED flashed, indicating system entering sleep status.
7
）
Reset Button Pins
（
Pin17, pin18 for RESET BUTTON
）
Connect the reset button cable to these two pins. When system fails, reset button can make the
system continue to work and no need to turn on / off the power.
8
）
HDD LED Pins
（
Pin19, pin20 for HDD LED
）
One HDD LED on the front panel. When HDD write and read, the LED will flash, indicating the HDD
is working. Connect the HDD LED cable to these two pins (Pin19 is LED Cathode).