Chenbro Storage Chassis 4-Port
SAS / SATA-II Backplane User’s Manual
http://www.chenbro.com
8
LED Board Specification
1U LED Board
(Part Number 80H033124-003)
Function Switch Pin Definition
SW 1 SW 2 SW 3 SW 4
ON
Fan1~5 Enable
System Alarm
Temperature is 65°C
HDD Sequential
Spin up Disable
Fan Monitoring
Enable
OFF
Fan1~4 Enable
System Alarm
Temperature is 55°C
HDD Sequential
Spin up Enable
Fan Monitoring
Disable
USB
2.0
Yellow LED on: HDD busy
System Reset Switch
Alarm Mute Switch
Red LED on:
System Error
Power
Switch
Green LED On:
LAN 1 Busy
Green LED On:
LAN 2 Busy
Backplane signal
connector
System signal
connector to M/B
USB 2.0
connector to M/B
Function
Switch
HDD1~4
Activity LEDs
Blue LED on: Power On
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