Chenbro RM418 Series 6Gb/s 24-port 3.5 Expander Backplane(80H10341801A0), For 24-bay 3.5 Hot-swap HDD Cage - Manual - Manual (Page 10)

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3.5” 24-Port 6Gb/s SAS Expander Backplane 80H10341801A0
User’s Manual
Components Description Function
CB1
Mini-SAS SFF-8087 Connector
– Internal Input
Internal input from SAS RAID Card
CB2
Mini-SAS SFF-8087 Connector
– Internal Output
Internal output to rear window for expansion
JP1 ~ JP8 DC in, 4-Pin connector For backplane power source from power supply
CN011 ~
CN241
SATAII / SAS HDD connecter Connect to 22pin SATAII or 29pin SAS 3.5” HDD
JF1~JF6 Fan Connecter 4 Pins Connecter With PWM Function
JF7 Fan Connector 2 Pins Connector For Heat Sink Cooling Fan ( not used )
JC1 RS232 Connector For Debug ( only for Chenbro Technician )
JC3 Firmware Upload Connector For Firmware Update ( only for Chenbro Technician )
JC4, JC5 Alarm、 、 、 、Mute Connecter
JC4 = PSU Failure connecter (connect to PSU)
JC5 = PSU Mute connecter (connect to PSU)
JC6
Chassis Failure LED And Alarm
Mute Signal Connector Send Chassis Failure LED And Alarm Mute Signal To
Chassis Front LED / Control Board
SW1
DIP Switch
(for FAN and Temperature)
Set FAN Function and Temperature Level
Fan Connector Pin Definition (JF1 ~ JF6)
Power Failure Connector Pin Definition (JC4)
Power Alarm Mute Connector Pin Definition (JC5)
Pin
NO.
Descriptions
1 GND
2 12V
3 FAN Clock Input
4 FAN PWM Output
Pin
NO.
Descriptions
1 GND
2 Fail signal Input(Active Low)
Pin
NO.
Descriptions
1 MUTE -
2 MUTE +