Chenbro RM418 Series 6Gb/s 24-port 2.5 Expander Backplane(80H10341802A0, 80H10341803A0, 80H17341801A0), For 24-bay 2.5 Hot-swap HDD Cage - Manual - Manual (Page 10)

p/n : 80H10341803A0 ( SAS Expander Daughter Board Layout )
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
CE1~CE8 Bridge Board Connector Connection For Backplane
JF1~JF4 FAN connecter 4x Four Pin Connecter With PWM Function
JF5 Fan Connector Power Source 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 Alarm connecter (connect to PSU)
JC5 = PSU Mute connecter (connect to PSU)
JC8
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
JF1
JF3
JF2
JF4
CB1
CB2
JF5
JC4 JC5
JC8 JC1 JC3
CE1 CE2
CE5 CE6 CE7 CE8
CE3 CE4
SW1