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 9)

SAS Expander Backplane Assembly Outlook
HDD Side
Host Side
p/n : 80H10341802A0 (2.5” 24-port Mini SAS Backplane Layout)
Components Description Function
JP1 ~ JP6 DC in, 4-Pin connector For backplane power source from power supply
CE1 ~ CE8 bridge board connecter Connection for SAS Expander daughter board
CN011 ~
CN241
SATAII / SAS HDD connecter Connect to 22pin SATAII or 29pin SAS 2.5” HDD
CN011
JP1 JP2 JP3 JP4 JP5 JP6 CE1 CE2 CE3 CE4
CE5 CE6 CE7 CE8
CN241