Instruction Manual
4-Port Mini-SAS Backplane 80H103215-013 ver. A2~A3.1 
User’s Manual 
15Fl., No.150, Jian Yi Road, Chung Ho City, Taipei Hsien, Taiwan R.O.C.,   
Tel: +886 2 82265500      Fax: +886 2 82265392 Email: info@chenbro.com.tw 
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www.chenbro.com 
Example for RM51924B chassis Mini-SAS backplane wiring 
  HDD12 HDD11 HDD10 HDD9 HDD24 HDD23 HDD22 HDD21 
 HDD8 HDD7 HDD6 HDD5 HDD20 HDD19 HDD18 HDD17 
 HDD4 HDD3 HDD2 HDD1 HDD16 HDD15 HDD14 HDD13 
Mini-SAS cable 
LED board signal cable (for Backplane) 
LED board signal cable (for LED Board) 
 Chassis fan wiring (Connecting start from Fan1) 
Chassis Fan x5 (RM519) / 
Chassis Fan x4 (RM512) 
Chassis Fan x3
LED Board 
 Display Board 
HBA/RAID Card #2 
HBA/RAID Card #1 










