SR113 Family 
 
Backplane │ 45 
 
3-5 2.5” 8-Port 12Gb/s SAS Passive Backplane 
Table 13 Backplane specifications 
Yes, allows users to replace storage devices on line 
LED indicates storage device status 
Power LED – Off (Fault) 
– Blue on (Present) 
Activity LED – Green on(Access) 
 – Red on (Failure) 
 – Red 1Hz blink (Rebuild) 
 – Red 4Hz blink (Locate) 
Temperature sensor TMP75 (U3) 
1. 8 x SFF-8680 
2. 2 x Mini-SAS HD 
3. 1 x 8-pin ATX Mini-Fit power connector for +12V only  
4. 4 x 4-pin fan connectors 
5. 2 x 4-pin I2C connectors 
6. 1 x 6-pin SMD switch 
142.0(L) x 580(W) x 2.4(H) mm 
 
Figure 52 Backplane front view 
A. HDD_0 
B. HDD_1 
C. HDD_2 
D. HDD_3 
E. HDD_4 
F. HDD_5 
G. HDD_6 
H. HDD_7