RM138 Series
Backplane
│
47
3-2
3.5” 4
-Port 12Gbps Passive Backplane
Table 8 Backplane specifications
Specification
Host Interface
Mini-SAS HD
HDD Interface
SFF-8680 (SAS-29)
Hot-Swap
Yes, allows users to replace devices online
Display
LED indicates storage device status
Power LED
–
Off (Fault)
–
Blue on (Present)
Access LED
–
Green on (Access)
–
Red on (Failure)
–
Red 1Hz blink (Rebuild)
–
Red 4Hz blink (Locate)
Environment Monitor
Temperature sensor TMP75 detection
Connectors
1. 4 x SFF-8680
2.
1 x Mini-SAS HD
3.
1 x ATX 4P power mini fit connector for 12V
4.
1 x 5-pin I2C
Dimension (L x W x H)
426.6 x 26.8 x 2.4 (mm)
Material
FR4 4 layers
Figure 66 Backplane front view
A.
HDD_0
B.
HDD_1
C.
HDD_2
D.
HDD_3