RM245 Series
Backplane
│
49
3-4 12Gbps 8-Port Mini SAS HD Passive Backplane
Table 16 Backplane specifications
Specification
Host Interface
Mini SAS HD
HDD Interface
SAS 29-pin
Hot-Swap
Yes, allows users to replace storage devices online
Display
Environment Monitor
Temperature senor TMP75 detection
Connector
1. 8 x SFF-8680
2. 2 x Mini-SAS HD
3. 1 x 8-pin ATX Mini-Fit power connectors for +12V only
4. 4 x 4-pin fan
5. 1 x 4-pin I2C
6. 1 x 1-pin SMD switch
7. 4 x 4-pin 2.54 mm Wafer
8. 1 x 4-pin 2.5 mm Wafer
Dimension (L x W x H)
432.0 x 53.2 x 2.4 (mm)
Material
FR4 4 layers
Figure 60
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
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)
