RM238 Series
Backplane
│
53
3-4 3.5” 12-Port 12Gbps Mini-SAS HD Active Backplane
Table 14
Backplane specifications
Specification
Host Interface
Mini-SAS HD
Device Interface
SFF-8680
Hot-Swap
Yes, allows users to replace storage devices online
Display
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)
Environment Monitor
Temperature sensor TMP75 (U7,U8)
Connector
1. 12 x SFF-8680
2. 2 x Mini-SAS HD
3. 2 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 8-pin SMD switch
Dimension (L x W x H)
432.0 x 81.0 x 2.4 (mm)
Material
FR4 8 layers
Figure 73
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
I.
HDD_8
J.
HDD_9
K.
HDD_10
L.
HDD_11
