Chenbro RM238 Series - 3.5-inch 12-Port 12 Gbps Mini-SAS HD Active Backplane

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