SR107 Plus Series
Backplane
│
28
3-2 3.5” 4-Port 12Gbps Mini-SAS HD Backplane
Table 7
Backplane specifications
Specification
Host Interface
Mini-SAS HD (SFF-8643)
HDD Interface
SFF-8680 (SAS 29-pin)
Hot-Swap
Yes, allows users to replace devices online
Display
LED indicates storage device status
Power LED
–
Off (Fault)
–
Blue on (Present)
Activity LED
–
Green on (Access)
–
Red on (Failure)
–
Red 1 Hz blink (Rebuild)
–
Red 4 Hz blink (Locate)
Environment Monitor
Temperature sensor TMP75
Connector and Header
1.
1 x Mini-SAS HD
2.
4 x SFF-8680
3.
4 x big 4-pin power connector for +5V & +12V from power supply
4.
1 x pin header 2.00 mm (1 x 3)
5.
1 x pin header 2.00 mm (2 x 3)
6.
1 x pin header 2.54 mm (2 x 3)
7.
1 x pin header 2.54 mm (2 x 5)
8.
1 x 4-pin Wafer 2.50 mm
9.
2 x 2-pin Wafer 2.54 mm
10.
1 x 4-pin Wafer 2.54 mm
11. 1x I2C
Dimension (L x W x H)
106.0 x 114.0 x 2.4 (mm )
Material
FR4 4 layers
Figure 30
Backplane front view
A.
HDD_00
B.
HDD_01
C.
HDD_02
D.
HDD_03