RM245 Series
Backplane
│
53
The backplane includes several connectors and a jumper block, as defined in the following.
Table 19
Backplane specifications
Specification
Host Interface
SATA 7-pin
HDD Interface
SAS
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 senor TMP75 detect (U2)
Connector
1. 2 x SATA 7-pin
2. 2 x SFF-8680
3. 1 x 4-pin standard ATX power connector for +5V and +12V
4. 1 x 4-pin I2C
Dimension (L x W x H)
77.0 x 38.7 x 2.4 (mm)
Material
FR4 4 layers
Figure 63
Backplane front view
A.
HDD_0
B.
HDD_1
