Chenbro RM23808 - OCuLink Backplane Specifications

RM238 Series
Backplane │ 59
Table 21 Backplane specifications
Specification
Host Interface
OCuLink
Device Interface
SFF-8639 (U.2)
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 (U1)
Connector
1. 2 x SFF-8639 (U.2)
2. 2 x OCuLink
3. 1 x 4-pin ATX Mini-Fit power connector for +12V only
4. I x 4-pin I2C
Dimension (L x W x H)
77.0 x 34.0 x 2.4 (mm)
Material
FR4 6 layers
Figure 78 Backplane front view
A. HDD_0 B. HDD_1