Specifications

QSSC-S4R Technical Product Specification Hot Swap Backplane (HSBP)
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8.1.2 Placement View and LED Definition
The following section describes major components and/or connectors located on the Hot-swap Backplane (HSBP).
LED functionality is also described to provide an introduction to the HSBP board.
Figure 22. HSBP – Front View and Hard Drive Connectors 0 – 7
Figure 23. HSBP – Rear View
Table 12. Component Description
Item Description
A 13 Pin slim line SATA optical connector
B 29 Pin SAS/SATA Hard Drive Connectors 0-7
C 1X3 Pin SES connector
D 1X6 SATA SGPIO A
E 1X5 SATA SGPIO B
F 1X8 Hot Swap Back Plane Control
G 1X7 SAS/SATA for Optical Drive
H 2X2 Local View / CSS
I 2X3 HSBP Power
J 1X7 SAS SATA connectors for hard drive cables 0-7
The HSBP also provides individual HDD Act/fault LEDs indicating hard drive status. The table below shows the LED
functionality.
Table 13. HDD LED Indication
HDD LED Indicators LED Color Behavior Description
HDD #, 0, 1, 2, 3, 4, 5, 6, 7 Green Blinking HDD access or spin up/down
Amber – On HDD fault
Amber – Blinking Predictive failure, rebuild, identify
Off No access and no fault
Below is a table showing HDD activity LED differences between SATA and SAS HDDs.