Specifications
Hot Swap Backplane (HSBP) QSSC-S4R Technical Product Specification
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Table 14. 8X HDD Activity LED Functionality on the HSBP
Condition Drive Type Behavior
Power on with no drive activity SAS Ready LED stays on
SATA Ready LED stays off
Power on with drive activity SAS Ready LED blinks off when processing a command
SATA Ready LED blinks on when processing a command
Power on and drive spun down SAS Ready LED stays off
SATA Ready LED stays off
Power on and drive spinning up SAS Ready LED blinks
SATA Ready LED stays off
8.1.3 Connector Signal Description and Pin-outs
This section describes signal detail and pin definition of major connectors on the Hot-swap Backplane (HSBP).
8.1.3.1 1x8-Pin HSBP Control Signal Description and Pin-outs
Table 15. HSBP Control Signal Description and Pin-outs
Pin Description Pin Description
1 SMB_IPMB_3V3SB_CLK 5 P3V3
2 GND 6 PWRGD_FPFB_HSBP
3 SMB_IPMB_3V3SB_DAT 7 PWRGD_BB_VR_PWROK
4 RST_FPFB_HSBP_N 8 P3V3_AUX
8.1.3.2 2x3-Pin HSBP Power Connector
Table 16. HSBP Power Connector Signal Description and Pin-outs
Pin Signal Description
1
P12V_240VA
2
P12V_240VA
3
P5V
4
GND
5
GND
6
GND
8.1.3.3 2x2-Pin Local View / CSS Connector
Table 17. HSBP Local View/ CSS Connector Signal Description and Pin-outs
Pin Signal Description
1 SMB_IPMB_3VSB_DAT
2 P3V3_AUX
3 GND
4 SMB_IPMB_3VSB_CLK
8.1.3.4 1x3-Pin SES Connector
Table 18. HSBP SES Connector Signal Description and Pin-outs
Pin Description
1 SMB_SAS_3V3_DAT
2 GND
3 SMB_SAS_3V3_CLK