Specifications

QSSC-S4R Technical Product Specification Front Panel Fan Board (FPFB) and Operator Panel
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Table 67. System Fan Mapping
System Fan PWM Tach Fault
1 0 1 1
2 1 2 2
3 2 3 3
4 3 4 4
5 0 5 5
6 1 6 6
7 2 7 7
8 3 8 8
The tables below describe the signaling detail and pin-out information of the major connectors located on the FPFB.
Table 68. FPFB Fan Control Signal Description & Pinouts
Pin Signal Description Pin Signal Description
1 FAN_PWRGD 21 FAN_PWM3
2 VR_PWROK 22 FAN_PWM4
3 FAN_PRSNT1_N 23 GND
4 FAN_PRSNT2_N 24 LED_FAN1_FAULT
5 FAN_PRSNT3_N 25 LED_FAN2_FAULT
6 FAN_PRSNT4_N 26 LED_FAN3_FAULT
7 FAN_PRSNT5_N 27 LED_FAN4_FAULT
8 FAN_PRSNT6_N 28 LED_FAN5_FAULT
9 FAN_PRSNT7_N 29 LED_FAN6_FAULT
10 FAN_PRSNT8_N 30 LED_FAN7_FAULT
11 FAN_TACH2 31 LED_FAN8_FAULT
12 FAN_TACH1 32 GND
13 FAN_TACH4 33 LED_ACT_NIC1_N
14 FAN_TACH3 34 LED_LINK_NIC1_N
15 FAN_TACH6 35 LED_ACT_NIC2_N
16 FAN_TACH5 36 LED_LINK_NIC2_N
17 FAN_TACH8 37 LED_ACT_NIC3_N
18 FAN_TACH7 38 LED_LINK_NIC3_N
19 FAN_PWM1 39 LED_ACT_NIC4_N
20 FAN_PWM2 40 LED_LINK_NIC4_N
Table 69. FPFB Fan Power Signal Description and Pinouts
Pin Signal Description
1
P12V
2
P12V
3 GND
4 GND
Table 70. FPFB-to-HSBP (Hot-swap Backplane) Control Signal Description and Pinouts
Pin Signal Description