Installation ManualH3C S9500 Series Routing Switches Chapter 1 Product Overview1-10Note:The external PoE power system for the S9500 series only support RS485 monitoringports.Table 1-5 LEDs of external PoE power systemLED Label Color NormalstateAbnormalstate Abnormal reasonInput powerLED AC Green ON OFF Loss of AC inputpower, or blown fuseOutputpower LED DC Green ON OFF No DC output fromPSUFault LED Fault Red OFF ON Irreversible faultoccurred in PSURunningstatus LED RUN Green ON OFF PSU shutdown orPSU running troubleAlarm LED ALM Red OFF ONLoss of AC inputpower, under-voltageor over-voltage input,over-voltage output,output short-circuit,or PSU fault1.2.5 Fan Trayz The S9505 uses one 25 W fan tray, which contains four 120 × 120 × 25.4 mm (4.7× 4.7 × 1.0 in.) DC fan units.z The S9508 uses one 35 W fan tray, which contains six 120 × 120 × 25.4 mm (4.7 ×4.7 × 1.0 in.) DC fan units.z The S9508V uses one 70 W fan tray, which contains six 120 × 120 × 38 mm (4.7 ×4.7 × 1.5 in.) DC fan units.z The S9512 uses two 25 W fan trays, each of which contains four 120 × 120 × 25.4mm (4.7 × 4.7 × 1.0 in.) DC fan units.The fans of the S9505/S9508/S9508V/S9512 operate at –48 VDC supplied from thebackplane.
