Replacing The Fan Unit; Installing The Isr 9024 S/D Power Supply Units - HP Cluster Platform Interconnects v2010 User Manual

3.4.1 Replacing the Fan Unit

In normal operation, the two fans work at 50% utilization. In case of fan failure or high temperature
detection, the fans go into Turbo mode. In case of fan failure, the fan drawer LED and the PS/FAN
LED on the rear panel blink. When removing the fan unit, the system can continue to function
up to five (5) minutes before a new fan unit is installed.
Figure 3-6 Replacing the Fan Unit
1
Use the following procedure to replace a fan unit:
1. Release the captive fasteners at each side of the fan (callout 1 in
Fan Unit") and gently remove it from its slot.
2. Position the rear of the new fan in the slot.
3. Holding the fan level, slide it into the slot until it meets resistance at the chassis connector.
It should slide smoothly and easily.
4. Push the module further until it is completely seated.
5. Use the captive fasteners at each side of the fan to secure it in place.

3.5 Installing the ISR 9024 S/D Power Supply Units

An ISR 9024 S/D contains two identical power supplies in the side bays of the unit chassis, as
shown in Figure
do this when the interconnect is running, however, it is recommended to turn the power OFF
before replacing the power supply.
Figure 3-7 Installing the ISR 9024 S/D Power Supply Units
1. Unscrew the captive fasteners at each side of front panel power supplies.
46 Installing and Maintaining the ISR 9024 S/D Interconnect (RoHS Compliant)
3-7. Use the following procedure to install or remove a power supply. You can
Figure 3-6 shows the fan unit.
Figure 3-6 "Replacing the