Power Supplies - Juniper PTX10008 Hardware Manual

Figure 8: Fan Tray JNP10008-FAN
Figure 9: Fan Tray Controller JNP10008-FAN-CTRL

Power Supplies

Power supplies for the PTX10008 router are fully redundant, load-sharing, and hot-removable and
hot-insertable FRUs. Each PTX10008 router with a base configuration has three power supplies; redundant
configurations hold a maximum of six AC, high-voltage alternating current (HVAC), DC, or high-voltage
direct current (HVDC) power supplies. Each power supply has an internal fan for cooling. See
Figure 10 on page 33 through
CAUTION:
DC and HVDC can coexist in the same chassis during the hot swap of DC for HVDC.
Figure 13 on page 34
Do not mix power supply models in the same chassis in a running environment.
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