Juniper QFX5240 - QFX5240 Field-Replaceable Units; QFX5240 Chassis Physical Specifications

Table 3: Cooling System Specicaons
Fan Module Descripon Airow
QFX5240-2U-FANAO AIR OUT, port-to-FRU airow Front-to-back
QFX5240 Field-Replaceable Units
Field-replaceable units (FRUs) are switch components that you can replace at your site. The QFX5240
switches uses these types of FRUs:
• Hot-insertable and hot-removable—You can remove and replace these components without powering
o the switch or disrupng the switching funcon.
• Hot-pluggable—You can remove and replace these components without powering o the switch, but
the switching funcon is interrupted unl you replace the component.
The power supplies and fan modules in the QFX5240 are hot-insertable and hot-removable FRUs, which
means you can replace them out without turning the switch o or interfering with its funconality. See
Table 4 on page 16.
Table 4: QFX5240 Field-Replaceable Units
FRUs Descripon
QFX5240-2U-FANAO Fan module, with ports-to-FRUs airow (front-to-back or AFO)
QFX5240-PWR-AC-AO AC power supply, 3000 W, ports-to-FRUs airow (front-to-back or
AFO)
QFX5240-2U-4PRMK Four-post tool-less rack mount kit (RMK)
QFX5240 Chassis Physical Specicaons
The QFX5240 chassis is a rigid sheet-metal structure that houses the hardware components (see
"QFX5240 Chassis Physical Specicaons" on page 16).
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