Table 4: QFX5120 Switch Models and Shipped Components (continued)
AirflowPower SupplyPorts
Product
Numbers
Front-to-back—air intake
to cool the chassis is
through the vents on the
front panel of the chassis,
and hot air exhausts
through the vents on the
rear panel of the chassis.
AC48 SFP28
8 QSFP28
QFX5120-48Y-AFO2
Back-to-front—air intake
to cool the chassis is
through the vents on the
rear panel of the chassis,
and hot air exhausts
through the vents on the
front panel of the chassis.
AC48 SFP28
8 QSFP28
QFX5120-48Y-AFI2
Front-to-back—air intake
to cool the chassis is
through the vents on the
front panel of the chassis,
and hot air exhausts
through the vents on the
rear panel of the chassis.
DC48 SFP28
8 QSFP28
QFX5120-48Y-DC-AFO2
Back-to-front—air intake
to cool the chassis is
through the vents on the
rear panel of the chassis,
and hot air exhausts
through the vents on the
front panel of the chassis.
DC48 SFP28
8 QSFP28
QFX5120-48Y-DC-AFI2
CAUTION: Mixing different types (AC and DC) of power supplies in the same chassis is
not supported. Mixing different airflow modules in the same chassis is not supported.
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