Juniper QFX5120 Series Hardware Manual page 27

Table 4: QFX5120 Switch Models and Shipped Components (continued)
Product
Numbers Ports
QFX5120-48Y-AFO2 48 SFP28
8 QSFP28
QFX5120-48Y-AFI2 48 SFP28
8 QSFP28
QFX5120-48Y-DC-AFO2 48 SFP28
8 QSFP28
QFX5120-48Y-DC-AFI2 48 SFP28
8 QSFP28
CAUTION:
not supported. Mixing different airflow modules in the same chassis is not supported.
Mixing different types (AC and DC) of power supplies in the same chassis is
Power Supply
AC
AC
DC
DC
Airflow
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.
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.
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.
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.
29