Juniper QFX5120-48Y-AFO2 Hardware Guide

Table 3: Components in QFX5120 Switches (continued)
Power Supply Shipped by
Default
Fan Modules Shipped by
DefaultBuilt-in PortsSwitch Models
Two 650 W AC power
supplies (1+1 redundancy).
Six fan modules; each with
an AIR IN (AFI) label.
32x100G QSFP28 ports
and 2x10G SFP+ ports
QFX5120-32C-AFI
Two 650 W AC power
supplies (1+1 redundancy).
Five fan modules; each with
an AIR OUT (AFO) label.
48x25G SFP28 ports and
8x100G QSFP28 ports
QFX5120-48Y-AFO2
Two 650 W AC power
supplies (1+1 redundancy).
Five fan modules; each with
an AIR IN (AFI) label.
48x25G SFP28 ports and
8x100G QSFP28 ports
QFX5120-48Y-AFI2
Two 650 W DC power
supplies (1+1 redundancy).
Five fan modules; each with
an AIR OUT (AFO) label.
48x25G SFP28 ports and
8x100G QSFP28 ports
QFX5120-48Y-DC-AFO2
Two 650 W DC power
supplies (1+1 redundancy).
Five fan modules; each with
an AIR IN (AFI) label.
48x25G SFP28 ports and
8x100G QSFP28 ports
QFX5120-48Y-DC-AFI2
System Software
Juniper Networks QFX Series Ethernet Switches run Junos OS™ operating system (Junos OS), which
provides Layer 2 and Layer 3 switching, routing, and security services.
QFX5120 Power System
QFX5120-48Y switches support two AC or DC power supplies with different airflow directions. Power
supplies for the QFX5120 switch are fully redundant, load-sharing, and hot-removable and hot-insertable
FRUs. The QFX5120 switch models are shipped with two power supplies pre-installed in the rear panel
of the chassis.
CAUTION: Do not mix:
•
AC and DC power supplies in the same chassis.
•
Power supplies with different airflow labels (AIR IN (AFI) and AIR OUT (AFO)) in the
same chassis.
•
Power supplies and fan modules with different airflow labels (AIR IN (AFI) and AIR
OUT (AFO)) in the same chassis.
27

Juniper QFX5120-48Y-AFO2 Specifications

General

Brand	Juniper
Model	QFX5120-48Y-AFO2
Category	Switch
Language	English