Table 4: EX4550 Switch Model Number, Shipped Components, and Supported Junos OS
Release (continued)
FirstJunos
OS
ReleasePower SupplyFan ModulesDirection of Airflow
Number and
Types of PortsModel Number
12.2R4One AC power
supply(with power
cord) with an AFI
label on its handle
Three fan
modules; each
with an AIR IN
(AFI) label
Back-to-front—air
intake to cool the
chassis is through the
vents on the rear panel
of the chassis, and hot
air exhauststhrough the
ventson the frontpanel
of the chassis.
32-port 10-Gigabit
BASE-T
EX4550-32T-AFI
12.2R4One AC power
supply(with power
cord) with an AFO
label on its handle
Three fan
modules; each
with an AIR OUT
(AFO) label
Front-to-back—air
intake to cool the
chassis is through the
ventson the frontpanel
of the chassis, and hot
air exhauststhrough the
vents on the rear panel
of the chassis.
32-port 10-Gigabit
BASE-T
EX4550-32T-AFO
12.2R4One DC power
supply with an AFI
label on its handle
Three fan
modules; each
with an AIR IN
(AFI) label
Back-to-front—air
intake to cool the
chassis is through the
vents on the rear panel
of the chassis, and hot
air exhauststhrough the
ventson the frontpanel
of the chassis.
32-port 10-Gigabit
BASE-T
EX4550-32T-DC-AFI
12.2R4One DC power
supplywithan AFO
label on its handle
Three fan
modules; each
with an AIR OUT
(AFO) label
Front-to-back—air
intake to cool the
chassis is through the
ventson the frontpanel
of the chassis, and hot
air exhauststhrough the
vents on the rear panel
of the chassis.
32-port 10-Gigabit
BASE-T
EX4550-32T-DC-AFO
NOTE: The optional modules, the Virtual Chassis cable, the Virtual Chassis
cable connectorretainers,and transceiversarenot part of theEX4550switch
shipping configuration. If you want to purchase any of these components,
power supplies, or fan modules for your switch, you must order them
separately.
Related
Documentation
Chassis Physical Specifications for EX4550 Switches on page 17•
• EX4550 Switches Hardware Overview on page 3
11Copyright © 2015, Juniper Networks, Inc.
Chapter 1: System Overview