Juniper EX4650 Series, Hardware Manual, Page: 26 / 195

Check the value of the FRU Model Number field in the Routing Engine section in the output of the show
chassis hardware extensive CLI command.
user@switch> show chassis hardware extensive
....
Routing Engine 1 REV D 650-044930 PD3113060024 EX4650-48Y
Jedec Code: 0x7fb0 EEPROM Version: 0x02
P/N: 650-044930 S/N: PD3113060024
Assembly ID: 0x0b5e Assembly Version: 03.19
Date: 02-19-2013 Assembly Flags: 0x00
Version: REV D CLEI Code:
ID: EX4650-48Y FRU Model Number: EX4650-48Y-AFO
....
The model number of your switch is one of the following:
•
EX4650-48Y-AFO
•
EX4650-48Y-AFI
•
EX4650-48Y-DC-AFO
•
EX4650-48Y-DC-AFI
In the sample output, the switch model is EX4650-48Y-AFO.
Meaning
In EX4650 switch model numbers:
•
The 48Y in the model number indicates that the number of network ports on the switch:
•
AFI indicates that the switch is shipped with two fan modules and a power supply, each bearing an AIR
IN (AFI) label. Switches that do not have AFI in their model numbers ship with two fan modules and a
power supply, each bearing an AIR OUT (AFO) label.
The labels on the fan modules and the power supplies indicate the direction of airflow they provide
within the chassis when installed in the switch. AIR IN (AFI) labels indicate back-to-front airflow, and
AIR OUT (AFO) labels indicate front-to-back airflow.
•
The DC in the model number indicates that the switch model works on DC power supply. Switches that
do not have DC in their model numbers work on AC power supply.
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