Part 1: Install A Power Supply - Juniper EX4650 Quick Start Manual

To perform initial configuration of the switch, you need:
An Ethernet cable with an RJ-45 connector attached—provided
An RJ-45 to DB-9 serial port adapter—provided
A management host, such as a PC, with an Ethernet port—not provided
Register product serial numbers on the Juniper Networks website and update the installation base data if there is any
addition or change to the installation base or if the installation base is moved. Juniper Networks will not be held accountable
for not meeting the hardware replacement service-level agreement for products that do not have registered serial numbers
or accurate installation base data.
Register your product at https://tools.juniper.net/svcreg/SRegSerialNum.jsp.
Update your install base at https://www.juniper.net/customers/csc/management/updateinstallbase.jsp.
The fan modules and the power supplies in the EX4650 switches are hot-removable and hot-insertable field-replaceable
units (FRUs) installed in the rear panel of the switch. You can remove and replace them without powering off the switch
or disrupting switch functions.
CAUTION:
AC and DC power supplies in the same chassis.
Power supplies with different airflow directions in the same chassis.
Power supplies and fan modules with different airflow airflow directions in the same chassis.
WARNING:
an ESD wrist strap around your bare wrist, and connect the other end of the strap to the ESD point
on the switch.
NOTE: Power supplies and fan modules must have the same airflow direction. The airflow direction on the
power supplies must match the respective airflow direction on the fan modules.

Part 1: Install a Power Supply

NOTE: Each power supply must be connected to a dedicated power source outlet. The power supply slots are
on the rear panel.
Ensure that you understand how to prevent ESD damage. Wrap and fasten one end of
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