Juniper EX4300 Series

CAUTION: Register product serial numbers on the Juniper Networks website. Update
the installaon base data if any addion or change to the installaon base occurs or if
the installaon base is moved. Juniper Networks is not responsible for not meeng the
hardware replacement service-level agreement for products that do not have registered
serial numbers or accurate installaon base data.
Register your product(s) at hps://tools.juniper.net/svcreg/SRegSerialNum.jsp.
Update your installaon base at hps://www.juniper.net/customers/csc/management/
updateinstallbase.jsp.
Installing and Connecng an EX4300 Switch
To install and connect an EX4300 switch:
1. Follow instrucons in "Unpacking an EX4300 Switch" on page 166.
2. Install a power supply if it is not preinstalled:
• "Installing an AC Power Supply in an EX4300 Switch" on page 298
• "Installing a DC Power Supply in an EX4300 Switch" on page 301
3. Install a fan module if it is not preinstalled; see "Installing a Fan Module in an EX4300 Switch" on
page 293.
4. Mount the switch by following instrucons appropriate for your site:
• "Mounng an EX4300 Switch on Two Posts of a Rack or Cabinet" on page 172 (by using the
mounng brackets provided)
• "Mounng an EX4300 Switch in a Recessed Posion in a Rack or Cabinet" on page 179 (by using
the 2-in.-recess front brackets from the separately orderable four-post rack-mount kit)
• "Mounng an EX4300 Switch on Four Posts of a Rack or Cabinet" on page 176 (by using the
separately orderable four-post rack-mount kit)
• "Mounng an EX4300 Switch on a Wall" on page 180 (by using the separately orderable wall-
mount kit)
5. Follow instrucons in Connect Earth Ground to an EX Series Switch .
6. Follow instrucons for connecng power as appropriate for your site:
• "Connecng AC Power to an EX4300 Switch" on page 196
• "Connecng DC Power to an EX4300 Switch" on page 199
7. Register your product by following instrucons in Register Products—Mandatory for Validang SLAs .
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