CAUTION: Register product serial numbers on the Juniper Networks website. Update
the installaon base data if any addion or change to the installaon base occurs or if
the installaon base is moved. Juniper Networks is not responsible for not meeng the
hardware replacement service-level agreement for products that do not have registered
serial numbers or accurate installaon base data.
Register your product(s) at hps://tools.juniper.net/svcreg/SRegSerialNum.jsp.
Update your installaon base at hps://www.juniper.net/customers/csc/management/
updateinstallbase.jsp.
Installing and Connecng an EX4300 Switch
To install and connect an EX4300 switch:
1. Follow instrucons 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 instrucons appropriate for your site:
• "Mounng an EX4300 Switch on Two Posts of a Rack or Cabinet" on page 172 (by using the
mounng brackets provided)
• "Mounng an EX4300 Switch in a Recessed Posion 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)
• "Mounng an EX4300 Switch on Four Posts of a Rack or Cabinet" on page 176 (by using the
separately orderable four-post rack-mount kit)
• "Mounng an EX4300 Switch on a Wall" on page 180 (by using the separately orderable wall-
mount kit)
5. Follow instrucons in
Connect Earth Ground to an EX Series Switch
.
6. Follow instrucons for connecng power as appropriate for your site:
• "Connecng AC Power to an EX4300 Switch" on page 196
• "Connecng DC Power to an EX4300 Switch" on page 199
7. Register your product by following instrucons in
Register Products—Mandatory for Validang SLAs
.
170