Step 1: Unpack The Qfx5120 Switch - Juniper QFX5120 Series Quick Start Manual

Flat head 4-40 Phillips screws for attaching the recessed mounting brackets to the side rails—6 (provided with the rack
mount kit)
Rear mounting brackets—2 (provided with the rack mount kit)
To connect the QFX5120-32C switch to earth ground, you need:
A grounding cable (minimum 12 AWG (1.5 mm²), minimum 90° wire, or as permitted by the local code), a grounding lug
(4.3-mm circular lug), and one 8-mm screw—not provided
To connect the QFX5120-48Y or QFX5120-48T switch to earth ground, you need:
A grounding cable (minimum 14 AWG (2.5 mm²), minimum 90° C wire, or as permitted by the local code), a grounding
lug (Panduit LCD10-10A-L or equivalent), and a pair of 10-32 x .25 in. screws with #10 split-lock washers—not provided
To connect power to the switch, you need:
For all the AC-powered model variants (QFX5120-32C-AFO, QFX5120-32C-AFI, QFX5120-48Y-AFO2,
QFX5120-48Y-AFI2, QFX5120-48T-AFO, and QFX5120-48T-AFI)—An AC power cord with a plug appropriate for your
geographical location, and a power cord retainer—provided.
For the DC-powered model variants QFX5120-32C-DC-AFO and QFX5120-32C-DC-AFO—12 AWG DC power cable
with a plug—provided
For the DC-powered model variants QFX5120-48Y-DC-AFO2, QFX5120-48Y-DC-AFI2, QFX5120-48T-DC-AFO,
and QFX5120-48T-DC-AFI—14–16 AWG DC power source cables with Molex 190700069 or equivalent ring lugs
attached—not provided
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 installation base at https://www.juniper.net/customers/csc/management/updateinstallbase.jsp.

Step 1: Unpack the QFX5120 Switch

We ship QFX5120 switches in a cardboard carton, secured with foam packing material.
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