Connect Dc Power To An Ex4100 Switch - Juniper EX4100 Hardware Manual

Figure 89: Connecting an AC Power Cord to the AC Power Cord Inlet on EX4100-F-24P, EX4100-
F-24T, EX4100-F-48P, and EX4100-F-48T switches

Connect DC Power to an EX4100 Switch

Before you begin connecting DC power to the switch, ensure that you have connected earth ground to
the switch chassis.
CAUTION: To meet safety and electromagnetic interference (EMI) requirements and to
ensure proper operation, you must connect the switch to earth ground before you
connect them to power. For installations that require a separate grounding conductor to
the chassis, use the protective earthing terminal on the switch chassis to connect to the
earth ground. For instructions on connecting earth ground, see
to an EX4100 and EX4100-F Switch" on page
NOTE: You must grounding DC systems. We recommend grounding for AC systems.
Ensure that you have taken the necessary precautions to prevent electrostatic discharge (ESD) damage
Prevention of Electrostatic Discharge Damage
(see
Before you connect power, install the power supply in the chassis. For instructions on installing a DC
power supply in an EX4100 switch, see
Ensure that you have the following parts and tools available:
• DC power source cables (14–16 AWG) (not provided)
• Wire pins (Molex 192120005) (not provided)
• Terminal connector (provided)
137.
).
"Install a DC Power Supply in an EX4100 Switch" on page
"Connect Earth Ground
187.
142