CHAPTER 12
Connecting the Switch to Power
•
Connecting Earth Ground to an EX Series Switch on page 155
•
Connecting AC Power to an EX3200 Switch on page 161
•
Connecting DC Power to an EX3200 Switch on page 163
Connecting Earth Ground to an EX Series Switch
To ensure proper operation and to meet safety and electromagnetic interference (EMI)
requirements, you must connect an EX Series switch to earth ground before you connect
power to the switch. You must use the protective earthing terminal on the switch chassis
to connect the switch to earth ground (see Figure 34 on page 160).
WARNING: The switch is installed in a restricted-access location. It has a
separateprotective earthing terminal on the chassisthat must bepermanently
connected to earth ground to adequately ground the chassis and protect the
operator from electrical hazards.
CAUTION: Before switch installation begins, ensure thata licensedelectrician
has attached an appropriate grounding lug to the grounding cable that you
supply. Using a grounding cable with an incorrectly attached lug can damage
the switch.
This topic describes:
•
Parts and Tools Required for Connecting an EX Series Switch to Earth
Ground on page 155
•
Special Instructions to Follow Before Connecting Earth Ground to a Switch on page 158
•
Connecting Earth Ground to an EX Series Switch on page 160
Parts and Tools Required for Connecting an EX Series Switch to Earth Ground
Table 56 on page 156 lists the earthing terminal location, grounding cable requirements,
grounding lug specifications, screws and washers required, and the screwdriver needed
155Copyright © 2016, Juniper Networks, Inc.
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