Juniper EX9214

Connecng the EX9214 to Power
IN THIS SECTION
Connect Earth Ground to an EX Series Switch | 164
Connecng AC Power to an EX9214 Switch | 174
Powering On an AC-Powered EX9200 Switch | 177
Connecng DC Power to an EX9214 Switch | 179
Powering On a DC-Powered EX9200 Switch | 184
Connect Earth Ground to an EX Series Switch
IN THIS SECTION
Parts and Tools Required for Connecng an EX Series Switch to Earth Ground | 165
Special Instrucons to Follow Before Connecng Earth Ground to an EX Series Switch | 171
Connecng Earth Ground to an EX Series Switch | 173
To ensure proper operaon and to meet safety and electromagnec interference (EMI) requirements,
you must connect an EX Series switch to earth ground before you connect power to the switch. You
must use the protecve earthing terminal on the switch chassis to connect the switch to earth ground
(see Figure 52 on page 174).
You must install the EX Series switch in a restricted–access locaon and ensure that the chassis is
always properly grounded. EX Series switches have a two–hole protecve grounding terminal provided
on the chassis. See Table 58 on page 165 for the locaon of the earthing terminals on various EX Series
switches. Under all circumstances, use this grounding connecon to ground the chassis. For AC-
powered systems, you must also use the grounding wire in the AC power cord along with the two-hole
grounding lug connecon. This tested system meets or exceeds all applicable EMC regulatory
requirements with the two-hole protecve grounding terminal.
Ensure that a licensed electrician has aached an appropriate grounding lug to the grounding cable you
supply. Using a grounding cable with an incorrectly aached lug can damage the switch.
164