Connect Earth Ground To An Ex Series Switch - Juniper EX4300 Series Hardware Manual

Connect Earth Ground to an EX Series Switch

IN THIS SECTION
Parts and Tools Required for Connecting an EX Series Switch to Earth Ground | 186
Special Instructions to Follow Before Connecting Earth Ground to an EX Series Switch | 193
Connecting Earth Ground to an EX Series Switch | 195
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 66 on page 196).
You must install the EX Series switch in a restricted–access location and ensure that the chassis is
always properly grounded. EX Series switches have a two–hole protective grounding terminal provided
on the chassis. See Table 70 on page 187
switches. Under all circumstances, use this grounding connection 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 connection. This tested system meets or exceeds all applicable EMC regulatory
requirements with the two-hole protective grounding terminal.
Ensure that a licensed electrician has attached an appropriate grounding lug to the grounding cable you
supply. Using a grounding cable with an incorrectly attached lug can damage the switch.
Parts and Tools Required for Connecting an EX Series Switch to Earth Ground
Before you begin connecting an EX Series switch to earth ground, ensure you have the parts and tools
required for your switch.
Table 70 on page 187 lists the earthing terminal location, grounding cable and lug specifications, and
parts needed for connecting an EX Series switch to earth ground.
for the location of the earthing terminals on various EX Series
186