Juniper EX4300 Series Hardware Manual page 204

Table 71: Special Instructions to Follow Before Connecting Earth Ground to an EX Series Switch
Switch Special Instructions
EX2300-C You must install the EX2300-C in a restricted-access location and ensure that the chassis is
always properly grounded. The EX2300-C has a two-hole protective grounding terminal
provided on the chassis. 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.
EX3200 and Some early variants of EX3200 and EX4200 switches for which the Juniper Networks
EX4200 model number on the label next to the protective earthing terminal is from 750-021
through 750-030
xxx require 10-24x.25 in. screws.
194
xxx