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CAUTION: Using a grounding cable with an incorrectly attached lug can
damage the switch.
Follow the procedure that applies to your switch:
•
Connecting Earth Ground to an EX2200 or EX3200 Switch on page 68
•
Connecting Earth Ground to an EX4200 Switch on page 69
•
Connecting Earth Ground to an EX4500 Switch on page 70
•
Connecting Earth Ground to an EX8208 Switch on page 71
•
Connecting Earth Ground to an EX8216 Switch on page 72
Connecting Earth Ground to an EX2200 or EX3200 Switch
Theprotectiveearthingterminalislocatedonthe rearofthechassisinanEX2200switch
and in an EX3200 switch.
An AC-powered EX Series switch chassis gets additional grounding when you plug the
power supply in the switch into a grounded AC power outlet by using an AC power cord
appropriate for your geographical location. For EX2200 switches, see “AC Power Cord
Specifications for EX2200 Switches” on page 47. For EX3200 switches, see AC Power
Cord Specifications for EX3200 Switches.
Ensure that you have the following parts and tools available:
•
Grounding cable for your switch—The grounding cable must be minimum 14 AWG
(2 mm²), minimum 90°C wire, or as permitted by the local code.
•
Grounding lug for your grounding cable—The grounding lug required is a Panduit
LCD6-14BH-L or equivalent.
•
Washersand10-32x.25-in.screwstosecurethegroundinglugtotheprotectiveearthing
terminal
NOTE: SomeearlymodelsofEX3200switchesrequire10-24x.25-in.screws
rather than 10-32x.25-in. screws. If the Juniper Networks productnumber
on the label nextto the protective earthing terminal is from 750-021xxx
through 750-030xxx, the switch requires 10-24x.25-in. screws.
•
Phillips (+) screwdriver, number 2
To connect earth ground to an EX2200 or EX3200 switch:
1. Connect one end of the grounding cable to a proper earth ground, such as the rack in
which the switch is mounted.
2. Place the grounding lug attached to the grounding cable over the protective earthing
terminal. See Figure 25 on page 67.
Copyright ©2010,Juniper Networks,Inc.68
CompleteHardwareGuide forEX2200 EthernetSwitches