Dell PowerConnect J-EX4200, Hardware Manual

Page: 132 / 238

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 a J-EX4200 Switch on page 116
Connecting Earth Ground to a J-EX4200 Switch
The protective earthing terminal is located on the left side of the chassis in a J-EX4200
switch.
An AC-powered J-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. See “AC Power Cord Specifications for
J-EX4200 Switches” on page 71.
Ensure that you have the following parts and tools available:
•
Grounding cable for your J-EX4200 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.
•
Washers and 10-32x.25-in. screws to secure the grounding lug to the protective earthing
terminal.
• Phillips (+) screwdriver, number 2.
To connect earth ground to a J-EX4200 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 44 on page 115.
If you mounted a J-EX4200 switch on four posts of a rack using the four-post
rack-mount kit, the protective earthing terminal on the switch is accessible through
the slot on the left rear bracket. See Figure 45 on page 117.
NOTE: The protective earthing terminal on a J-EX4200 switch mounted
on four posts is available only if the rack is 27.5 in. deep through 30.5 in.
deep for a switch mounted flush with the rack front and 29.5 in. deep
through 32.5 in. deep for a switch mounted 2 in. recessed from the rack
front.
116
Dell PowerConnect J-Series J-EX4200 Ethernet Switch Hardware Guide