Ground the Chassis
Take note of the following warnings:
Statement 1024—
Ground Conductor
This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the absence
of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician
if you are uncertain that suitable grounding is available.
Warning
Statement 1046—
Installing or Replacing the Unit
When installing or replacing the unit, the ground connection must always be made first and disconnected last.
Warning
Statement 1025—
Use Copper Conductors Only
Use copper conductors only.
Warning
Grounding the chassis is required, even if the rack is already grounded. A grounding pad with 2 threaded M4
holes is provided on the chassis for attaching a grounding lug. The ground lug must be NRTL-listed. In
addition, a copper conductor (wires) must be used and the copper conductor must comply with NEC code for
ampacity.
Caution
Before you begin
• You need the following items that you provide:
• Wire-striping tool
• Crimping tool
• Grounding cable
• Two star lock washers for the 10-32 x .375-in. screws used to secure the ground lug
• You need the following items from the accessory kit:
• Ground lug #6 AWG, 90 degree, #10 post
• Two 10-32 x .375-in. screws used to secure the ground lug
Step 1
Use a wire-stripping tool to remove approximately 0.75 in. (19 mm) of the covering from the end of the grounding cable.
Step 2
Insert the stripped end of the grounding cable into the open end of the grounding lug.
Cisco Firepower 9300 Hardware Installation Guide
50
Mount and Connect
Ground the Chassis
