Cisco Firepower 2100 Series Hardware Installation Manual page 59

Mount and Connect
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.
Caution
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.
Before you begin
• You need the following items that you provide:
• You need the following items from the accessory kit:
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.
• 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
• Ground lug #6 AWG, 90 degree, #10 post
• Two 10-32 x .375-in. screws used to secure the ground lug
Cisco Firepower 2100 Series Hardware Installation Guide
Ground the Chassis
55