Cisco Firepower 4100 Series Hardware Installation Manual page 72

Connect the DC Power Supply Module
Figure 51: Remove the Plastic Cover
Step 5
To prevent any contact with metal lead on the ground wire and the plastic cover, you must wrap the positive and negative
lead cables with sleeving. Insulate the lug with shrink sleeving for each lead wire if using noninsulated crimp terminals.
Sleeving is not required for insulated terminals.
Step 6
Remove the two M5 screws.
Figure 52: Remove the M5 Screws
Step 7 For easier cable management, insert the negative lead cable first. Replace the grounding lug with the cable in the
following order—wire terminal, then the screw with the captive washer.
Cisco Firepower 4110, 4120, 4140, and 4150 Hardware Installation Guide
68
Maintenance and Upgrade