Cisco Catalyst 9407R

Figure 5: C9400-PWR-3200DC Installation Example: Separate DC Sources
Cable for positive circuit4C9400-PWR-3200DC1
Dual-pole circuit breaker5Safety ground connection2
--Cable for negative circuit3
Figure 6: C9400-PWR-3200DC Installation Example - Single DC Source
Cable for positive circuit*4C9400-PWR-3200DC1
Dual-pole circuit breaker5Safety ground connection2
--Cable for negative circuit*3
Cisco Catalyst 9400 Series Switches Hardware Installation Guide
40
Preparing for Installation
Power Connection Guidelines for DC-Powered Systems