Cisco Firepower 4100 Series Hardware Installation Manual page 40

Hardware Specifications
NEBS operation
(Firepower 4120 only)
Cisco Firepower 4100 Series Hardware Installation Guide
36
Operating temperature:
• Long term: 0⁰ to 45⁰C up to 6000 ft (1829 m)
• Long term: 0⁰ to 35⁰C up to 6000-13,000 ft (1829-3964 m)
• Short term: -5⁰ to 55⁰C up to 6000 ft (1829 m)
Operating altitude: 0 to 13,000 ft (3962 m)
Overview