Cisco Catalyst 3550

A-3
Catalyst 3550 Multilayer Switch Hardware Installation Guide
78-11358-03
Appendix A Technical Specifications
Table A-3 Technical Specifications for the Catalyst 3550-24-DC
Environmental Ranges
Operating temperature 32 to 113°F (0 to 45°C)
Storage temperature –13 to 158°F (–25 to 70°C)
Relativehumidity 10 to 85% (noncondensing)
Operating altitude Up to 10,000 ft (3049 m)
Storage altitude Up to 15,000 ft (4573 m)
Power Requirements
Power consumption 55W, 190 Btus per hour
DC input voltage -36 to -72 VDC
Wire gauge for power
connection
18 AWG (6 AWG for protective earth)
Branch circuit protection 5A
Physical Dimensions
Weight 10.5 lb (4.8 )
Dimensions (H x D x W) 1.75 x 14.4 x 17.5 in. (4.45 x 36.58 x 44.45
cm)