Cisco WS-C3550-12G Switch Guide - Page 147

Power Supply Properties AC Power Supply Properties Cisco Nexus 5548P and 5548UP Cisco Nexus 5596UP RoHS compliance Yes Yes Hot swappable Yes Yes Heat dissipation 1998 BTU/hr (600W) 3010 BTU/hr (882W) Front to Back air flow Power Supply Yes Yes Back to Front air flow Power Supply Yes (Only on 5548UP, need fan tray as well) No (on roadmap) Environment Properties Property Cisco Nexus 5548P and 5548UP Cisco Nexus 5596UP Physical (height x width x depth) 1.72 x 17.3 x 29.5 in. (4.4 x 43.9 x 74.9 cm) 3.47 x 17.3 x 29.5 in. (8.8 x 43.9 x 74.9 cm) Operating temperature 32 to 104°F (0 to 40°C) 32 to 104°F (0 to 40°C) Non operating (storage) temperature -40 to 158°F (-40 to 70°C) -40 to 158°F (-40 to 70°C) Humidity 5 to 95% (non condensing) 5 to 95% (non condensing) Altitude 0 to 10,000 ft (0 to 3000m) 0 to 10,000 ft (0 to 3000m) 145