Environmental conditions and power requirements, Environmental ranges, Power requirements – Cisco 2950 User Manual
Page 7: Fiber-port specifications (catalyst 2950c-24), Mean time between failure (mtbf)predictions, Regulatory agency approvals, Safety certifications, Electromagnetic emissions certifications, Warranty
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Environmental Conditions and Power Requirements
Environmental Ranges
• Operating temperature: 23 to 113 F (-5º C to 45 C)
• Storage temperature: -13 to 158 F (-25 to 70 C)
• Operating relative humidity: 10 to 95% (non-condensing)
• Operating altitude: Up to 10,000 ft (3,000 m)
• Storage Altitude: Up to 15,000 ft (4,500 m)
Power Requirements
• Power consumption: 30W (maximum), 102 BTUs
per hour
• AC input voltage/frequency: 100 to 127 or 200 to 240 VAC
(auto-ranging), 50 to 60 Hz
• DC Input Voltages: +12V @ 4.5A
Fiber-port Specifications (Catalyst 2950C-24)
• Optical Transmitter Wavelength: 1300 nm (nanometers)
• Optical receiver sensibility: –14dBm (decibel milliwatt)
• Optical transmitter power: –19dBm to –14 dBm
• Transmit: –19 dBm to –14dBm
Mean Time Between Failure (MTBF) Predictions
Regulatory Agency Approvals
Safety Certifications
• UL/CSA G0950 Third Edition
• CSA 22.2 No. 950
• EN 60950
• IEC 950
• AS/NZS 3260, TS001
• CE Marking
Electromagnetic Emissions Certifications
• FCC Part 15 Class A
• EN 55022 Class A (CISPR 22 Class A)
• VCCI Class A
• AS/NZS 3548 Class A
• CE Marking
• CLEI Code
• BSMI Class A
Warranty
• Lifetime limited warranty
Part Number
MTBF Predictions (Hours)
WS-C2950T-24
297,144
WS-C2950-24
268,292
WS-C2950C-24
268,292
WS-C2950-12
318,440