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

Cisco Systems, Inc.

Page 7 of 9

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