Table Of Contents
Technical Specifications
Technical Specifications
Table A-1 through Table A-3 list the technical specifications for the Catalyst 2940 switches.
Table A-1 Technical Specifications for Catalyst 2940 Switches
Environmental Ranges
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Operating temperature
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32 to 113° F (0 to 45° C)
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Storage temperature
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-13 to 158° F (-25 to 70° C)
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Operating humidity
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10 to 85% (noncondensing)
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Operating altitude
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Up to 10,000 ft (3000 m)
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Storage altitude
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Up to 15,000 ft (4570 m)
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Power Requirements
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AC input voltage
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100 to 240 VAC, 50 to 60 Hz
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Power consumption
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15 W (maximum)
50 Btus per hour
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Physical Dimensions
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Weight
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3 lb (1.36 kg)
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Dimensions
(H x W x D)
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1.55 x 10.6 x 6.42 in.
(3.94 x 26.92 x 16.3 cm)
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Table A-2 Fiber-Optic Port Specifications for Catalyst 2940-8TF-Switch
Fiber-Port Power Levels
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100BASE-FX port
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Optical transmitter wavelength
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1300 nm2
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—
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Optical receiver sensitivity for 50/125-micron cabling
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-33.5 to -11.8 dBm3
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—
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Optical receiver sensitivity for 62.5/125-micron cabling
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-33.5 to -11.8 dBm
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—
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Optical transmitter power for 50/125-micron cabling
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-23.5 to -14 dBm
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—
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Optical transmitter power for 62.5/125-micron cabling
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-20 to -14 dBm
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—
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Table A-3 Catalyst 2940 Switch Agency Approvals
Safety
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EMC
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UL/CSA 60950
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FCC Part 15 Class A
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IEC 60950/EN 60950
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EN 55022: 1998 (CISPR22) Class A
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AS/NZS 60950
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EN 55024: 1998 (CISPR24)
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CE
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VCCI Class A
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AS/NZS 3548 Class A
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CE
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CNS 13438 Class A
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MIC
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CLEI code
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USA CFR47, FCC, Part 15, Class A
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ICES-003, Class A
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EN55022/CISPR22, Class A, 1998
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Safety
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EMC
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EN 55024: ITE Immunity Standard. (CE Mark), 1998
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EN61000-4-2/IEC1000-4-2: Immunity to ESD
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EN61000-4-3/IEC1000-4-3: Immunity to Radio Frequency Electromagnetic Fields
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EN61000-4-4/IEC1000-4-4: Immunity to Electrical Fast Transients
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EN61000-4-5/IEC1000-4-5: Immunity to Power Line Transients (Surges)
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EN61000-4-6/IEC1000-4-6: Immunity to Radio Frequency Induced Conducted Disturbances
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EN61000-4-11/IEC1000-4-11: Immunity to Voltage Dips, Voltage Variations, and Short Voltage Interruptions
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AS/NZS 3548, Class A
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BSMI, Class A
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VCCI, Class A
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MIC Mark
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