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Catalyst 2940 Switch Hardware Installation Guide
OL-6157-01
Appendix A Technical Specifications
Table A-2 Fiber-Optic Port Specifications for Catalyst 2950-8TF-Switch
Fiber-Port Power Levels 100BASE-FX port
SFP module
slot
1
1. SFP-dependent
Optical transmitter wavelength 1300 nm
2
2. nm = nanometers
—
Optical receiver sensitivity for 50/125-micron cabling –33.5 to
–11.8 dBm
3
3. dBm = decibel milliwatt
—
Optical receiver sensitivity for 62.5/125-micron
cabling
–33.5 to
–11.8 dBm
—
Optical transmitter power for 50/125-micron cabling –23.5 to –14 dBm —
Optical transmitter power for 62.5/125-micron cabling –20 to –14 dBm —
Table A-3 Catalyst 2940 Switch Agency Approvals
Safety EMC
UL/CSA 60950 FCC Part 15 Class A
IEC 60950/EN 60950 EN 55022: 1998 (CISPR22) Class A
AS/NZS 60950 EN 55024: 1998 (CISPR24)
CE VCCI Class A
AS/NZS 3548 Class A
CE
CNS 13438 Class A
MIC
CLEI code
USA CFR47, FCC, Part 15, Class A
ICES-003, Class A
EN55022/CISPR22, Class A, 1998
Safety EMC
EN 55024: ITE Immunity Standard. (CE Mark), 1998
EN61000-4-2/IEC1000-4-2: Immunity to ESD
EN61000-4-3/IEC1000-4-3: Immunity to Radio
Frequency Electromagnetic Fields
EN61000-4-4/IEC1000-4-4: Immunity to Electrical
Fast Transients
EN61000-4-5/IEC1000-4-5: Immunity to Power Line
Transients (Surges)
EN61000-4-6/IEC1000-4-6: Immunity to Radio
Frequency Induced Conducted Disturbances