Appendix A Technical Specifications
A-4
Catalyst 2950 Desktop Switch Hardware Installation Guide
78-11157-03
Table A-4 Fiber-Port Specifications for Catalyst 2950C-24 and
Catalyst 2950SX-24 Switches
Fiber-Port Power Levels Catalyst 2950C-24 Catalyst 2950SX-24
Optical transmitter
wavelength
1300 nm
1
850 nm
Optical receiver
sensitivity
–34.5 to 31.8 dBm
2
–13.5 dBm
Optical transmitter power
for 50/125-micron
cabling
–23.5 to –14 dBm –9.5 to –4 dBm
Optical transmitter power
for 62.5/125-micron
cabling
–20 to –14 dBm –9.5 to –4 dBm
1. nm = nanometers
2. dBm = decibel milliwatt
Table A-5 Catalyst 2950 Switch Agency Approvals
Safety EMC
UL 60950/CSA 22.2 No.
950
FCC Part 15 Class A
IEC 60950/EN 60950 EN 55022: 1998 (CISPR22) Class A
AS/NZS 3260, TS001 EN 55024: 1998 (CISPR24)
CE VCCI Class A
AS/NZS 3548 Class A
CE
CNS 13438 Class A
MIC
CLEI code
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