Cisco WS-C2950T-48-SI Hardware Installation Manual page 95

Appendix A Technical Specifications
Table A-6
Fiber-Port Power Levels
Optical transmitter
wavelength
Optical receiver sensitivity
for 50/125-micron cabling
Optical receiver sensitivity
for 62.5/125-micron
cabling
Optical transmitter power
for 50/125-micron cabling
Optical transmitter power
for 62.5/125-micron
cabling
1. nm = nanometers
2. SFP = small form-factor pluggable
3. dBm = decibel milliwatt
Table A-7
Safety
UL/CSA 60950
IEC 60950/EN 60950
AS/NZS 3260, TS001
CE
Table A-8
Safety
UL/CSA 60950, 3rd edition
IEC 60950 with Amendments A1 through
A4 and A11
AS/NZS 3260 with Amendments A1
through A4
OL-6156-01
Fiber-Optic Port Specifications for Catalyst 2950C-24, Catalyst 2950SX-24, and
Catalyst 2950 LRE Switches
Catalyst 2950C-24
1300 nm
–33.5 to
–11.8 dBm
–33.5 to
–11.8 dBm
–23.5 to –14 dBm
–20 to –14 dBm
Catalyst 2950 Switch Agency Approvals
EMC
FCC Part 15 Class A
EN 55022: 1998 (CISPR22) Class A
EN 55024: 1998 (CISPR24)
VCCI Class A
AS/NZS 3548 Class A
CE
CNS 13438 Class A
MIC
Catalyst 2950ST-8 LRE and 2950ST-24 LRE Switch Agency Approvals
Catalyst 2950SX-24
1
850 nm
–13.5 dBm
3
–12.5 dBm
–9.5 to –4 dBm
–9.5 to –4 dBm
EMC
USA CFR47, FCC, Part 15, Class A
ICES-003, Class A
EN55022/CISPR22, Class A, 1998
Catalyst 2950 Switch Hardware Installation Guide
Catalyst 2950ST-8 LRE,
2950ST-24 LRE, and
2950ST-24 LRE 997
The transmitter
wavelengths, receiver
sensitivities, and
transmitter power levels
2
are SFP -module
dependent. For this
information, see the
technical specifications
that came with your
SFP module.
A-5