Cisco 2950 Hardware Installation Guide - Page 95

Fiber-Port Power Levels, Catalyst 2950C-24, 2950ST-24 LRE, and, Safety

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Appendix A Technical Specifications Table A-6 Fiber-Optic Port Specifications for Catalyst 2950C-24, Catalyst 2950SX-24, and Catalyst 2950 LRE Switches Fiber-Port Power Levels Catalyst 2950C-24 Optical transmitter wavelength 1300 nm1 Optical receiver sensitivity -33.5 to for 50/125-micron cabling -11.8 dBm3 Optical receiver sensitivity -33.5 to for 62.5/125-micron -11.8 dBm cabling Optical transmitter power -23.5 to -14 dBm for 50/125-micron cabling Catalyst 2950SX-24 850 nm -13.5 dBm -12.5 dBm -9.5 to -4 dBm Catalyst 2950ST-8 LRE, 2950ST-24 LRE, and 2950ST-24 LRE 997 The transmitter wavelengths, receiver sensitivities, and transmitter power levels are SFP2-module dependent. For this information, see the technical specifications that came with your SFP module. Optical transmitter power -20 to -14 dBm for 62.5/125-micron cabling -9.5 to -4 dBm 1. nm = nanometers 2. SFP = small form-factor pluggable 3. dBm = decibel milliwatt Table A-7 Catalyst 2950 Switch Agency Approvals Safety UL/CSA 60950 IEC 60950/EN 60950 AS/NZS 3260, TS001 CE 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 Table A-8 Catalyst 2950ST-8 LRE and 2950ST-24 LRE Switch Agency Approvals Safety EMC UL/CSA 60950, 3rd edition USA CFR47, FCC, Part 15, Class A IEC 60950 with Amendments A1 through ICES-003, Class A A4 and A11 AS/NZS 3260 with Amendments A1 through A4 EN55022/CISPR22, Class A, 1998 OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide A-5

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