Cisco Catalyst 3550

Appendix A Technical Specifications
A-4
Catalyst 3550 Multilayer Switch Hardware Installation Guide
78-11358-03
Table A-4 Fiber-Port Specifications for Catalyst 3550-24-FX Switches
Fiber-Port Power Levels
Optical transmitter wavelength 1300 nm
1
1. nm = nanometers
Optical receiver sensitivity –14 dBm
2
2. dBm = decibel milliwatt
Optical transmitter power for
50/125-micron cabling
–19 to –14 dBm
Optical transmitter power for
62.5/125-micron cabling
–19 to –14 dBm
Table A-5 Catalyst 3550 Switch Agency Approvals
Safety EMC
UL to UL 60950, Third Edition FCC Part 15 Class A
c-UL to CAN/CSA -C22.2 No. 60950-00, Third Edition EN 55022 Class A (CISPR 22 Class A)
TUV/GS to EN 60950:2000 VCCI Class A
CB to IEC 60950 with all country deviations AS/NZS 3548 Class A
NOM to NOM-019-SCFI BSMI
CE Marking CE Marking
Table A-6 Catalyst 3550-24-DC Switch Agency Approvals
NEBS
Bellcore GR-1089-CORE
Bellcore GR-63-CORE
Bellcore SR-3580 Level 3