Appendix A Reference
Technical Specifications
A-2
User Guide for the Catalyst Express 500 Switches
OL-8122-01
Power consumption Catalyst Express 500-24TT: 30 W or 102 BTUs per hour
Catalyst Express 500-24LC: 110 W or 375 BTUs per hour
Catalyst Express 500-24PC: 460 W or 1570 BTUs per hour
Catalyst Express 500G-12TC: 45 W or 154 BTUs per hour
Power dissipation Catalyst Express 500-24TT: 30 W
Catalyst Express 500-24LC: 45 W
Catalyst Express 500-24PC: 90 W
Catalyst Express 500G-12TC: 45 W
Power rating Catalyst Express 500-24TT: 0.050 KVA
Catalyst Express 500-24LC: 0.120 KVA
Catalyst Express 500-24PC: 0.460 KVA
Catalyst Express 500G-12TC: 0.075 KVA
Power over Ethernet All 24 PoE ports on the Catalyst Express 500-24PC can supply up to 15.4 W
(IEEE 802.3af standard maximum) of power over Category 5 cable, for a
total of 370 W of inline power.
All 4 PoE ports on Catalyst Express 500-24LC switches can supply up to
15.4 W of power over Category 5 cable, for a total of 62 W of inline power.
Both the IEEE 802.3af PoE standard and Cisco prestandard inline power are
supported.
Operating temperature 32 to 113°F (0 to 45°C)
Storage temperature –13 to 158°F (–25 to 70°C)
Relative humidity 10 to 85% (noncondensing)
Operating altitude Up to 10,000 ft (3049 m)
Storage altitude Up to 15,000 ft (4573 m)
Weight 8 lb (3.7 kg) for Catalyst Express 500-24TT, 500-24LC, and 500G-12TC
12 lb (5.5 kg) for Catalyst Express 500-24PC
Table A-1 Technical Specifications for the Catalyst Express 500 Switches (continued)
Specification Description
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