Data Sheet 
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Switch Model 
● 
Cisco Catalyst Express 
500-24TT 
● 
Cisco Catalyst Express 
500-24LC 
● 
Cisco Catalyst Express 
500-24PC 
● 
Cisco Catalyst Express 
500G-12TC 
Power consumption 
(maximum): 
● 
30W or 102 BTU  
per hour 
● 
110W or 375 BTU  
per hour 
● 
460W or 1570 BTU  
per hour 
● 
45W or 154 BTU  
per hour 
Power dissipation: 
● 
30W 
● 
45W 
● 
90W 
● 
45W 
Power requirements 
AC input voltage: 
 
Catalyst Express 500-24TT: 
100 to 240 VAC, 1.3–0.8 A (autoranging), 50 to 60 Hz 
Catalyst Express 500-24LC: 
100 to 240 VAC, 2–1 A (autoranging), 50 to 60 Hz 
Catalyst Express 500-24PC: 
100 to 240 VAC, 8–4 A (autoranging), 50 to 60 Hz 
Catalyst Express 500G-12TC: 
100 to 240 VAC, 1.3–0.8 A (autoranging), 50 to 60 Hz 
Environmental requirements 
● 
Operating temperature: 32 to 113ºF (0 to 45ºC) 
● 
Storage temperature: -13 to 158ºF (-25 to 70ºC) 
● 
Operating relative humidity: 10 to 85% (noncondensing) 
● 
Operating altitude: up to 10,000 ft (3000m) 
● 
Storage altitude: up to 15,000 ft (4500m) 
Predicted mean time between 
failure (MTBF) 
● 
308,482 hours or 35 years for Cisco Catalyst Express 500-24TT 
● 
282,705 hours or 32 years for Cisco Catalyst Express 500-24LC 
● 
211,167 hours or 24 years for Cisco Catalyst Express 500-24PC 
● 
289,193 hours or 33 years for Cisco Catalyst Express 500G-12TC 
Acoustic noise 
● 
ISO 7770, bystander position: operating to an ambient temperature of 30ºC 
● 
Cisco Catalyst Express 500-24TT, Cisco Catalyst Express 500-24LC, Cisco Catalyst 
Express 500G-12TC: 40dBa, Cisco Catalyst Express 500-24PC: 48dBa 
Regulatory Agency Approvals 
Safety certifications 
● 
UL to UL 60950-1 
● 
CUL to CAN/CSA C22.2 No. 60950-1 
● 
TUV/GS to EN 60950-1 
● 
CB to IEC 60950-1 with all country deviations 
● 
NOM to NOM-019-SCFI 
● 
CE marking 
Electromagnetic compatibility 
certifications 
● 
FCC Part 15 Class A 
● 
EN 55022 Class A (CISPR22) 
● 
EN 55024 (CISPR24) 
● 
VCCI Class A 
● 
AS/NZS CISPR22 Class A 
● 
MIC 
● 
China EMC requirements 
● 
GOST 
Service and Support 
Cisco is committed to minimizing total cost of ownership. The company offers a portfolio of 
technical support services to help ensure that its products operate efficiently, remain highly 
available, and benefit from the most up-to-date system software. The services and support 
programs described in Table 3 (SMARTnet
®
) and Table 4 (SMBSA) are available as part of the 
Cisco Catalyst Express 500 Service and Support solution and are available directly from Cisco and 
through resellers.