Data Sheet
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Physical specifications
Dimensions (H x W x D):
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1.73 x 10.6 x 9.1 in. (4.4 x 27 x 23 cm) for Cisco Catalyst Express 520-8PC
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1.73 x 17.5 x 9.9 in. (4.39 x 44.45 x 25.15 cm) for Cisco Catalyst Express 520-24TT,
Cisco Catalyst Express 520-24LC, and Cisco Catalyst Express 520G-24TC
●
1.73 x 17.5 x 14.4 in. (4.39 x 44.45 x 36.58 cm) for Cisco Catalyst Express 520-24PC
Weight:
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5 lb (2.3 kg) for Cisco Catalyst Express 520-8PC
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8 lb (3.7 kg) for Cisco Catalyst Express 520-24TT, Cisco Catalyst Express 520-24LC,
and Cisco Catalyst Express 520G-24TC
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12 lb (5.5 kg) for Cisco Catalyst Express 520-24PC
Switch Model
●
Cisco Catalyst Express
520-8PC
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Cisco Catalyst Express
520-24TT
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Cisco Catalyst Express
520-24LC
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Cisco Catalyst Express
520-24PC
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Cisco Catalyst Express
520G-24TC
Power consumption
(maximum):
●
204W or 273 Btu
●
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:
●
80W
●
30W
●
45W
●
90W
●
45W
Power requirements
Input voltage:
●
AC input voltage/frequency: 100-240VAC, 1.3-0.8A, 50-60Hz
●
DC input voltages for Cisco RPS 675 Redundant Power System (supported by Cisco
Catalyst Express 520-24PC only): 12V at 14A, -48V at 7.8A
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)
●
353,184 hours or 40 years for Cisco Catalyst Express 520-8PC
●
308,482 hours or 35 years for Cisco Catalyst Express 520-24TT
●
282,705 hours or 32 years for Cisco Catalyst Express 520-24LC
●
211,167 hours or 24 years for Cisco Catalyst Express 520-24PC
●
289,193 hours or 33 years for Cisco Catalyst Express 520G-24TC
Acoustic noise
●
ISO 7770, bystander position: operating to an ambient temperature of 30ºC
●
Cisco Catalyst Express 520-8PC: 0 dBa (no fan)
●
Cisco Catalyst Express 520-24TT, Cisco Catalyst Express 520-24LC, Cisco Catalyst
Express 520G-24TC: 40dBa, Cisco Catalyst Express 520-24PC: 48dBa
Regulatory Agency Approvals
Safety certifications
●
UL to UL 60950-1
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CUL to CAN/CSA C22.2 No. 60950-1
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TUV/GS to EN 60950-1
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CB to IEC 60950-1 with all country deviations
●
NOM to NOM-019-SCFI
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CE marking
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AS/NZS 60950-1, First Edition
Electromagnetic compatibility
certifications
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FCC Part 15 Class A
●
EN 55022 Class A (CISPR22)
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EN 55024 (CISPR24)
●
VCCI Class A
●
AS/NZS CISPR22 Class A
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MIC
●
China EMC requirements
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GOST
Ordering Information
Table 3 gives ordering information for Cisco Catalyst Express 520 Series switches.
