Data Sheet

Data Sheet
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Feature
Description
Environmental ranges
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Recommended operating temperature range: -40° to 140° F (-40° to 60° C)
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Recommended storage temperature range: -40° to 185° F (-40° to 85° C)
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Operating relative humidity: 10 to 95% (noncondensing)
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Operating altitude: 9843 ft (3000 m) @ 104° F (40° C)
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Storage altitude: Up to 29,500 ft (9000 m)
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Shock: 50 g trapezoidal shock (meets or exceeds ASTM D3332)
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Vibration: 500 Hz (meets or exceeds MIL-STD-810, Method 514.5)
Power requirements
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External 24V (dual-redundant DC input, screw-down connectors)
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Power consumption: 23W maximum, 78.53 BTU/hour
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18V minimum; 32V maximum
Predicted mean time
between failure (MTBF)
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WS-C2955T 235,022 hours
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WS-C2955C 206,378 hours
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WS-C2955S 205,115 hours
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Telcordia SR-332 Gf
Fiber port specifications
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100BASE-FX (MT-RJ connectors @ 1,300 nm):
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Optical receiver sensitivity: -30 dBm
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Optical transmitter power: -19 to -14 dBm
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Maximum distance: 2 km
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100BASE-LX (LC connectors @ 1,300 nm):
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Optical receiver sensitivity: -38 to -31 dBm
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Optical transmitter power: -15 to -8 dBm
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Maximum distance: 15 km
Regulatory Agency Approvals
Safety certifications
Hazardous locations
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CE Marking
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UL 60950
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CSA 22.2/60950
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TUV GS: CB Report to IEC 60950
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UL 508
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CSA 22.2/142
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AS/NZS 3260
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NOM
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UL 1604—Class I, Div 2 Group A, B, C, D
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CSA 22.2/213—Class 1, Div 2 Group A, B, C, D
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EN 50021—Class I, Zone 2
Electromagnetic emissions
certifications
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FCC Part 15 Class A
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ICES-003 Class A
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EN 55022: (CISPR22 Class A)
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EN 55024: (CISPR24)
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VCCI Class A
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AS/NZS CISPR 22 Class A
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VCCI Class 1
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CE Marking
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CNS 13438
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BSMI Class A
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MIC Class A
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EN 61131-2
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EN 55011 (CISPR 11) Class A
ITS
NEMA TS-2
Warranty
Limited five-year warranty
External DIN Rail Mountable Power Supply
Input voltage
AC100-120/220-240V (switchable) 47-63 Hz
Input current
<1.3A (switch in 115V position)
Input current
<0.7A (switch in 230V position)
Output voltage
24 VDC (+5%, -1%)
Size (WxHxD)
1.92x4.92x4.05 (50x125x103 mm)