Table of Contents

Technical Specifications

Technical Specifications

Table A-1, Table A-2, Table A-3, and Table A-4 list the technical specifications for the Catalyst 2950 switches. Table A-5 and Table A-6 list the regulatory agency approvals.

Table A-1: Technical Specifications for Catalyst 2950-12, 2950-24, 2950C-24, 2950SX-24, and 2950T-24 Switches

Environmental Ranges
	Operating temperature	32 to 113°F (0 to 45°C)
	Storage temperature	-13 to 158°F (-25 to 70°C)
	Operating humidity	10 to 85% (noncondensing)
	Operating altitude	Up to 10,000 ft (3000 m)
	Storage altitude	Up to 15,000 ft (4570 m)
Power Requirements
	AC input voltage	100 to 127/200 to 240 VAC (autoranging) 50 to 60 Hz
	DC input voltages for the Cisco RPS 300 Redundant Power System (RPS)	+12V @4.5A
	Power consumption	30W (maximum) 102 Btus per hour
Physical Dimensions
	Weight	6.5 lb (3 kg)
	Dimensions (H x W x D)	1.72 x 17.5 x 9.52 in. (4.36 x 44.45 x 24.18 cm)

Table A-2: Technical Specifications for Catalyst 2950G-12-EI, 2950G-24-EI, and 2950G-48-EI Switches

		Catalyst 2950G-12-EI and 2950G-24-EI Switches	Catalyst 2950G-48-EI Switch
Environmental Ranges
	Operating temperature	32 to 113°F (0 to 45°C)	32 to 113°F (0 to 45°C)
	Storage temperature	-13 to 158°F (-25 to 70°C)	-13 to 158°F (-25 to 70°C)
	Operating humidity	10 to 85% (noncondensing)	10 to 85% (noncondensing)
	Operating altitude	Up to 10,000 ft (3000 m)	Up to 10,000 ft (3000 m)
	Storage altitude	Up to 15,000 ft (4570 m)	Up to 15,000 ft (4570 m)
Power Requirements
	AC input voltage	100 to 127/200 to 240 VAC (autoranging) 50 to 60 Hz	100 to 127/200 to 240 VAC (autoranging) 50 to 60 Hz
	DC input voltage for the Cisco RPS 300	+12V @4.5A	+12V @4.5A
	Power consumption	30W (maximum) 102 Btus per hour	45W (maximum) 154 Btus per hour
Physical Dimensions
	Weight	6.5 lb (3 kg)	10.5 lb (4.8 kg)
	Dimensions (H x W x D)	1.72 x 17.5 x 9.52 in. (4.36 x 44.45 x 24.18 cm)	1.72 x 17.5 x 13 in. (4.36 x 44.45 x 33.02 cm)

Table A-3: Technical Specifications for Catalyst 2950G-24-EI-DC Switch

Environmental Ranges
	Operating temperature	32 to 113°F (0 to 45°C)
	Storage temperature	-13 to 158°F (-25 to 70°C)
	Operating humidity	10 to 85% (noncondensing)
	Operating altitude	Up to 10,000 ft (3000 m)
	Storage altitude	Up to 15,000 ft (4570 m)
Power Requirements
	Power consumption	30W
	DC input voltage	-36 to -72 VDC
	Wire gauge for power connection	18 AWG^¹(6 AWG for protective earth)
	Branch circuit protection	5A
Physical Dimensions
	Weight	6.5 lb (3 kg)
	Dimensions (H x W x D)	1.72 x 17.5 x 9.52 in. (4.36 x 44.45 x 24.18 cm)

¹AWG = American Wire Gauge

Table A-4: Fiber-Port Specifications for Catalyst 2950C-24 and Catalyst 2950SX-24 Switches

Fiber-Port Power Levels		Catalyst 2950C-24	Catalyst 2950SX-24
	Optical transmitter wavelength	1300 nm^¹	850 nm
	Optical receiver sensitivity	-34.5 to 31.8 dBm^²	-13.5 dBm
	Optical transmitter power for 50/125-micron cabling	-23.5 to -14 dBm	-9.5 to -4 dBm
	Optical transmitter power for 62.5/125-micron cabling	-20 to -14 dBm	-9.5 to -4 dBm

¹nm = nanometers
²dBm = decibel milliwatt

Table A-5: Catalyst 2950 Switch Agency Approvals

Safety	EMC
UL 60950/CSA 22.2 No. 950	FCC Part 15 Class A
IEC 60950/EN 60950	EN 55022: 1998 (CISPR22) Class A
AS/NZS 3260, TS001	EN 55024: 1998 (CISPR24)
CE	VCCI Class A
	AS/NZS 3548 Class A
	CE
	CNS 13438 Class A
	MIC
	CLEI code

Table A-6: Catalyst 2950G-24-EI-DC S witch Agency Approvals

Bellcore GR-1089-CORE

Bellcore GR-63-CORE

Bellcore SR-3580 Level 3

Posted: Tue Sep 10 22:12:18 PDT 2002
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