Catalyst 2950 Switch Hardware Installation Guide, August 2004
Technical Specifications
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Technical Specifications

Table Of Contents

Technical Specifications


Technical Specifications


Table A-1 through Table A-5 list the technical specifications for the Catalyst 2950 switches. Table A-6 lists the technical specifications for fiber-optic uplink ports.

Table A-7 lists the regulatory agency approvals for the switches other than the Catalyst 2950 Long-Reach Ethernet (LRE) switches. Table A-8 and Table A-9 list the regulatory agency approvals for the Catalyst 2950 LRE switches. Table A-10 lists the regulatory agency approval only for the Catalyst 2950G-24-EI-DC switch.

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)

 

Shock

84 in. per sec (2.13 m per sec)1

Power Requirements
 

AC input voltage

100 to 127/200 to 240 VAC
(autoranging) 50 to 60 Hz

 

DC input voltages for the Cisco RPS2  300 Redundant Power System

+12 V@4.5 A

 

DC input voltages for the Cisco RPS 675

+12 V@4.5 A

 

Power consumption

30 W (maximum)

102 Btus per hour

 

Power rating

0.05 kVA

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)

1 This switch meets ASTM D3332.

2 RPS = redundant power system


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

   
Catalyst 2950G-12-EI
and 2950G-24-EI Switches
Catalyst 2950G-48-EI, 2950SX-48-SI, and 2950T-48-SI Switches
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)

 

Shock

84 in. per sec
(2.13 m per sec)1

84 in. per sec
(2.13 m per sec)

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 RPS2  300

+12 V@4.5 A

+12 V@4.5 A

 

DC input voltage for the Cisco RPS 675

+12 V@4.5 A

+12 V@4.5 A

 

Power consumption

30 W (maximum)
102 Btus per hour

45 W (maximum)
154 Btus per hour

 

Power rating

0.05 kVA

0.075 kVA

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)

1 This switch meets ASTM D3332.

2 RPS = redundant power system


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)

 

Shock

84 in. per sec
(2.13 m per sec)1

Power Requirements
 

Power consumption

30W (102 Btus per hour)

 

Power rating

0.05 kVA

 

DC input voltage

-36 to -72 VDC

 

Wire gauge for power connection

18 AWG2 (6 AWG for protective earth)

 

Branch circuit protection

5 A

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)

1 This switch meets ASTM D3332.

2 AWG = American Wire Gauge


Table A-4 Technical Specifications for Catalyst 2950ST-8 LRE and Catalyst-2950ST-24 LRE 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)

 

Shock

84 in. per sec
(2.13 m per sec)1

Power Requirements
 

AC input voltage

100 to 127/200 to 240 VAC (autoranging) 50 to 60 Hz

 

DC input voltage for the Cisco RPS2 300

+12 V@4 A

 

DC input voltage for the Cisco RPS 675

+12 V@4 A

 

Power consumption

50W (maximum)

171 Btus per hour

 

Power rating

0.083 kVA

 

Branch circuit protection

5 A

Physical Dimensions
 

Weight

8 lb (3.6 kg)

 

Dimensions
(H x W x D)

1.73 x 17.5 x 9.96 in.
(4.36 x 44.45 x 24.18 cm)

1 This switch meets ASTM D3332.

2 RPS = redundant power system


  

Table A-5 Technical Specifications for Catalyst-2950ST-24 997 LRE 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)

 

Shock

84 in. per sec
(2.13 m per sec)1

Power Requirements
 

Power consumption

50W (maximum)

171 Btus per hour

 

Power rating

0.083 kVA

 

DC input voltage

-36 to -72 VDC

 

Wire gauge for power connection

18 AWG2 (6 AWG for protective earth)

 

Branch circuit protection

5 A

Physical Dimensions
 

Weight

8 lb (3.6 kg)

 

Dimensions
(H x W x D)

1.73 x 17.5 x 9.96 in.
(4.36 x 44.45 x 24.18 cm)

1 This switch meets ASTM D3332.

2 AWG = American Wire Gauge


 

 

Table A-6 Fiber-Optic Port Specifications for Catalyst 2950C-24, Catalyst 2950SX-24, and Catalyst 2950 LRE Switches 

Fiber-Port Power Levels
Catalyst 2950C-24
Catalyst 2950SX-24
Catalyst 2950ST-8 LRE, 2950ST-24 LRE, and 2950ST-24 LRE 997
 

Optical transmitter wavelength

1300 nm1

850 nm

The transmitter wavelengths, receiver sensitivities, and transmitter power levels are SFP2 -module dependent. For this information, see the technical specifications that came with your SFP module.

 

Optical receiver sensitivity for 50/125-micron cabling

-33.5 to -11.8 dBm3

-13.5 dBm

 

Optical receiver sensitivity for 62.5/125-micron cabling

-33.5 to -11.8 dBm

-12.5 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

1 nm = nanometers

2 SFP = small form-factor pluggable

3 dBm = decibel milliwatt


Table A-7 Catalyst 2950 Switch Agency Approvals 

Safety
EMC

UL/CSA 60950

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


Table A-8 Catalyst 2950ST-8 LRE and 2950ST-24 LRE Switch Agency Approvals 

Safety
EMC

UL/CSA 60950, 3rd edition

USA CFR47, FCC, Part 15, Class A

IEC 60950 with Amendments A1 through A4 and A11

ICES-003, Class A

AS/NZS 3260 with Amendments A1 through A4

EN55022/CISPR22, Class A, 1998

TUV-GS to EN60950 with Amendments A1 through A4 and A11

EN 55024: ITE Immunity Standard. (CE Mark), 1998

CE

EN61000-4-2/IEC1000-4-2: Immunity to ESD

EN61000-4-3/IEC1000-4-3: Immunity to Radio Frequency Electromagnetic Fields

EN61000-4-4/IEC1000-4-4: Immunity to Electrical Fast Transients

EN61000-4-5/IEC1000-4-5: Immunity to Power Line Transients (Surges)

EN61000-4-6/IEC1000-4-6: Immunity to Radio Frequency Induced Conducted Disturbances

EN61000-4-11/IEC1000-4-11: Immunity to Voltage Dips, Voltage Variations, and Short Voltage Interruptions

AS/NZS 3548, Class A

BSMI, Class A

VCCI, Class A

MIC Mark


Table A-9 Catalyst 2950ST-24 LRE 997 Switch Agency Approvals 

Safety
EMC

UL/CSA 60950, 3rd edition

USA CFR47, FCC, Part 15, Class A

IEC 60950 with Amendments A1 through A4 and A11

ICES-003, Class A

AS/NZS 3260 with Amendments A1 through A4

EN55022/CISPR22, Class A, 1998

TUV-GS to EN60950 with Amendments A1 through A4 and A11

EN 55024: ITE Immunity Standard. (CE Mark), 1998

CE

EN61000-4-2/IEC1000-4-2: Immunity to ESD

EN61000-4-3/IEC1000-4-3: Immunity to Radio Frequency Electromagnetic Fields

EN61000-4-4/IEC1000-4-4: Immunity to Electrical Fast Transients

EN61000-4-5/IEC1000-4-5: Immunity to Power Line Transients (Surges)

EN61000-4-6/IEC1000-4-6: Immunity to Radio Frequency Induced Conducted Disturbances

EN61000-4-11/IEC1000-4-11: Immunity to Voltage Dips, Voltage Variations, and Short Voltage Interruptions


Table A-10 Catalyst 2950G-24-EI-DC Switch Agency Approvals 

NEBS

Bellcore GR-1089-CORE

Bellcore GR-63-CORE

Bellcore SR-3580 Level 3