cc/td/doc/product/lan/cat2950/12122ea2
hometocprevnextglossaryfeedbacksearchhelp
PDF

Table Of Contents

Technical Specifications


Technical Specifications


Table A-1 lists the technical specifications for the Catalyst 2955 switches. Table A-2 and Table A-3 list the technical specifications for fiber-optic uplink ports. Table A-4 lists the regulatory agency approvals. Table A-5 lists the technical specifications for the Catalyst 2955 switch power converter. Table A-6 lists the regulatory agency approvals for the Catalyst 2955 switch power converter.

Table A-1 Technical Specifications for Catalyst 2955T-12, 2955C-12, and Catalyst 2955S-12 Switches 

Environmental Ranges
 

Operating temperature

-40 to 140°F (-40 to 60°C)

 

Storage temperature

-40 to 185°F (-40 to 85°C)

 

Operating humidity

10 to 95% (noncondensing)

 

Shock

50 g at 11 ms

 

Operating altitude

Up to 10,000 ft (3000 m)

 

Storage altitude

Up to 30,000 ft (9000 m)

Power Requirements
 

DC input voltages

24 V (18 minimum to 32 V maximum range)

Note The DC-input power supply is an SELV circuit, and it can only be connected to another SELV circuit.

 

Power consumption

23 W (maximum)

102 BTUs per hour

Physical Dimensions
 

Weight

3.1 lbs (1.4 kg)

 

Dimensions
(W x D x H)

8.07 x 5.03 x 3.75 in. (20.5 x 12.78 x 9.53 cm)


Table A-2 Fiber-Optic Port Specifications for the Catalyst 2955C-12 Switch 

Fiber-Port Power Levels
Catalyst 2955C-12 (100BASE-FX MM)

Optical transmitter wavelength

1300 nm1

Optical receiver sensitivity for 50/125-micron cabling

-33.5 to -11.8 dBm2

Optical receiver sensitivity for 62.5/125-micron cabling

-33.5 to -11.8 dBm

Optical transmitter power for 50/125-micron cabling

-23.5 to -14 dBm

Optical transmitter power for 62.5/125-micron cabling

-20 to -14 dBm

1 nm = nanometers

2 dBm = decibel milliwatt


Table A-3 Fiber-Optic Port Specifications for the Catalyst 2955S-12 Switch

Fiber-Port Power Levels
Catalyst 2955S-12 (100BASE-LX SM1 )

Optical transmitter wavelength

1300 nm2

Optical receiver sensitivity for 9/125-micron SM cabling

-38 to -31 dBm3

Optical transmitter power for 9/125-micron cabling

-15 to -8 dBm

1 SM = single-mode fiber

2 nm = nanometer

3 dBm = decibel milliwatt


Table A-4 Catalyst 2955 Switch Agency Approvals 

Safety
EMC
Hazardous Locations

UL 60950

FCC Part 15 Class A

UL 1604 - Class I, Div 2 Group A, B, C, D

CE

ICES-003 Class A

CSA 22.2/213 - Class I, Div 2 Group A, B, C, D

CAN 22.2 No. 60950

EN 55022: (CISPR22) Class A

EN 50021 - Class I, Zone 2

UL 508

EN 55024 (CISPR24)

 

CB report to IEC 60950

AS/NZS CISPR 22 Class A

 

TUV GS mark to EN60950

VCCI Class 1

 

AS/NZS 3260

CE

 

NOM

CNS 13438

 

CSA 22.2/142

BSMI Class A

 
 

MIC Class A

 
 

EN 61131-2

 
 

EN 55011 (CISPR 11) Class A

 

Table A-5 lists the technical specifications for the Catalyst 2955 switch power converter.

Table A-5 Technical Specifications for the Power Converter 

Environmental Ranges
 

Operating temperature

14 to 140°F (-10 to 60°C)

 

Storage temperature

-13 to 185°F (-25 to 85°C)

 

Operating altitude

Up to 10,000 ft (3000 m)

 

Storage altitude

Up to 30,000 ft (9000 m)

 

Thermal spacing

0.39 in. (10 mm) sides
0.98 in. (25 mm) top and bottom

Power Requirements
 

Input voltages

AC continuously 176-264 V (switch in 230 V position), 47-63 Hz

AC continuously 85-132 V (switch in 115 V position), 47-63 Hz

DC continuously 160-375 V (switch in 230 V position)

 

Maximum AC power input current

0.7 A @ 230 V
1.3 A @ 115 V

Physical Dimensions
 

Weight

1.01 lbs (0.460 kg)

 

Dimensions (W x D x H)

1.97 x 4.05 x 4.92 in. (50 x 103 x 125 mm)


Table A-6 lists the regulatory agency approvals for the Catalyst 2955 switch power converter.

Table A-6 Power Converter Agency Approvals

Safety
EMC

EN 60950

EN 50081-1 and -2 (Emissions)

EN 50178

EN 50082-1 and -2 (Immunity)

EN 55011

VDE 0160/W2 (Transient protection)

CB report to IEC 60950

CE

UL 60950 Recognition

 

UL 508 Listing

 

CSA 22.2 Number 950-M90

 


hometocprevnextglossaryfeedbacksearchhelp

Posted: Mon Nov 15 05:36:17 PST 2004
All contents are Copyright © 1992--2004 Cisco Systems, Inc. All rights reserved.
Important Notices and Privacy Statement.