cc/td/doc/product/lan/cat2950/12112cea
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-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 11ms

 

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 V 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

 

Dimensions
(W x D x H)

8.07 x 5.03 x 3.75 in.

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

1nm = nanometers

2dBm = 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 50/125-micron SM cabling

-38 to -31 dBm3

Optical transmitter power for 9-micron cabling

-15 to -8 dBm

1sm = single-mode fiber

2nm = nanometers

3dBm = 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

 


hometocprevnextglossaryfeedbacksearchhelp
Posted: Fri Apr 25 20:16:41 PDT 2003
All contents are Copyright © 1992--2002 Cisco Systems, Inc. All rights reserved.
Important Notices and Privacy Statement.