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 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 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
|
Table A-3 Fiber-Optic Port Specifications for the Catalyst 2955S-12 Switch
Fiber-Port Power Levels
|
Catalyst 2955S-12 (100BASE-LX SM 1 )
|
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
|
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
|
|
