Cisco Catalyst Express 500 Documento tecnico
A-1
User Guide for the Catalyst Express 500 Switches
OL-8122-01
APPENDIX
A
Reference
Chapter Topics
•Technical Specifications, page A-1
•Cabling Guidelines, page A-3
•Connector Specifications, page A-6
Technical Specifications
This section lists the switch technical specifications in Table A-1.
Table A-1 Technical Specifications for the Catalyst Express 500 Switches
Specification Description
AC input voltage Catalyst Express 500-24TT:
100 to 240 VAC, 1.3–0.8 A (autoranging), 50 to 60 Hz
Catalyst Express 500-24LC:
100 to 240 VAC, 2–1 A (autoranging), 50 to 60 Hz
Catalyst Express 500-24PC:
100 to 240 VAC, 8–4 A (autoranging), 50 to 60 Hz
Catalyst Express 500G-12TC:
100 to 240 VAC, 1.3–0.8 A (autoranging), 50 to 60 Hz
DC input voltages for
RPS 6751
+12 V @14 A, –48 V @7.8 A
Appendix A Reference
Technical Specifications
A-2
User Guide for the Catalyst Express 500 Switches
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Power consumption Catalyst Express 500-24TT: 30 W or 102 BTUs per hour
Catalyst Express 500-24LC: 110 W or 375 BTUs per hour
Catalyst Express 500-24PC: 460 W or 1570 BTUs per hour
Catalyst Express 500G-12TC: 45 W or 154 BTUs per hour
Power dissipation Catalyst Express 500-24TT: 30 W
Catalyst Express 500-24LC: 45 W
Catalyst Express 500-24PC: 90 W
Catalyst Express 500G-12TC: 45 W
Power rating Catalyst Express 500-24TT: 0.050 KVA
Catalyst Express 500-24LC: 0.120 KVA
Catalyst Express 500-24PC: 0.460 KVA
Catalyst Express 500G-12TC: 0.075 KVA
Power over Ethernet All 24 PoE ports on the Catalyst Express 500-24PC can supply up to 15.4 W
(IEEE 802.3af standard maximum) of power over Category 5 cable, for a
total of 370 W of inline power.
All 4 PoE ports on Catalyst Express 500-24LC switches can supply up to
15.4 W of power over Category 5 cable, for a total of 62 W of inline power.
Both the IEEE 802.3af PoE standard and Cisco prestandard inline power are
supported.
Operating temperature 32 to 113°F (0 to 45°C)
Storage temperature –13 to 158°F (–25 to 70°C)
Relative humidity 10 to 85% (noncondensing)
Operating altitude Up to 10,000 ft (3049 m)
Storage altitude Up to 15,000 ft (4573 m)
Weight 8 lb (3.7 kg) for Catalyst Express 500-24TT, 500-24LC, and 500G-12TC
12 lb (5.5 kg) for Catalyst Express 500-24PC
Table A-1 Technical Specifications for the Catalyst Express 500 Switches (continued)
Specification Description
A-3
User Guide for the Catalyst Express 500 Switches
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Appendix A Reference
Cabling Guidelines
Cabling Guidelines
This section describes the cabling guidelines and port connections.
Ethernet Port Connections
For copper Ethernet ports, cable lengths from the switch to connected devices
must be within 328 feet (100 meters).
Use either straight-through or crossover Category 5 cables with RJ-45 connectors
to connect from the switch Ethernet ports to other devices.
Use Category 5 cables for 100BASE-TX and 1000BASE-T traffic. Use
Category 3 or Category 4 cables for 10BASE-T traffic.
SFP Module Port Connections
For the SFP module port connections, Table A-2 lists the cable specifications.
Each port must match the wave-length specifications on the other end of the cable,
and for reliable communications, the cable must not exceed the stipulated cable
length.
Dimensions
(H x W x D)
1.73 x 17.5 x 9.9 in. (4.39 x 44.45 x 25.15 cm) for Catalyst Express
500-24TT, Catalyst Express 500-24LC, and Catalyst Express 500G-12TC
1.73 x 17.5 x 14.4 in. (4.39 x 44.45 x 36.58 cm) for Catalyst Express
500-24PC
Acoustic noise ISO 7770, bystander position: Operating to an ambient temperature of 30ºC
Catalyst Express 500-24TT, 500-24LC, 500G-12TC: 40 dBa
Catalyst Express 500-24PC: 48 dBa
1. Only on Catalyst Express 500-24PC switch.
Table A-1 Technical Specifications for the Catalyst Express 500 Switches (continued)
Specification Description
Appendix A Reference
Cabling Guidelines
A-4
User Guide for the Catalyst Express 500 Switches
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Table A-2 Fiber-Optic SFP Module Port Cabling Specifications
SFP Module
Wavelength
(nanometers) Fiber Type
Core Size
(micron)
Model
Bandwidth
(MHz/km) Cable Distance
100BASE-BX-D 1550 TX1
1310 RX2
1. TX = send
2. RX = receive
SMF3
3. SMF = single-mode fiber
G.6524
4. ITU-T G.652 SMF as specified by the IEEE 802.3z standard.
— 32,810 feet (10 km)
100BASE-BX-U 1310 TX
1550 RX
SMF G.6522— 32,810 feet (10 km)
100BASE-FX Min.:1270
Typical: 1300
Max.: 1380
MMF5
5. MMF = multimode fiber
50/125
62.5/125
500 6,562 feet (2 km)
100BASE-LX 1310 SMF 9/125 — 32,810 feet (10 km)
1000BASE-LX 1300 MMF6
SMF
6. A mode-conditioning patch cord is required. Using an ordinary patch cord with MMF, 1000BASE-LX SFP modules, and a
short link distance can cause transceiver saturation, resulting in an elevated bit error rate (BER). When using the LX SFP
module with 62.5-micron diameter MMF, you must also install a mode-conditioning patch cord between the SFP module and
the MMF cable on both the sending and receiving ends of the link. The mode-conditioning patch cord is required for link
distances greater than 984 feet (300 m).
62.5
50
50
9/102
500
400
500
—
1804 feet (550 m)
1804 feet (550 m)
1804 feet (550 m)
32,810 feet (10 km)
1000BASE-SX 850 MMF 62.5
62.5
50
50
160
200
400
500
722 feet (220 m)
902 feet (275 m)
1640 feet (500 m)
1804 feet (550 m)
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User Guide for the Catalyst Express 500 Switches
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Appendix A Reference
Cabling Guidelines
For SMF connections, use one of the LCs listed in Table A-3 or Table A-4. For
MMF connections, use one of the LCs listed in Table A-5. Use the Cisco part
numbers to order the patchcords that you need, or order patchcords from your
vendor.
Table A-3 LC-to-SC Single-Mode Fiber Patch Cables (SFP-to-GBIC Connections)
Type Cisco Part Number
2-meter, LC-to-SC single-mode fiber patchcord CAB-CP-LCSC-2M
8-inch, SC-to-LC single-mode fiber patchcord CAB-CP-SCLC-8IN
10-foot, LC-to-SC single-mode fiber patchcord CAB-SMF-SC-10
100-foot, LC-to-SC single-mode fiber patchcord CAB-SMF-SC-100
25-foot, LC-to-SC single-mode fiber patchcord CAB-SMF-SC-25
50-foot, LC-to-SC single-mode fiber patchcord CAB-SMF-SC-50
75-foot, LC-to-SC single-mode fiber patchcord CAB-SMF-SC-75
Table A-4 LC-to-LC Single-Mode Fiber Patch Cables (SFP-to-SFP Connections)
Type Cisco Part Number
2-meter, LC-to-LC single-mode fiber patchcord 15454-LC-LC-2=
4-meter, LC-to-LC single-mode fiber patchcord 15216-LC-LC-5=
6-meter, LC-to-LC single-mode fiber patchcord 15216-LC-LC-10=
8-meter, LC-to-LC single-mode fiber patchcord 15216-LC-LC-20=
Table A-5 SX LC and SX LC-to-SC Multimode Fiber Patch Cables (SFP-to-SFP Connections)
Type Cisco Part Number
10-meter, SX LC multimode fiber patchcord CSS5-CABSX-LC=
10-meter, SX LC-to-SC multimode fiber patchcord CSS5-CABSX-LCSC=
Appendix A Reference
Connector Specifications
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User Guide for the Catalyst Express 500 Switches
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Connector Specifications
This section describes the connectors used with the Catalyst Express 500
switches.
10/100 and 10/100/1000 Ports
The Ethernet ports on the switches use standard RJ-45 connectors and Ethernet
pinouts with internal crossovers (Figure A-1 and Figure A-2).
Figure A-1 10/100 Port Pinouts
H5318
231 45678Pin Label
1
2
3
4
5
6
7
8
RD+
RD-
TD+
NC
NC
TD-
NC
NC
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User Guide for the Catalyst Express 500 Switches
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Appendix A Reference
Connector Specifications
Figure A-2 10/100/1000 Port Pinouts
SFP Module Ports
The SFP module ports on switches use fiber-optic SFP modules with LC
connectors (Figure A-3). See the “Supported Hardware” section on page 1-13 for
a list of supported SFP modules.
Figure A-3 Fiber-Optic SFP Module LC Connector
60915
231 45678Pin Label
1
2
3
4
5
6
7
8
TP0+
TP0-
TP1+
TP2+
TP2-
TP1-
TP3+
TP3-
58476
Appendix A Reference
Connector Specifications
A-8
User Guide for the Catalyst Express 500 Switches
OL-8122-01
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