Cisco Catalyst Express 500 Documento tecnico

A-1

User Guide for the Catalyst Express 500 Switches

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APPENDIX

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

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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

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Appendix A Reference

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

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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

9/102

500

400

500

—

1804 feet (550 m)

32,810 feet (10 km)

1000BASE-SX 850 MMF 62.5

62.5

160

200

400

500

722 feet (220 m)

902 feet (275 m)

1640 feet (500 m)

1804 feet (550 m)

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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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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

RD+

RD-

TD+

TD-

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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

TP0+

TP0-

TP1+

TP2+

TP2-

TP1-

TP3+

TP3-

58476

Appendix A Reference

Connector Specifications

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User Guide for the Catalyst Express 500 Switches

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