Cisco 3750 - Catalyst EMI Switch Merkblatt

CHAPTER

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Switch Installation

This chapter describes how to start your switch and how to interpret the power-on

self-test (POST) that ensures proper operation. It describes the planning and

cabling considerations to keep in mind while planning your stack. It describes

how to install the switch and make connections to the switch. Read the topics and

perform the procedures in this order:

•Preparing for Installation, page 3-1

•Verifying Switch Operation, page 3-8

•Planning the Stack, page 3-11

•Installing the Switch, page 3-16

•Connecting the StackWise Cable to the StackWise Ports, page 3-35

•Connecting to the 10/100 and 10/100/1000 Ports, page 3-42

•Connecting to a SFP Module, page 3-44

•Where to Go Next, page 3-46

Preparing for Installation

This section covers these topics:

•Warnings, page 3-2

•EMC Regulatory Statements, page 3-4

•Installation Guidelines, page 3-6

Chapter 3 Switch Installation

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•Verifying Package Contents, page 3-7

•Verifying Switch Operation, page 3-8

Warnings

These warnings are translated into several languages in Appendix C, “Translated

Safety Warnings.”

Warning

This equipment is to be installed and maintained by service personnel only as

defined by AS/NZS 3260 Clause 1.2.14.3 Service Personnel.

Warning

Onlytrainedandqualifiedpersonnelshouldbeallowedtoinstallorreplacethis

equipment.

Warning

Read the installation instructions before you connect the system to its power

source.

Warning

Before working on equipment that is connected to power lines, remove jewelry

(including rings, necklaces, and watches). Metal objects will heat up when

connected to power and ground and can cause serious burns or weld the metal

object to the terminals.

Warning

Do not stack the chassis on any other equipment. If the chassis falls, it can

cause severe bodily injury and equipment damage.

Warning

The plug-socket combination must be accessible at all times because it serves

as the main disconnecting device.

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Chapter 3 Switch Installation Preparing for Installation

Warning

To prevent the switch from overheating, do not operate it in an area that

exceeds the maximum recommended ambient temperature of 113°F (45°C). To

prevent airflow restriction, allow at least 3 inches (7.6 cm) of clearance around

the ventilation openings.

Warning

When installing the unit, the ground connection must always be made first and

disconnected last.

Warning

This equipment is intended to be grounded. Ensure that the host is connected to

earth ground during normal use.

Warning

Do not work on the system or connect or disconnect cables during periods of

lightning activity.

Warning

Ultimate disposal of this product should be handled according to all national

laws and regulations.

Warning

Attach only the Cisco RPS (model PWR675-AC-RPS-N1) to the RPS receptacle.

Warning

Class 1 laser product

Warning

Avoid exposure to the laser beam.

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EMC Regulatory Statements

This section includes specific regulatory statements about the Catalyst 3750

family of switches.

U.S.A.

U.S. regulatory information for this product is in the front matter of this manual.

Taiwan

This is a Class A Information product. When used in a residential environment, it

may cause radio frequency interference. Under such circumstances, the user may

be requested to take appropriate countermeasures.

Japan

This is a Class A product based on the standard of the Voluntary Control Council

for Interference by Information Technology Equipment (VCCI). If this equipment

is used in a domestic environment, radio disturbance may arise. When such

trouble occurs, the user may be required to take corrective actions.

46464

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Korea

Hungary

This equipment is a Class A product and should be used and installed properly

according to the Hungarian EMC Class A requirements (MSZEN55022). Class A

equipment is designed for typical commercial establishments for which special

conditions of installation and protection distance are used.

Figyelmeztetés a felhasználói kézikönyv számára:

Ez a berendezés “A” osztályú termék, felhasználására és üzembe helyezésére a

magyar EMC “A” osztályú követelményeknek (MSZ EN 55022) megfeleloen

kerülhet sor, illetve ezen “A” osztályú berendezések csak megfelelo kereskedelmi

forrásból származhatnak, amelyek biztosítják a megfelelo speciális üzembe

helyezési körülményeket és biztonságos üzemelési távolságok alkalmazását.

Warning

This is a Class A Device and is registered for EMC requirements for industrial

use. The seller or buyer should be aware of this. If this type was sold or

purchased by mistake, it should be replaced with a residential-use type.

Chapter 3 Switch Installation

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Installation Guidelines

When determining where to place the switch, be sure to observe these

requirements:

•For 10/100 and 10/100/1000 ports, cable lengths from the switch to connected

devices are up to 328 feet (100 meters).

•Table 3-1 lists the cable stipulations for 1000BASE-SX and 1000BASE-LX

SFP connections. The only restriction is that each port must match the

wave-length specifications on the other end of the cable, and the cable must

not exceed the stipulated cable length for reliable communications.

•Operating environment is within the ranges listed in Appendix A, “Technical

Specifications.”

•Clearance to front and rear panels is such that

–

Front-panel indicators can be easily read.

–

Access to ports is sufficient for unrestricted cabling.

Make sure that there is access to the rear of the rack if you are planning

to stack the switches. If you do not have access to the rear panel, make

sure you cable the switches before you rack mount them.

–

Rear-panel power connector is within reach of an AC power receptacle.

Table 3-1 Cabling Stipulations for SFP Modules

SFP

Module

62.5/125 micron

Multimode

850 nm1Fiber

1. nm = nanometer

50/125 micron

Multimode

850 nm Fiber

62.5/125 micron

Multimode

1310 nm Fiber

50/125 micron

Multimode

1310 nm Fiber

9/125 micron

Single-mode

1310 nm Fiber

8 micron

Single-mode

Dispersion

Shifted Fiber

SX 275 m2at

200 Mhz-km

2. m = meter

550 m at

500 Mhz-km ————

LX — — 550 m at

500 Mhz-km 550 m at

400 Mhz-km 10 km —

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•Cabling is away from sources of electrical noise, such as radios, power lines,

and fluorescent lighting fixtures. Make sure the cabling is safely away from

other devices that might damage the cables.

•Airflow around the switch and through the vents is unrestricted.

•Temperature around the unit does not exceed 113˚F (45˚C).

Note If the switch is installed in a closed or multirack assembly, the

temperature around it might be greater than normal room temperature.

Verifying Package Contents

Note Carefully remove the contents from the shipping container, and check each item

for damage. If any item is missing or damaged, contact your Cisco representative

or reseller for support. Return all packing material to the shipping container, and

save it.

The switch is shipped with these items:

•This Catalyst 3750 Switch Hardware Installation Guide

•About the Catalyst 3750 Documentation flyer

•AC power cord (AC-powered switches)

•One RJ-45-to-DB-9 adapter cable

•Mounting kit containing:

–

Four rubber feet for mounting the switch on a table

–

Two 19-inch rack-mounting brackets

–

Four Phillips flat-head screws for attaching the brackets to the switch

(Catalyst 3750G-24TS switch)

–

Six Phillips flat-head screws for attaching the brackets to the switch

(Catalyst 3750-24TS, 3750G-24T, and 3750-48TS switches)

–

Four Phillips machine screws for attaching the brackets to a rack

–

One cable guide and one black Phillips machine screw for attaching the

cable guide to one of the mounting brackets

Chapter 3 Switch Installation

Preparing for Installation

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Catalyst 3750 Switch Hardware Installation Guide 78-15136-01

–

One Redundant Power System (RPS) connector cover (for wall

mounting)

–

Two Phillips pan-head screws (for attaching the RPS cover)

–

Four Phillips truss-head screws (for wall-mounting brackets)

–

StackWise cable. Depending on the cable that you ordered, you will have

either the 0.5-meter, 1-meter, or the 3-meter cable.

Verifying Switch Operation

Before installing the switch in a rack, on a wall, or on a table or shelf, you should

power the switch and verify that the switch passes POST. These sections describe

the steps required to connect a PC to the switch console port, and to power on the

switch and observe POST:

•Connecting a PC or Terminal to the Console Port, page 3-8

•Powering On the Switch and Running POST, page 3-10

Connecting a PC or Terminal to the Console Port

To connect a PC to the console port, use the supplied RJ-45-to-DB-9 adapter

cable. To connect the switch console port to a terminal, you need to provide a

RJ-45-to-DB-25 female DTE adapter. You can order a kit (part number

ACS-DSBUASYN=) containing that adapter from Cisco. For console port and

adapter pinout information, see the “Cable and Adapter Specifications” section on

page B-5.

The terminal-emulation software—frequently a PC application such as

Hyperterminal or Procomm Plus—makes communication between the switch and

your PC or terminal possible.

Follow these steps to connect the PC or terminal to the switch:

Step 1 Configure the baud rate and character format of the PC or terminal to match these

console port default characteristics:

•9600 baud

•8 data bits

•1 stop bit

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•No parity

•None (flow control)

After you have gained access to the switch, you can change the console baud rate

through the Administration > Console Baud Rate window in the Cluster

Management Suite (CMS).

Step 2 Using the supplied RJ-45-to-DB-9 adapter cable, insert the RJ-45 connector into

the console port, as shown in Figure 3-1.

Step 3 Attach the DB-9 female DTE adapter of the RJ-45-to-DB-9 adapter cable to a PC,

or attach an appropriate adapter to the terminal.

Step 4 Start the terminal-emulation program if you are using a PC or terminal.

Figure 3-1 Connecting to the Console Port

1Console port

CONSOLE

STACK 1 STACK 2

86685

Chapter 3 Switch Installation

Preparing for Installation

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Catalyst 3750 Switch Hardware Installation Guide 78-15136-01

Powering On the Switch and Running POST

If your configuration has an RPS, connect the switch and the RPS to the same AC

power source. See the “Power Connectors” section on page 2-15, and refer to the

Cisco RPS documentation for more information.

Note Always put the RPS in standby mode when you are connecting devices to it and

in active mode during normal operation.

To power on the switch, follow these steps:

Step 1 Make sure that you have started the terminal emulation software program (such as

ProComm, HyperTerminal, tip, or minicom) from your management station. See the

“Connecting a PC or Terminal to the Console Port” section on page 3-8 for

information on connecting to the switch console port.

Step 2 Connect one end of the AC power cord to the AC power connector on the switch.

Step 3 Connect the other end of the power cord to an AC power outlet.

If you are installing the Catalyst 3750-24TS, 3750G-24T, or 3750-48TS switches,

you can use the Cisco RPS 300.

Warning

Attach only the Cisco RPS 300 (model PWR300-AC-RPS-N1) to the RPS

receptacle

If you are installing the Catalyst 3750-24TS, 3750G-24T, 3750G-24T, or the

3750-48TS switches, you can use the Cisco RPS 675.

Warning

Attach only the Cisco RPS 675 (model PWR675-AC-RPS-N1=) to the RPS

receptacle

As the switch powers on, it begins POST, a series of tests that run automatically

to ensure that the switch functions properly. When the switch begins POST, the

System, the RPS, the Master, the Status, the Duplex, the Speed, and the Stack

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