Cisco Catalyst 2960-L Manuale utente

Switch Installation

For initial switch setup, assigning the switch IP address, and powering on information, see the switch getting

started guide on Cisco.com.

This chapter contains these topics:

•Safety Warnings, on page 1

•Box Contents, on page 4

•Tools and Equipment, on page 5

•Installation Guidelines, on page 5

•Verifying Switch Operation, on page 6

•Installing the Switch, on page 6

•Installing the Power Cord Retainer (Optional), on page 12

•Installing SFP Modules, on page 15

•Connecting to SFP or SFP+ Modules, on page 16

•10/100/1000 PoE and PoE+Port Connections, on page 19

•10/100/1000 Port Connections, on page 21

Safety Warnings

This section includes the warning statements relating to basic installation. Read this section before you start

the installation procedure.

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. Statement 43

Warning

Do not stack the chassis on any other equipment. If the chassis falls, it can cause severe bodily injury and

equipment damage. Statement 48

Warning

Switch Installation

Read the wall-mounting instructions carefully before beginning installation. Failure to use the correct hardware

or to follow the correct procedures could result in a hazardous situation to people and damage to the system.

Statement 378

Warning

Do not work on the system or connect or disconnect cables during periods of lightning activity. Statement

1001

Warning

Read the installation instructions before connecting the system to the power source. Statement 1004

Warning

To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to

ensure that the system remains stable. The following guidelines are provided to ensure your safety:

• This unit should be mounted at the bottom of the rack if it is the only unit in the rack.

• When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the

heaviest component at the bottom of the rack.

• If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the

unit in the rack.

Statement 1006

Warning

Class 1 laser product. Statement 1008

Warning

This unit is intended for installation in restricted access areas. A restricted access area can be accessed only

through the use of a special tool, lock and key, or other means of security. Statement 1017

Warning

The plug-socket combination must be accessible at all times, because it serves as the main disconnecting

device. Statement 1019

Warning

This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the absence

of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician

if you are uncertain that suitable grounding is available. Statement 1024

Warning

Switch Installation

Safety Warnings

Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement

1030

Warning

Ultimate disposal of this product should be handled according to all national laws and regulations. Statement

1040

Warning

When installing or replacing the unit, the ground connection must always be made first and disconnected last.

Statement 1046

Warning

To prevent the system from overheating, do not operate it in an area that exceeds the maximum recommended

ambient temperature of: <113°F (45°C). Statement 1047

Warning

The maximum operating temperature is 45°C.

Note

Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into beams or

view directly with optical instruments. Statement 1051

Warning

This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work

on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard

practices for preventing accidents. Use the statement number provided at the end of each warning to locate

its translation in the translated safety warnings that accompanied this device. Statement 1071

Warning

Voltages that present a shock hazard may exist on Power over Ethernet (PoE) circuits if interconnections are

made using uninsulated exposed metal contacts, conductors, or terminals. Avoid using such interconnection

methods, unless the exposed metal parts are located within a restricted access location and users and service

people who are authorized within the restricted access location are made aware of the hazard. A restricted

access area can be accessed only through the use of a special tool, lock and key or other means of security.

Statement 1072

Warning

No user-serviceable parts inside. Do not open. Statement 1073

Warning

Switch Installation

Safety Warnings

Installation of the equipment must comply with local and national electrical codes. Statement 1074

Warning

To prevent airflow restriction, allow clearance around the ventilation openings to be at least: 3 inches (7.6

cm). Statement 1076

Warning

Hot surface. Statement 1079

Warning

Box Contents

This section lists the contents of the shipping box for a 24-port and 48-port Cisco Catalyst 2960-L Smart

Managed switch.

Figure 1: Box Contents of a 24-Port and 48-Port Cisco Catalyst 2960-L Smart Managed Switch

Four Number-10 Phillips pan-head screws

(48-0627-01)

824-port and 48-port Cisco Catalyst 2960-L

Smart Managed switch

Switch Installation

Box Contents

Four Number-8 Phillips flat-head screws

(48-2927-01)

9AC power cord2

One black Phillips machine screw

(48-0654-01)

10Four rubber-mounting feet (51-0089)3

(Optional) Console cable or USB cable11Compliance documentation

(78-100866-01)

(Optional) Power cord retainer12Two 19-inch mounting brackets5

Icon legend label (47-103380-01 for 1G

SFP modules and 47-103993-01 for 10G

SFP+ modules.)

13Cable guide6

Four Number-12 Phillips pan-head screws

(48-0523-01)

Tools and Equipment

Obtain these necessary tools:

• A Number-2 Phillips screwdriver to rack-mount the switch

Installation Guidelines

When determining where to install the switch, verify that these guidelines are met:

• Clearance to the switch front and rear panel meets these conditions:

• Front-panel LEDs can be easily read.

• Access to ports is sufficient for unrestricted cabling.

• AC power cord can reach from the AC power outlet to the connector on the switch rear panel.

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

fixtures. Make sure that 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). If the switch is installed in a closed or

multirack assembly, the temperature around it might be greater than normal room temperature.

• Humidity around the switch does not exceed 90 percent.

• Altitude at the installation site is not greater than 10,000 feet.

• For 10/100/1000 fixed ports, the cable length from a switch to a connected device cannot exceed 328

feet (100 meters).

Switch Installation

Tools and Equipment

• Cooling mechanisms, such as fans and blowers in the switch, can draw dust and other particles causing

contaminant buildup inside the chassis, which can result in system malfunction. You must install this

equipment in an environment as free from dust and foreign conductive material (such as metal flakes

from construction activities) as is possible.

Verifying Switch Operation

Before you install the switch in a rack, on a wall, or on a table or shelf, power on the switch and verify that

it passes POST.

To power on the switch, plug one end of the AC power cord into the switch AC power connector, and plug

the other end into an AC power outlet.

As the switch powers on, it begins the POST, a series of tests that runs automatically to ensure that the switch

functions properly. LEDs can blink during the test. The SYST LED blinks green, and the other LEDs remain

solid green.

When the switch completes POST successfully, the SYST LED remains green. The other LEDs turn off and

then reflect the switch operating status. If a switch fails POST, the SYST LED turns amber.

POST failures are usually fatal. Call Cisco technical support representative if your switch fails POST.

After a successful POST, unplug the power cord from the switch and install the switch in a rack, on a wall,

on a table, or on a shelf.

Installing the Switch

Rack-Mounting

Installation in other than 19-inch racks requires a bracket kit not included with the switch.

To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to

ensure that the system remains stable. The following guidelines are provided to ensure your safety:

• This unit should be mounted at the bottom of the rack if it is the only unit in the rack.

• When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the

heaviest component at the bottom of the rack.

• If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the

unit in the rack.

Statement 1006

Warning

Switch Installation

Verifying Switch Operation

Figure 2: Rack-Mounting Brackets

This figure shows the standard 19-inch brackets and other optional mounting brackets. You can order the

optional brackets from your Cisco sales

representative.

23-inch brackets319-inch brackets1

24-inch brackets4ETSI brackets2

Attaching the Rack-Mount Brackets

Attaching the Rack-Mount Brackets to a 24-Port and 48-Port Cisco Catalyst 2960-L Smart Managed Switch

Use two Phillips flat-head screws to attach the long side of the bracket to each side of the switch.

Switch Installation

Attaching the Rack-Mount Brackets

Figure 3: Attaching 19-inch Brackets to a 24-Port and 48-Port Cisco Catalyst 2960-L Smart Managed Switch

Switch Installation

Attaching the Rack-Mount Brackets

Mid-mounting position3Front-mounting position1

Rear-mounting position4Number-8 Phillips flat-head screws2

Mounting a 24-Port or 48-Port Switch in a Rack

Step 1 Use the four supplied Phillips machine screws to attach the brackets to the rack.

Step 2 Use the black Phillips machine screw to attach the cable guide to the left or right bracket.

Figure 4: Mounting the Switch in a Rack

Number-12 Phillips pan-head screws

(48-0523-01) or Number-10 Phillips pan-head

screws (48-0627-01)

4Cable guide1

Mid-mounting position5Phillips machine screw, black (48-0654-01)2

Switch Installation

Mounting a 24-Port or 48-Port Switch in a Rack

Rear-mounting position6Front-mounting position3

Wall-Mounting

Read the wall-mounting instructions carefully before beginning installation. Failure to use the correct hardware

or to follow the correct procedures could result in a hazardous situation to people and damage to the system.

Statement 378

Warning

Attaching the Brackets for Wall-Mounting

SUMMARY STEPS

1. Attach a 19-inch bracket to one side of the switch.

2. Follow the same steps to attach the second bracket to the opposite side.

DETAILED STEPS

Step 1 Attach a 19-inch bracket to one side of the switch.

Step 2 Follow the same steps to attach the second bracket to the opposite side.

Figure 5: Attaching the 19-inch Brackets for Wall-Mounting

Number-8 phillips flat-head screws (48-2927-01)1

Switch Installation

Wall-Mounting

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