Cisco SG350X-24P Manuale utente

Quick Start Guide

Cisco 350X Series Managed Switches

2 Cisco 350X Series Managed Switches

Welcome

Thank you for choosing the Cisco 350X Series Managed Switches. The

switches are designed to be operational right out-of-the-box as standard

layer 2 and 3 switches. Using the default configuration, your switch

forwards packets between the connecting devices after power up.

This guide familiarizes you with the switch layout and describes how to

deploy the switch in your network. For additional information, see

www.cisco.com/go/350xswitches.

Package Contents

•Your Cisco 350X Series Managed Switch

•Power Cord

•Rack-Mount Kit and Rubber Feet

•DB-9 to RJ45 Serial Cable

•Quick Start Guide

•Pointer Card with China RoHS

•Technical Support Contacts

•EU Directives 1999/5/EC Compliance Information (for EU SKU only)

Before You Begin

Before you begin the installation, make sure that you have the following:

•RJ-45 Ethernet cables for connecting network devices. A category 6a

and higher cable is required for 10G ports; a category 5e and higher

cable is required for all other ports.

•Console cable for using the console port to manage your switch.

•Tools for installing the hardware. The rack-mount kit packed with the

switch contains four rubber feet for desktop placement, and two

brackets and twelve screws for rack-mounting. If the supplied screws

are lost, use replacement screws in the following size:

– Diameter of the screw head: 6.9 mm

– Length of face of screw head to base of screw: 5.9 mm

– Shaft diameter: 3.94 mm

Cisco 350X Series Managed Switches 3

•Computer with Internet Explorer (version 9.0, 10.0, 11.0), or Firefox

(version 36.0, 37.0 or higher), or Chrome (version 40,41,42 or higher) for

using the web-based interface or the console port to manage your

switch.

Mounting the Cisco 350X Series Switches

Your switch can be installed in the following ways:

•Place the switch on a flat surface. To place the switch on a desktop,

install the four rubber feet (included) on the bottom of the switch.

•Mount the switch in a standard rack (1 rack unit high).

Placement Tips

Do not deploy the switch in a location where any of the following

conditions exist:

•AmbientTemperature—To prevent the switch from overheating, do not

operate it in an area that exceeds an ambient temperature of 122°F

(50°C).

•AirFlow—Be sure that there is adequate air flow around the switch.

• Mechanical Loading—Be sure that the switch is level and stable to

avoid any hazardous conditions.

• Circuit Overloading—Adding the switch to the power outlet must not

overload that circuit.

Rack Mounting

You can mount the switches in any standard size, 19-inch (about 48 cm)

wide rack. The switch requires 1 rack unit (RU) of space, which is 1.75

inches (44.45 mm) high.

CAUTION For stability, load the rack from the bottom to the top, with the

heaviest devices on the bottom. A top-heavy rack is likely to

be unstable and might tip over.

4 Cisco 350X Series Managed Switches

To install the switch into a 19-inch standard chassis:

STEP 1Place one of the supplied brackets on the side of the switch so that

the four holes of the brackets align to the screw holes, and then use

the four supplied screws to secure it.

STEP 2Repeat the previous step to attach the other bracket to the opposite

side of the switch.

STEP 3After the brackets are securely attached, the switch is now ready

to be installed into a standard 19-inch rack.

Connecting Network Devices

To connect the switch to the network:

STEP 1Connect an Ethernet cable to the Ethernet port of a computer,

printer, network storage, or other network devices.

STEP 2Connect the other end of the Ethernet cable to one of the

numbered Ethernet ports of the switch.

The Ethernet port light turns green when the connection is active.

Refer to Cisco 350X Series Switch Features for details about the

different ports and LEDs on each switch.

400925

Cisco 350X Series Managed Switches 5

STEP 3Repeat Step 1 and Step 2 for each device that you want to

connect to the switch.

NOTE A category 6a and higher cable is required for 10G ports; a category

5e or higher cable is required for all other ports. When you connect your

network devices, do not exceed the maximum cabling distance of 100

meters (328 feet). It can take up to one minute for the attached devices

or the LAN to be operational after it is connected. This is normal behavior.

Power over Ethernet Considerations

WARNING The switch is to be connected only to PoE networks without

routing to the outside plant.

If your switch is one of the Power over Ethernet (PoE) models, consider the

following power requirement:

*60-Watt PoE extends the IEEE Power of Ethernet Plus standard to double

the power per port to 60 Watts.

350 Switches with Power Over Ethernet

Model Power

Dedicated

to Poe

Number of Ports

Supporting Poe

Poe Standard

Supported

SG350X-24P 195 Watts 1–24

*60-Watt UPoE: ports

1, 2, 13, 14

802.3af/at

60 -Watt PoE

802.3af/at, 4 pair

PoE, Rest af/at

SG350X-24MP 382 Watts

SG350X-48P 382 Watts 1–48

*60-Watt UPoE: ports

1, 2, 3, 4, 25, 26, 27, 28

SG350X-48MP 740 Watts

SG350X-8PMD 240 Watts 1–24

*60-Watt UPoE: ports

5, 6, 7, 8

SG350X-24PD 375 Watts 1–24

*60-Watt UPoE: ports

11, 12, 23, 24

6 Cisco 350X Series Managed Switches

CAUTION Consider the following when connecting switches capable of

supplying PoE:

The PoE models of the switches are PSE (Power Sourcing

Equipment) that are capable of supplying DC power to

attaching PD (Powered Devices). These devices include VoIP

phones, IP cameras, and wireless access points. The PoE

switches can detect and supply power to pre-standard

legacy PoE Powered Devices. Due to the support of legacy

PoE, it is possible that a PoE switch acting as a PSE may

mistakenly detect and supply power to an attaching PSE,

including other PoE switches, as a legacy PD.

Even though PoE switches are PSE, and as such should be

by another PSE due to false detection. When this happens,

the PoE switch may not operate properly and may not be

able to properly supply power to its attaching PDs.

To prevent false detection, you should disable PoE on the

ports on the PoE switches that are used to connect to PSEs.

You should also first power up a PSE device before

connecting it to a PoE switch. When a device is being falsely

detected as a PD, you should disconnect the device from the

PoE port and power recycle the device with AC power

before reconnecting its PoE ports.

Configuring the 350X Series Switches

Before You Begin

The switch can be accessed and managed by two different methods; over

your IP network using the web-based interface, or by using the switch’s

command-line interface through the console port. Using the console port

requires advanced user skills.

These are the default settings used when configuring your switch for the

first time.

Parameter Default Value

Username cisco

Password cisco

LAN IP 192.168.1.254

454

Cisco 350X Series Managed Switches 7

Configuring Your Switch Using the Web-based Interface

To access the switch with a web-based interface, you must know the IP

address that the switch is using. The switch uses the factory default IP

address of 192.168.1.254, with a subnet of /24.

When the switch is using the factory default IP address, the System LED

flashes continuously. When the switch is using a DHCP server-assigned IP

address or an administrator has configured a static IP address, the System

LED is a steady green (DHCP is enabled by default).

NOTE If you are managing the switch through a network connection and

the switch IP address is changed, either by a DHCP server or manually,

your access to the switch will be lost. You must enter the new IP address

that the switch is using into your browser to use the web-based

interface. If you are managing the switch through a console port

connection, the link is retained.

To configure the switch using the web-based interface:

STEP 1Power on the computer and your switch.

STEP 2For Cisco 350XG switches, connect the computer to the OOB port

found on the front panel. For Cisco 350X switches, connect the

computer to any network port.

STEP 3Set up the IP configuration on your computer.

a. If the switch is using the default static IP address of

192.168.1.254/24, you must choose an IP address for the

computer in the range of 192.168.1.2 to 192.168.1.253 that is

not already in use.

b. If the IP addresses will be assigned by DHCP, make sure that

your DHCP server is running and can be reached from the

switch and the computer. You may need to disconnect and

reconnect the devices for them to discover their new IP

addresses from the DHCP server.

NOTE Details on how to change the IP address on your computer

depend upon the type of architecture and operating system that

you are using. Use your computers local Help and Support

functionality and search for “IP Addressing.”

STEP 4Open a web browser window. If you are prompted to install an

ActiveX plug-in when connecting to the device, follow the prompts

to accept the plug-in.

STEP 5Enter the switch IP address in the address bar and press Enter. For

example, http://192.168.1.254.

8 Cisco 350X Series Managed Switches

STEP 6When the login page appears, choose the language that you prefer

to use in the web-based interface and enter the username and

password.

The default username is cisco. The default password is cisco.

Usernames and passwords are both case sensitive.

STEP 7Click Log In.

If this is the first time that you have logged on with the default

username and password, the Change Password page opens. The

rules for constructing a new password are displayed on the page.

STEP 8Enter a new password and confirm the password.

NOTE Password complexity is enabled by default. The password

must comply with the default complexity rules or it can be disabled

temporarily by checking Disable next to the Password Strength

Enforcement option.

STEP 9Click Apply.

CAUTION Make sure that any configuration changes made are saved

before exiting from the web-based interface by clicking on

the Save icon. Exiting before you save your configuration

results in all changes being lost.

The Getting Started page opens. You are now ready to configure

the switch. Refer to the Administration Guide or see the help pages

for further information.

Cisco 350X Series Managed Switches 9

Configuring Your Switch Using the Console Port

To configure the switch using the console port:

STEP 1Connect a computer to the switch console port using the supplied

console cable.

STEP 2Start a console port utility such as HyperTerminal on the computer.

STEP 3Configure the utility with the following parameters:

•115200 bits per second

•8 data bits

•no parity

•1 stop bit

•no flow control

STEP 4Enter a username and password. The default username is cisco,

and the default password is cisco. Usernames and passwords are

both case sensitive.

If this is the first time that you have logged on with the default

username and password, the following message appears:

Please change your password from the default

settings. Please change the password for better

protection of your network. Do you want to change

the password (Y/N) [Y]?

STEP 5Enter Y, and set a new administrator password.

NOTE Password complexity is enabled by default. The password

must comply with the default complexity rules.

CAUTION Make sure that any configuration changes made are saved

before exiting.

You are now ready to configure the switch. Refer to www.cisco.com/go/

350xswitches to locate the CLI Guide for your switch.

NOTE If you are not using DHCP on your network, set the IP address type

on the switch to Static and change the static IP address and subnet

mask to match your network topology. Failure to do so may result in

multiple switches using the same factory default IP address of

192.168.1.254.

10 Cisco 350X Series Managed Switches

Stacking the Cisco 350XG Series Switches

Before configuring the switches as a stack, refer to the Administration

Guide for additional details. Refer to the front panel graphics in Cisco

350X Series Switch Features to help with the stack port descriptions and

supported modules.

By default, the ports on a switch function as regular Ethernet ports, except

if you configure them to do stacking. You cannot mix the stack speeds

between the switches or ports.

WARNING Stack ports must be either configured with the same port

speed or have the same speed capability on the module or

cable plug in. If the port speed is configured as auto, then the

module plugged into these two ports will need to have the

same speed capability, otherwise the switch will not be able to

form as a stack with multiple units.

A stack can have up to four Cisco 350XG series switches in it. Any 10G

port of the switch can be used for stacking. The switch can only be

stacked without Mesh topology.

The switches in the same stack are connected together through their stack

ports. Depending on the type of stack ports and the desired speed, you

may need Cat6a Ethernet cables and/or Cisco approved modules or

cables for the Cisco 350XG switches.

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