SMC Networks SMC108DT Manuale utente

EZ Switch 10/100

• 8-Port Fast Ethernet Switch

• 8 10/100 auto-MDI/X ports – connect to PCs or

other switches or hubs

• Plug and Play – nothing to configure,no

crossover cables required

• Auto-negotiation of speed and duplex mode

• Full-duplex support on all ports

• Half- and Full-duplex flow control

• Desktop and wall-mountable

User Guide

SMC108DT

Information furnished by SMC Networks, Inc. (SMC) is believed to be

accurate and reliable. However, no responsibility is assumed by SMC for

its use, nor for any infringements of patents or other rights of third

parties which may result from its use. No license is granted by implica-

tion or otherwise under any patent or patent rights of SMC. SMC

reserves the right to change specifications at any time without notice.

SMC Networks Inc.

38 Tesla

Irvine, CA. 92618

Phone: (949) 679-8000

Trademarks:

SMC is a registered trademark; and EZ Switch is a trademark of SMC

Networks, Inc. Other product and company names are trademarks or

registered trademarks of their respective holders.

Limited Warranty

SMC's Limited Warranty

Limited Warranty Statement: SMC Networks, Inc. ("SMC") warrants its

products to be free from defects in workmanship and materials, under

normal use and service, for the applicable warranty term. All SMC

products carry a standard 90-day limited warranty from the date of

purchase from SMC or its Authorized Reseller. SMC may, at its own dis-

cretion, repair or replace any product not operating as warranted with

a similar or functionally equivalent product, during the applicable war-

ranty term. SMC will endeavor to repair or replace any product

returned under warranty within 30 days of receipt of the product.

The standard limited warranty can be upgraded to a Limited Lifetime*

warranty by registering new products within 30 days of purchase from

SMC or its Authorized Reseller. Registration can be accomplished via

the enclosed product registration card or online via the SMC web site.

Failure to register will not affect the standard limited warranty. The

Limited Lifetime warranty covers a product during the Life of that

Product, which is defined as the period of time during which the prod-

uct is an 'Active' SMC product. A product is considered to be ‘Active’

while it is listed on the current SMC price list. As new technologies

emerge, older technologies become obsolete and SMC will, at its dis-

cretion, replace an older product in its product line with one that incor-

porates these newer technologies. At that point, the obsolete product

is discontinued and is no longer an 'Active' SMC product.

All products that are replaced become the property of SMC.

Replacement products may be either new or reconditioned. Any

replaced or repaired product carries either a 30-day limited warranty

or the remainder of the initial warranty, whichever is longer. SMC is not

responsible for any custom software or firmware, configuration infor-

mation, or memory data of Customer contained in, stored on, or inte-

grated with any products returned to SMC pursuant to any warranty.

Products returned to SMC should have any customer-installed accesso-

ry or add-on components, such as expansion modules, removed prior

to returning the product for replacement. SMC is not responsible for

these items if they are returned with the product.

Customers must contact SMC for a Return Material Authorization num-

ber prior to returning any product to SMC. Proof of purchase may be

required. Any product returned to SMC without a valid Return Material

Authorization (RMA) number clearly marked on the outside of the

package will be returned to customer at customer’s expense. For war-

ranty claims within North America, please call our toll-free customer

support number at (800) 762-4968. Customers are responsible for all

shipping charges from their facility to SMC. SMC is responsible for

return shipping charges from SMC to customer.

WARRANTIES EXCLUSIVE: IF AN SMC PRODUCT DOES NOT OPERATE

AS WARRANTED ABOVE, CUSTOMER'S SOLE REMEDY SHALL BE

REPAIR OR REPLACEMENT OF THE PRODUCT IN QUESTION, AT SMC’S

OPTION. THE FOREGOING WARRANTIES AND REMEDIES ARE EXCLU-

SIVE AND ARE IN LIEU OF ALL OTHER WARRANTIES OR CONDITIONS,

EXPRESS OR IMPLIED, EITHER IN FACT OR BY OPERATION OF LAW,

STATUTORY OR OTHERWISE, INCLUDING WARRANTIES OR CONDI-

TIONS OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PUR-

POSE. SMC NEITHER ASSUMES NOR AUTHORIZES ANY OTHER PER-

SON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION WITH

THE SALE, INSTALLATION, MAINTENANCE OR USE OF ITS PRODUCTS.

SMC SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING

AND EXAMINATION DISCLOSE THE ALLEGED DEFECT IN THE PROD-

UCT DOES NOT EXIST OR WAS CAUSED BY CUSTOMER'S OR ANY

THIRD PERSON'S MISUSE, NEGLECT, IMPROPER INSTALLATION OR

TESTING, UNAUTHORIZED ATTEMPTS TO REPAIR, OR ANY OTHER

CAUSE BEYOND THE RANGE OF THE INTENDED USE, OR BY ACCI-

DENT, FIRE, LIGHTNING, OR OTHER HAZARD.

LIMITATION OF LIABILITY: IN NO EVENT, WHETHER BASED IN CON-

TRACT OR TORT (INCLUDING NEGLIGENCE), SHALL SMC BE LIABLE

FOR INCIDENTAL, CONSEQUENTIAL, INDIRECT, SPECIAL, OR PUNITIVE

DAMAGES OF ANY KIND, OR FOR LOSS OF REVENUE, LOSS OF BUSI-

NESS, OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNEC-

TION WITH THE SALE, INSTALLATION, MAINTENANCE, USE, PERFOR-

MANCE, FAILURE, OR INTERRUPTION OF ITS PRODUCTS, EVEN IF SMC

OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSI-

BILITY OF SUCH DAMAGES.

SOME STATES DO NOT ALLOW THE EXCLUSION OF IMPLIED WAR-

RANTIES OR THE LIMITATION OF INCIDENTAL OR CONSEQUENTIAL

DAMAGES FOR CONSUMER PRODUCTS, SO THE ABOVE LIMITATIONS

AND EXCLUSIONS MAY NOT APPLY TO YOU. THIS WARRANTY GIVES

YOU SPECIFIC LEGAL RIGHTS, WHICH MAY VARY FROM STATE TO

STATE. NOTHING IN THIS WARRANTY SHALL BE TAKEN TO AFFECT

YOUR STATUTORY RIGHTS.

* SMC will provide warranty service for one year following discontinu-

ance from the active SMC price list. Under the limited lifetime warran-

ty, internal and external power supplies, fans, and cables are covered

by a standard one-year warranty from date of purchase.

Compliances

FCC Class B

This equipment has been tested and found to comply with the limits for

a Class B digital device, pursuant to Part 15 of the FCC Rules. These

limits are designed to provide reasonable protection against harmful

interference in a residential installation. This equipment generates,

uses and can radiate radio frequency energy and, if not installed and

used in accordance with instructions, may cause harmful interference

to radio communications. However, there is no guarantee that the

interference will not occur in a particular installation. If this equipment

does cause harmful interference to radio or television reception, which

can be determined by turning the equipment off and on, the user is

encouraged to try to correct the interference by one or more of the

following measures:

. Reorient the receiving antenna

. Increase the separation between the equipment and receiver

. Connect the equipment into an outlet on a circuit in a different room

that to which the receiver is connected

. Consult the dealer or an experienced radio/TV technician for help.

Safety Compliance

Underwriters Laboratories Compliance Statement

Important! Before making connections, make sure you have the correct

cord set. Check it (read the label on the cable) against the following:

Operating Voltage

120 Volts

240 Volts (Europe Only)

Cord Set Specifications

UL Listed/CSA certified cord set

Minimum 18 AWG

Type SVT or SJT three conductor cord

Maximum length of 15 feet

Parallel blade, grounding type attach-

ment plug rated 15A, 125V

Cord Set with H05VV-F cord having

three conductors with minimum diam-

eter of 0.75 mm2

IEC-320 receptacle

Male plug rated 10 A, 250V

The unit automatically matches the connected input voltage.

Therefore, no additional adjustments are necessary when connecting it

to any input voltage within the range marked on the rear panel.

TABLE OF CONTENTS

TABLE OF CONTENTS..........................................................................................4

Features and Benefits..........................................................................................5

Top Panel LEDs......................................................................................................6

INSTALLING THE SWITCH....................................................................................7

Selecting a Site......................................................................................................8

Instructions.............................................................................................................8

SAMPLE APPLICATIONS......................................................................................9

Standalone LAN.....................................................................................................9

High-Speed Switch links......................................................................................9

TROUBLESHOOTING...........................................................................................10

Probable Causes...................................................................................................10

Possible Solutions................................................................................................10

CABLES....................................................................................................................11

Cable Specifications.............................................................................................11

Cable Types and Specifications.........................................................................11

Twisted-Pair Cable and Pin Assignments........................................................11

Straight-through RJ-45 Pin Assignment.........................................................11

Connectivity Guidelines.......................................................................................11

Maximum Fast Ethernet Network Diameter..................................................12

SPECIFICATIONS...................................................................................................12

Filtering/Forwarding/Learning Rates..............................................................12

Size..........................................................................................................................12

Weight.....................................................................................................................12

Temperature..........................................................................................................12

Humidity, non-condensing..................................................................................12

Power Requirements...........................................................................................13

ABOUT THE EZ Switch 10/100

The EZSwitch 10/100 SMC108DT is an 8-port Fast Ethernet switch. The

10BASE-T/100BASE-TX ports deliver dedicated 10/100Mbps links to each

attached LAN segment – all with conventional cabling and adapters.

Auto-Negotiation is used to select the optimal communication mode

for each connection. Auto-sensing is used to select the optimal trans-

mission speed for each connection. With store-and-forward switching

and flow control, maximum data integrity is always maintained, even

under heavy loading. Easy installation and reliability make this plug-

and-play switch an ideal choice for smooth Fast Ethernet integration.

Features and Benefits

. Auto-negotiation of half or full duplex, and auto-sensing of transmis-

sion speed, on all ports

. Auto configuration for MDI/MDI-X cable connection allows connec-

tions to servers, workstations, hubs or switches to be made with

straight-through cabling

. ANSI/IEEE802.3u compliance ensures compatibility with standards-

based hubs, switches and cards from any vendor

. store-and-forward switching ensures error-free transmission

. half- and full-duplex flow control prevents packets from being

dropped under heavy loading

. plug-and-play

. ‘At-a-glance’ LEDs for port and system status monitoring

. Desktop and wall mountable

Top Panel LEDs

The top panel of the switch provides a link status LED for each RJ-45

PORT. In addition, the front panel also contains status LEDs for ‘at-a-

glance’ system monitoring. The following table details the functions of

the various kinds of indicators:

LED

Power

RJ-45 Ports

100M

Link/Act

Condition

On Green

Off

Status

The switch is receiving

power

Communications have

been set to 100Mbps

Communications have

been set to 10Mbp

The port has estab-

lished a valid network

connection

Port and Switch status LEDs

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