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Welcome to the world of networking with 3Com

®

.

In the modern business environment, communication 
and sharing information is crucial. Computer 
networks have proved to be one of the fastest modes 
of communication but until recently only large 
businesses could afford the networking advantage. 
The OfficeConnect

®

 product range from 3Com has 

changed this, bringing networks to the small office.

As the power of workstations and business 
applications increases, heavier demands are made on 
the available network bandwidth that, if unchecked, 
can lead to performance problems in a hub-based 
setup. Installing the OfficeConnect Switch 280 allows 
your network to be segmented so that traffic can be 
contained effectively, reducing the overall load 
without affecting access to critical resources.

The switch is ideal for use with other OfficeConnect 
products. It is compact and attractively designed for 
desktop use. It is part of the OfficeConnect range 
which neatly stacks together with clips, providing a 
range of facilities. For information on these products, 
see the “OfficeConnect Product Range”  sheet that 
accompanies this product.

When referring to the OfficeConnect Switch 280, this 
guide uses the term ‘switch’.

Small Network with OfficeConnect Switch (Circle Shows Units Clipped Together)

The switch has eight 10BASE-T ports and two 
10/100BASE-TX ports. This allows you to set up a 
network with both 10BASE-T and 100BASE-TX hubs 
and workstations.

This guide helps you get the most out of your switch.

I

NTRODUCTION

O

FFICE

C

ONNECT

®

 S

WITCH

 280

3C16732

U

SER

 G

UIDE

Part No. 
DUA1673-2AAA02

Published
January 1998

O

FFICE

C

ONNECT

®

 S

WITCH

 280

3C16732

U

SER

 G

UIDE

Содержание 3C16732

Страница 1: ...ng the overall load without affecting access to critical resources The switch is ideal for use with other OfficeConnect products It is compact and attractively designed for desktop use It is part of the OfficeConnect range which neatly stacks together with clips providing a range of facilities For information on these products see the OfficeConnect Product Range sheet that accompanies this product...

Страница 2: ...ork Loop occurs when two pieces of network equipment are connected by more than one path A Segment is the length of cable connected to a port Packets are the units of information your workstations and other equipment send to each other over the network A Frame is the data part of the packet and can be Unicast sent to a single device Multicast sent to multiple devices or Broadcast sent to all devic...

Страница 3: ... switch protects your investments because it also maintains 10BASE T connections to your original network equipment Before You Start Your OfficeConnect switch comes with Q One power adapter for use with the switch Q One power cord Q A Warranty Registration card for you to fill out and return Q Four rubber feet Q Four stacking clips Q An OfficeConnect Product Range sheet Q This guide Hub Connection...

Страница 4: ...se is not restricted We recommend you provide a minimum of 25mm 1in clearance Wall Mounting the OfficeConnect Switch There are two slots on the underside of the OfficeConnect switch which are used for wall mounting You can mount the unit with the LEDs facing upwards or downwards to suit your needs When wall mounting the unit ensure that it is within reach of the power outlet You need two suitable ...

Страница 5: ...od for each hub 1 Connect the MDI MDIX port of the 10BASE T hub to any of the switch s 10BASE T ports as shown in the diagram below 2 Set the MDI MDIX switch on the 10BASE T hub to MDI in Correct Connections for a 10BASE T Hub Connecting 100BASE TX Hubs You can connect a 100BASE TX OfficeConnect hub to your switch using the following method 1 Connect any port of the 100BASE TX hub to port 10 of th...

Страница 6: ...minal d au moins 10 A La prise femelle de branchement doit être du type à mise à la terre mise à la masse et respecter la configuration NEMA 5 15P 15 A 125 V ou NEMA 6 15P 15 A 250 V ACHTUNG Die Warnungen enthalten Anweisungen die Sie zur eigenen Sicherheit zu befolgen haben Lesen Sie bitte die folgenden Informationen sorgfältig durch bevor Sie das Gerät einbauen Q Auf besondere Vorsicht muß währe...

Страница 7: ...ve the loop Each piece of equipment needs only one connection to your switch Q Excessive amounts of broadcast frames Some pieces of network equipment operate by sending out broadcast frames regularly Refer to the documentation that accompanies the piece of network equipment If the Alert LED is still lit after removing all of your connections there may be a problem with your unit Power it off wait ...

Страница 8: ...NOT OPERATE AS WARRANTED ABOVE CUSTOMER S SOLE REMEDY FOR BREACH OF THAT WARRANTY SHALL BE REPAIR REPLACEMENT OR REFUND OF THE PURCHASE PRICE PAID AT 3COM S OPTION TO THE FULL EXTENT ALLOWED BY LAW THE FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER WARRANTIES TERMS OR CONDITIONS EXPRESS OR IMPLIED EITHER IN FACT OR BY OPERATION OF LAW STATUTORY OR OTHERWISE INCLUDING ...

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