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5

CAUTION

:

 The equipment connected to the switch 

must be set to operate in auto-negotiate or half 
duplex mode. Do not set to full duplex mode. Full 
duplex can only be achieved through auto- 
negotiation.

Connecting workstations and other equipment to 
your switch is easy. To connect a workstation to any 
of the switch’s eight 10BASE-T ports, or to either of 
the switch’s 10/100BASE-TX ports, use a 
‘straight-through’ TP cable. Refer to 

“Twisted Pair (TP) 

Cables”

 for further information.

If you are using port 10 to connect a workstation, 
ensure the MDI/MDIX switch is set to MDIX (out).

TP cables are very easy to use. To connect a cable, 
simply slot the connector into the relevant RJ45 port. 
When the connector is fully in, its latch locks it in 
place. To disconnect the cable, push the connector’s 
latch in and remove it.

The switch detects all port connections, so you can 
start using your network immediately. When you 
need more ports, simply add OfficeConnect units.

Connecting OfficeConnect Hubs to Your Switch

You can increase the number of workstations that 
can connect to your network by adding 
OfficeConnect hubs.

Connecting 10BASE-T Hubs

You can connect 10BASE-T OfficeConnect hubs to 
your switch using the following method 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 the switch (as shown in the diagram). Ensure that 
the port you use on the 100BASE-TX hub is an MDIX 
port: this may mean setting its MDI/MDIX switch to 
MDIX (out).

2

Set the MDI/MDIX switch on the switch to MDI (in).

Correct Connections for a 100BASE-TX Hub

You can also connect a 100BASE-TX hub to port 9 of 
the switch. To do this:

1

Connect the MDI/MDIX port of the 100BASE-TX hub 
to port 9 of the switch.

2

Set the MDI/MDIX switch on the 100BASE-TX hub to 
MDI (in).

Checking Hub Connections

When you have connected all your hubs, power on 
the hubs and the switch. The Port Status LEDs for the 
ports you have used on both the hubs and the switch 
should be on. If they are not, check your connections 
and the settings of the MDI/MDIX switches.

Spot Checks

At frequent intervals, visually check that:

Q

The Alert LED is off — this is the best way to find out 
if there are problems with your network

Q

Case vents are not obstructed

Q

Cabling is secure and not pulled taut

If you suspect a problem, refer to 

“Problem Solving

 

on page 7.

Summary of Contents for 3C16732

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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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