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26 C
HAPTER
2: I
NSTALLING
THE
S
WITCH
Stacking Units
Units in the Switch 1100/3300 family can be stacked together and then
treated as a single manageable unit with one IP address.
The Matrix Port on the rear of the Switch allows you to connect two
Switch units back-to-back. For this you need a Matrix Cable (part number
3C16965). Contact your supplier for details.
The Switches in a stack are numbered 1 to 4, from the bottom up, for
management purposes. The SuperStack 3 Switch 3300 MM will always
be identified as Unit 1 and should therefore be positioned at the bottom
of the stack.
Stacking Two Units
You can stack two Switch units with a single Matrix Cable. To do this:
1
Power-off both units.
2
Arrange the units as required. They can be rack-mounted or
free-standing; if you choose to have them free-standing, remember to
position the rubber feet as detailed in “Placing Units On Top of Each
Other” on page 25. When positioning the units, note that Matrix Cables
are 1m (3.28ft) long.
3
Connect one end of the Matrix Cable to the Matrix Port of the top
Switch, and the other end to the Matrix Port of the lower Switch (See
Figure 8
).
4
If you use the management software of the units:
■
Ensure that both units have the same version of management
software
■
Ensure that you re-configure the stack-wide features on both units
For more information about management software, see “Managing the
Switch” on page 32.