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CHAPTER 2
Intel Express 100BASE-T4 Stackable Hub
Installing Uplink Modules
You can install an optional 100BASE-TX or 100BASE-FX uplink
module in the media adapter slot. Install these modules before
connecting power to the hub. If you install these modules when the hub
is powered, the hub may reset, temporarily suspending port
connectivity in the hub.
For more information on installing uplink modules, see the
documentation that ships with the modules.
CAUTION
Check that the screw locks on
the cable connectors are fully
tightened and the cable con-
nection is secure. A faulty
cable connection could dis-
rupt the operation of the
entire stack.
Removing a Hub from a Stack
To remove the hub from a rack
1 Disconnect power to the hub by unplugging the power cable.
2 Disconnect the appropriate cascade cables.
3 Use a #2 Phillips screwdriver to loosen the screws that secure each
mounting bracket to the rack.
4 Remove the screws from the mounting bracket while supporting
the bottom of the hub, then carefully remove the hub from the rack.
To remove the hub from a stack that is mounted on a table
or shelf
Gently lift any hubs stacked on top of the hub you want to remove, then
carefully remove that hub from the stack.
After you’ve removed the hub from the stack, connect the free end of
the cascade cable connected to the Cascade Down connector on the top
hub to the Cascade Up connector on the bottom hub.
CAUTION
When you remove a hub from
the middle of the stack (any
hub located between two
operating hubs) and don’t
reattach the cascade cables,
you split the Ethernet segment
into two separate segments.
NOTE
When you install an uplink
module in the hub’s media
adapter slot, port 1 is dis-
abled.