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Stackable Personal Hubs Installation and User Guide (04/01)
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Stackable Personal
Hubs may also be used as a
stand-alone network for a
personal multi-user system
such as shown below. Up to
eight RJ-45 user ports are
available where only 10BASE-T wiring is used, and full-length Ethernet segments are
supported on all ports. In this application, the Up-Link switch is in the straight-through or
“==” position so that port 8 is a user port, not an up-link to another hub.
When network requirements exceed the capacity of a single ST80, additional
hubs may be stacked to form a single logical hub. This stacking capability allows one to
build larger networks that are in compliance with the “four repeater rule” specified in the
Ethernet standards. As with a single ST80 unit, a stack may be connected to a backbone
through any standard Ethernet media. A stack of ST80s may also be cascaded as a unit
into another stack or hub.
Magnum ST80 Stackable Personal Hub
Ports 1 2 3 4 5 6 7 8
PWR AUI
I
R
B
1
I
R
B
2
Stack E nable
O
FF ON
UP-LINK
Personal Workgroup
Port 8 Switchable
Up-Link set to “==”
Rear port(s) may be used
for additional user(s).
Magnum ST80 Stackable Personal Hub
Ports 1 2 3 4 5 6 7 8
PWR AUI
I
R
B
1
I
R
B
2
St
a
c
k
En
a
b
l
e
O
F
F
ON
UP-LINK
Fiber backbone
connection
Up-Link
set to “X”
Magnum ST80 Stackable Personal Hub
Ports 1 2 3 4 5 6 7 8
PWR AUI
IR
B
1
I
R
B2
Stac
k
En
a
ble
OFF
ON
UP-LINK