Cabletron Systems STHI User Manual page 16

DAISY-CHAIN MAU CONFIGURATION
they are connected as single collective entity.
to isolate the hub from a single beaconing station.
All stations lose connection if beaconing occurs on any station.
Ring
Out
Ring
In
Hub with
Ring In / Ring Out
RING OUT TCU MAU CONFIGURATION
When each MAU is individually connected to the STHi hub,
to isolate the hub from a beaconing MAU station.
The stations on that MAU still go down,
but the remaining MAUs and their stations stay operational.
Ring
Out
Ring
Out
Ring
Out
Ring
Out
STHi TCUs
Figure 1-2. Improved Beacon Recovery Resolution for MAUs
When MAUs are daisy-chained,
The entire chain must be bypassed
only one MAU must be bypassed
Ring
(8 Stations)
In
Ring
(8 Stations)
In
Ring
(8 Stations)
In
Ring
(8 Stations)
In
Ring
(8 Stations)
In
Ring
(8 Stations)
In
Ring
(8 Stations)
In
Ring
(8 Stations)
In
STHI Overview
Ring
Out
Ring
Out
Ring
Out
Ring
Out
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