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EtherHub 1500 System User’s Guide
Applications 5-9
Linking Distributed Segments
Hubs installed at various sites can be managed by a single
EtherHub 1500 Agent when they are connected to the Agent via
the FlexBus 1500 port connection. However, all hubs must be
connected to the same segment at the central site. The segment
setting for hubs at all other sites must be set to isolated. (Refer to
the
Segment Setting function in Chapter 4.) Hubs within the remote
stacks can remain isolated or be connected to hubs within the
same location using the STP daisy-chain or the ALT PORT
connection. The maximum segment length using FlexBus 1500
cabling linking the distributed hubs is 100 meters.
AccView Station
Di
s
tri
bu
t
ed
M
u
lti-
Seg
m
e
nt Envir
o
nm
e
nt
EtherHub1500 AGENT
EtherHub1500 HUB
Se
g
ment 1
Se
g
ment 1
Se
g
ment 1
Se
g
ment 1
Se
g
ment 1
EtherHub1500 HUB
U
p
to 100m
,
mana
g
ed
by a single SNMP agent
Ce
n
t
r
a
l
S
i
te
ACCVIEW
EtherHub1500
Remote Site #1
Se
g
ment x
EtherHub1500
Cascaded by
STP Cable
Se
g
ment x
FlexBus1500
Segment y
Segment y
Segment y
R
e
m
ote
S
i
te
#2
Connected b
y
Coax Cable
EtherHub1500 HUB
EtherHub1500 HUB
EtherHub1500 HUB
EtherHub1500 HUB
EtherHub1500 HUB
~
~
~
~
Figure 5.9 Linking Distributed Multi-Segments