Using The Distributed Management Chain - HP AdvanceStack 10Base-T Hub-12 Installation And Reference Manual

Installing the HP AdvanceStack 10Base-T Hubs

Using the Distributed Management Chain

It is not necessary for each hub in a chain to be connected to the
computer that is running HP Stack Manager or an ASCII terminal. When
you have "chained" several hubs together through their Extension ports,
only one of the chained hubs needs to have a connection to the
computer. As described earlier, the connection can be either directly
through a serial cable, or remotely through a modem link.
Once the HP Stack Manager program or the ASCII terminal is started
and the connection is made to the stack, all the hubs in the chain are
automatically discovered and displayed by the HP Stack Manager. On
the ASCII console, the list of hubs is displayed by the CHainlist
command. You are then able to use either interface program to
configure, monitor, and diagnose other hubs in the chain.
The chain can extend up to
185 meters, end-to-end, and
PC connected by a serial
can include up to 16 hubs.
cable or modem link to one
of the hubs in the chain
twisted-pair cables
forming the chain
Hubs are chained together by connecting them through the Extension
ports on the front of the hub using standard "straight-through" 10Base-T
twisted-pair cables.
This "chained" connection is independent of any network
connections between hubs.
A maximum of 16 hubs can be chained together in a single chain. The
maximum total length of the twisted-pair cable segments in the chain
should not exceed 185 meters.
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