D-Link 824TP User Guide - Page 9

case of thin coaxial cable connection as treated

Page 9 highlights

to twist a 50-ohm terminator onto the remaining open leg of the BNC T. Sometimes several Ethernet Hubs must be colocated to support a larger array of stations than can be handled by a single Ethernet Hub. Then it is useful to stack the Ethernet Hubs by joining their BNC connectors with 0.5 meter patches of thin coaxial cable. Such stacking is just a special case of thin coaxial cable connection as treated above, and the terminator rule is the same: If the stack is at the end of the incoming cable, then a 50-ohm terminator must be substituted for the continuation cable shown in the stacking diagram below.

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to twist a 50-ohm terminator onto the remaining
open leg of the BNC T.
Sometimes several Ethernet Hubs must be co-
located to support a larger array of stations than
can be handled by a single Ethernet Hub.
Then it
is useful to stack the Ethernet Hubs by joining
their BNC connectors with 0.5 meter patches of
thin coaxial cable.
Such stacking is just a special
case of thin coaxial cable connection as treated
above, and the terminator rule is the same:
If the
stack is at the end of the incoming cable, then a
50-ohm terminator must be substituted for the
continuation cable shown in the stacking diagram
below.