Connectivity Rules - D-Link DFE-916x User Manual

Hubs should not be added to the stack or removed from the stack while the
power is on to any hub in the stack. Always turn off power to the entire
stack before adding or removing hubs.

Connectivity Rules

Ethernet (10Mbps) networks have the following connectivity rules:
The maximum length of a twisted-pair cable segment is 100 meters.
Cabling should be Category 3 or better.
Between any two end-stations in a collision domain, there may be up
to five cable segments and four intermediate repeaters (hubs, hub
stacks, or other repeaters).
If there is a path between any two end-stations containing five seg-
ments and four repeaters, then at least two of the cable segments
must be point-to-point link segments (e.g., 10BASE-T or 10BASE-
20 Making Connections