SMC Networks SMC9462TX User Manual page 56

Network Diameter
Wire distance between two end stations in the same collision
domain.
Switched Ports
Ports that are on separate collision domains or LAN segments.
Transmission Control Protocol/Internet Protocol (TCP/IP)
Protocol suite that includes TCP as the primary transport protocol,
and IP as the network layer protocol.
UTP
Unshielded twisted-pair cable.
Glossary-4