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Fast EtherHub 3500 System User’s Guide
Glossary 5
Station Port (MDI-X)
MDI-X ports which are used for connecting the hub to any workstation or server that has a properly
installed network adapter card. (For port 12, the selector switch must be set to
MDI-X.)
STP (Shielded Twisted-Pair)
100W Category 5 twisted-pair wire covered with an external aluminum-foil or woven-copper shield
designed to reduce excessive noise pick up or radiation. The STP cable refered to in this manual is
also sometimes called screened twisted-pair (ScTP). Its impedance is 100
Wand has the same pin
assignment as UTP. This cable should not be confused with the older 150
Wcable type designed by
IBM.
UTP (Unshielded Twisted-Pair)
Cable composed of insulated wires twisted together to reduce electrical interference.
Xmodem
A protocol used to transfer files between devices. Data is grouped in 128-bytes blocks and error-
corrected.