Fast EtherHub 3500 System User’s Guide
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 toMDI-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 100Wand has the same pin assignment as UTP. This cable should not be confused with the older 150Wcable type designed by IBM.
UTP (Unshielded Twisted-Pair)
Cable composed of insulated wires twisted together to reduce electrical interference.
Xmodem
Aprotocol used to transfer files between devices. Data is grouped in 128-bytes blocks and error- corrected.
