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HP 100Base-T Hubs Installation and Reference Guide
4 Glossary
SNMP (Simple Network Management Protocol)
The application protocol offering network management services in the Internet suite of protocols.
Stacking Ports
SCSI ports found at the back of the HP 100Base-T Hub labeled In and Out. These ports are used for
linking the hub to other compatible hubs using HPs Stacking Cable.
Star Topology
Physical connections for RJ-45 ports are limited to a star configuration (i.e., similar to a hub and spoke
arrangement). This topology also requires that only one path exists between any two nodes, and that
data transmitted by any node is concurrently available to all other nodes within the same local network
(i.e., immediate collision domain).
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 LAN adapter. (For port 12/24, the selector switch must be set to
12MDI-X/24MDI-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.
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.
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