HP Surestore 64 HP Enterprise Connectivity Fabric Manager User's Guide - Page 226

system services processor Controls the RS-232 maintenance port, the Ethernet port, and the operator panel of a Fibre Channel Director. T Tivoli A suite of Enterprise management software products produced by a division of IBM. topology Logical and/or physical arrangement of stations on a network. trap Unsolicited notification of an event originating from a SNMP managed device and directed to an SNMP network management station. trap host SNMP management workstation that is configured to receive traps. trunk cable Cable consisting of multiple fiber pairs that do not directly attach to an active device. This cable usually exists between distribution panels and can be located within, or external to, a building. Contrast with jumper cable. U unblocked port Devices communicating with an unblocked port can login to the director and communicate with devices attached to any other unblocked port assuming that this is supported by the current zoning configuration). unicast Communication between a single sender and a single receiver over a network. Compare to multicast (communication between a single sender and multiple receivers) and 208 Glossary