HP StorageWorks 2/140 CLI reference guide for directors and edge switches - Page 208
Each Director 2/64 UPM card provides four 2.125 Gbps Fibre Channel connections through
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trunk cable Cable consisting of multiple fiber pairs that do not directly attach to an active device. This cable usually exists between distribution panels. See also optical cable, contrast with jumper cable. unblocked port Devices attached to an unblocked port can login to the Director or Edge Switch and communicate with devices attached to any other unblocked port. unicast Communication between a single sender and a single receiver over a network. Compare to multicast (communication between any sender and the nearest of a group of receivers). universal port module (UPM) card Each Director 2/64 UPM card provides four 2.125 Gbps Fibre Channel connections through duplex small form factor (SFF) pluggable fiber-optic transceivers. UPM card See universal port module card. vital product data (VPD) System-level data stored by the backplane in the electrically erasable programmable read-only memory. This data includes serial numbers and identifies the manufacturer. VPD See vital product data. warning message Indication that a possible error has been detected. See also error message; information message. World Wide Name (WWN) Eight-byte address that uniquely identifies a Switch, or a node (end device) on global networks. zone Set of devices that can access one another. All connected devices may be configured into one or more zones. Devices in the same zone can see each other. Those devices that occupy different zones cannot. zone member Specification of a device to be included in a zone. A zone member can be identified by the port number of the Director or Edge Switch to which it is attached or by its World Wide Name. In multiswitch fabrics, identification of end-devices/nodes by World Wide Name is preferable.
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