HP StorageWorks 2/64 HP StorageWorks Fabric OS 5.x Command Reference Guide (AA - Page 799
Class F service, Conformité Européenne.
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cascade Two or more interconnected Fibre Channel switches. HP StorageWorks 1 GB/s switches and later switches can be cascaded up to 239 switches, with a recommended maximum of seven interswitch links (no path longer than eight switches). See also fabric, ISL. CDR Clock and data recovery circuitry. CE Conformité Européenne. CFG Configuration. CFN Change fabric name. Refers to an ELS field that appears in portLogDump command output. chassis The metal frame in which the switch and switch components are mounted. CIM Common Information Model. A management structure enabling disparate resources to be managed by a common application. Class 1 service The class of frame-switching service for a dedicated connection between two communicating ports (also called connection-oriented service). Includes acknowledgement of frame delivery or nondelivery. Class 2 service A connectionless class of frame-switching service that includes acknowledgement of frame delivery or nondelivery. Class 3 service A connectionless class of frame-switching service that does not include acknowledgement of frame delivery or nondelivery. Can be used to provide a multicast connection between the frame originator and recipients, with acknowledgement of frame delivery or nondelivery. Class 4 service A connection-oriented service that allows fractional parts of the bandwidth to be used in a virtual circuit. Class 6 service A connection-oriented multicast service geared toward video broadcasts between a central server and clients. Class F service The class of frame-switching service for a direct connection between two switches, allowing communication of control traffic between the E_Ports. Includes acknowledgement of data delivery or nondelivery. class of service A specified set of delivery characteristics and attributes for frame delivery. CLS Close primitive signal. Used only in an arbitrated loop. Sent by an L_Port that is currently communicating in the loop, to close communication with another L_Port. CM Central memory. CMA Central memory architecture. An architecture centralizing memory usage in switches. CMBISR Central memory built-in self-repair. CMT Central memory test. comma A unique pattern (either 1100000 or 0011111) used in 8b/10b encoding to specify character alignment within a data stream. community (SNMP) A relationship between a group of SNMP managers and an SNMP agent, in which authentication, access control, and proxy characteristics are defined. See also SNMP. compact flash Flash (temporary) memory that is used in a manner similar to hard disk storage. It is connected to a bridging component that connects to the PCI bus of the processor. Not visible within the processor's memory space. Fabric OS 5.x command reference guide 799
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