HP Surestore 64 HP Enterprise Connectivity Fabric Manager User's Guide - Page 221

nondisruptive maintenance Ability to service FRUs (including maintenance, installation, removal and replacement) while normal operations continue without interruption. See also concurrent maintenance. N_Port See node port. O offline sequence ( OLS) Sequence sent by the transmitting port to indicate that it is attempting to initialize a link and has detected a problem in doing so. optical cable Fiber, multiple fibers, or a fiber bundle in a structure built to meet optical, mechanical, and environmental specifications. See also jumper cable, optical cable assembly, and trunk cable. optical cable assembly Optical cable that is connector-terminated. See jumper cable and optical cable. optical fiber connector Hardware component that transfers optical power between two optical fibers or bundles and is designed to be repeatedly connected and disconnected. out-of-band management Transmission of management information using frequencies or channels other than those routinely used for information transfer. Glossary 203 Glossary