HP AB232A Przewodnik Instalacji Pobierz pdf (Strona 43)

Glossary

43FCA2384 PCI-X Host Bus Adapter for OpenVMS and Tru64 UNIX Installation Guide

Media Manager (MM)

A database built into NetWare that keeps track of all peripheral storage devices

and media attached to NetWare servers, and allows applications to gain access and

get information. The Media Manager receives application I/O requests and

converts them to messages compatible with the NPA architecture.

Micron (mm)

Another term for micrometer. One millionth of a meter. 10

-6

meter.

Mode

A term used to describe a light path through a fiber, as in multi-mode or

single-mode.

Multi-initiators

Two different Fibre Channel HBAs in one arbitrated loop sharing the same

storage devices, but not communicating with each other.

Multi-Mode Fiber

An optical waveguide in which light travels in multiple modes. Typical

core/cladding sizes (measured in microns) are 50/125, 62.5/125, and 100/140.

Multiplexing

The process by which two or more signals are transmitted over a single

communications channel.

NetWare Peripheral Architecture (NWPA)

Network architecture that provides a broader and more reliable driver support for

third-party host adapters and storage devices. The NPWA separates NetWare

driver support into two components: a Host Adapter Module (HAM), and a

Custom Device Module (CDM). See also Custom Device Module and Host

Adapter Module.

Nanometer. A unit of measurement equal to one billionth of a meter. 10

-9

meter.

Non-OFC

Non-Open Fiber Control. GLMs that do not contain OFC control but still

guarantee laser emission levels to be below Class 1.

OFC

Open Fiber Control. A power monitoring/control system which continuously

monitors the optical fiber link between two ports and prevents any laser emission

from exceeding Class 1 levels in the event of a break anywhere in the path.

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HP AB232A Przewodnik Instalacji Strona 43