ATTO Technology FC-44ES, FC-42ES, FC-41ES, FC-41EL, FC-42XS, FC-41XS, FC-21PS operation manual Led

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Term

Definition

fabric

a Fibre Channel switch of two or more Fibre Channel switches interconnected to physically

 

transmit data between any two N_Ports on the switch or switches

FC

Fibre Channel

F_port

a port in the Fibre Channel fabric where a N_port may attach

FL_port

a port in the Fibre Channel fabric where a NL_port may attach in an arbitrated loop

frame

an indivisible unit for transfer of information in Fibre Channel

frame header

the first field in the frame containing the address and other control information about the frame

full-duplex

a communication protocol which allows transmission in both directions at the same time

half duplex

a communication protocol which allows transmission in both directions, but only one direction at a

 

time

host

a processor, usually a CPU and memory, which communicates with devices over an interface

initiator device

a component which originates a command

L_port

a port in an arbitrated loop, either a NL_port or a FL_port

LED

Light-emitting diode: a type of diode that emits light when current passes through it; visible LEDs

 

are used as indicator lights on all sorts of electronic devices

LUN

Logical Unit Number: an identifier for a logical unit (0-7)

multi-mode fiber

an optical fiber which can carry several beams of light at once

N_port

a port attached to a node used with point to point or fabric configurations

NL_ port

a port attached to a node in Fibre Channel arbitrated loop or fabric loop configuration

originator

an initiating device; a component which originates a command

parity checking

a method which verifies the accuracy of data transmitted over the SCSI bus by adding one bit in

 

the transfer to make the sum of all the bits either odd or even (for odd or even parity); an error

 

message occurs if the sum is not correct

PCI

Peripheral Component Interconnect. Allows peripherals to be connected directly to computer

 

memory, bypassing the slower ISA and EISA busses

point-to-point

a topology where two ports communicate

port

an access point in a device: see N_port, NL_port, etc.

port address

also port number; the address, assigned by the PCI bus, through which commands are sent to a

 

host adapter board

port number

see port address

receiver

the ultimate destination of data transmission; a terminal device

scatter/gather

a device driver feature which allows the host adapter to modify a transfer data pointer so that a

 

single host adapter can access many segments of memory, minimizing interrupts and transfer

 

overhead

SCSI

Small Computer Systems Interface: a processor-independent standard for system-level interface

 

between a computer and intelligent devices including hard disks, floppy disks, CD-ROM, printers,

 

scanners, etc.

single-mode fiber

an optical fiber with a small core which supports one wavelength (ray of light); the core radius is

 

nearly equal to the wavelength of the source

topology

logical layout of the parts of a computer system or network and their interconnections

transceiver

a transmitter/receiver module

transfer rate

the rate at which bytes or bits are transferred, as in megabytes or gigabits per second

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Contents Atto Celerity Fibre Channel Host Adapters Atto Technology, Inc Contents Celerity FC-44ES Adapter Atto provides Fibre Channel solutionsCelerity FC-42ES Adapter Celerity FC-41ES Adapter Celerity FC-41EL Adapter Celerity FC-42XS Adapter PCI bus specificationsCelerity FC-41XS Adapter Celerity FC-21PS Adapter Celerity selection guide Glossary Fibre Channel is a key technology for storageTerm Definition LED Specialized configurations Installing and updating driversWindows 2000/XP/Server 2003/Vista Creating a boot disk Adding a Celerity FC adapter to an existing installationClick on Install Driver Upgrading an existing Celerity FC driverLinux driver installation, update Mac OS X driver installation, updateCreating a Celerity FC installation floppy Creating a floppy disk from a downloadPage Installation Hardware installationSystem requirements Fibre Channel addressBracket details Page Adapter board details Exhibit 4-10 FC-41ES Exhibit 4-12 FC-42XS Exhibit 4-13 FC-41XS Exhibit 4-14 FC-21PS Updating hardware flash Launch the Configuration ToolUpdating flash in all operating systems Updating flash on a PCMac OS TroubleshootingGeneral suggestions Select Properties LinuxSelect Device Manager FCC standards radio and television interference Appendix a Standards and compliancesCanadian standards European standardsFollowing apply to the Celerity FC-42XS host adapter only Appendix B Accessories Appendix C Scsi adapter selection guide Ultra 320 Scsi Product Features12.5 Appendix D SAS adapter selection guide Product Features Atto ExpressSAS RAID Adapters R348 R380Safety Appendix E Safety, warranty, contactsAtto Technology, Inc. limited warranty Operation