HP StorageWorks 2.32 SAN Switch - Manual (Page 338)

Glossary–28 Web Tools Version 3.0.x/4.0.x User Guide
Glossary
RR_TOV
Resource Recovery Time-out Value. The minimum time a target device in a loop waits after a
LIP before logging out a SCSI initiator.
See also E_D_TOV, R_A_TOV.
RS-232 port
A port that conforms to a set of Electrical Industries Association (EIA) standards. Used to
connect DTE and DCE devices for communication between computers, terminals, and
modems.
See also DCE port, DTE port.
RSCN
Registered State Change Notification. A switch function that allows notification of fabric
changes to be sent from the switch to specified nodes.
RX_ID
Responder Exchange Identifier. A 2-byte field in the frame header used by the responder of the
Exchange to identify frames as being part of a particular exchange.
SAN
Storage Area Network. A network of systems and storage devices that communicate using
Fibre Channel protocols.
See also fabric.
SAN Switch
A switch whose main task is to connect nodes into the fabric.
See also core switch.
SCSI
Small Computer Systems Interface. A parallel bus architecture and protocol for transmitting
large data blocks to a distance of 15 - 25 meters.
SDRAM
Synchronous Dynamic Random Access Memory. The main memory for the switch. Used for
volatile storage during switch operation.
See also flash.
Sequence
A group of related frames transmitted in the same direction between two N_Ports.