director 2/64 installation guide

Glossary–10 director 2/64 installation guide
Glossary
initial program load
Process of initializing the device and causing the operating system to start. Initiated through a
menu in the Product Manager, this option performs a hardware reset on the active CTP2 only.
interface
Hardware, software, or both, linking systems, programs, or devices.
Internet protocol address
Unique string of numbers (in the format xxx.xxx.xxx.xxx) that identifies a device on a
network.
interoperability
Ability to communicate, execute programs or transfer data between various functional units
over a network.
interswitch link
Also known as ISL. Physical E_Port connection between two directors in a fabric.
IOCDS
A data set that contains an I/O configuration definition built by the IOCP.
IP address
See Internet protocol address.
IPL
See initial program load.
ISL
See interswitch link.
jumper cable
Optical cable that provides physical attachment between two devices or between a device and
a distribution panel.
Contrast with trunk cable.
latency
When used in reference to a Fibre Channel switching device, latency refers to the amount of
time elapsed between receipt of a data transmission at a switch’s incoming F_Port (from the
originating node port) to retransmission of that data at the switch’s outgoing F_Port (to the
destination N_Port). The amount of time it takes for data transmission to pass through a
switching device.
LIN
See link incident.
link
Physical connection between two devices on a switched fabric.