Technical data

200 Agilent Connectivity Guide
8 Glossary
across the street. A bridge examines each message on a LAN,
“passing” those known to be within the same LAN, and forwarding
those known to be on the other interconnected LAN (or LANs).
client
Part of the client/server model used in distributed computing. A
client is a computer system that requests services from a server
computer system, such as I/O application requests, networking
requests, etc.
Connection Expert (or Agilent Connection Expert)
An Agilent software utility that helps you quickly establish
connections between your instruments and your PC. It also helps you
troubleshoot connectivity problems. Connection Expert is part of the
Agilent IO Libraries Suite product.
controller
A computer used to communicate with a remote device such as an
instrument. In the communications between the controller and the
device, the controller is in charge of and controls the flow of
communication that is, it does the addressing and/or other bus
management).
device
A unit that receives commands from a controller. Typically a device
is an instrument but could also be a computer acting in a
non-controller role, or another peripheral such as a printer or plotter.
device driver
Software code that communicates with a device: for example, a
printer driver that communicates with a printer from a PC. A device
driver may either communicate directly with a device by reading to
and writing from registers, or it may communicate through an
interface driver.