Glossary

P3

The bottom backplane connector for a given module slot in a vertical D-size mainframe.

Query

A form of command that allows for inquiry to obtain status or data.

READY Indicator

A green LED indicator that lights when the power-on diagnostic routines have been completed successfully. An internal failure or failure of +5 V power will extinguish this indicator.

Register Based Device

A VXIbus device that supports VXI register maps, but not high level VXIbus communication protocols; includes devices that are register-based servant elements.

Requester

A functional module that resides on the same module as a Master or Interrupt Handler and requests use of the DTB whenever its Master or Interrupt Handler requires it.

Resource Manager

A VXIbus device that provides configuration management services such as address map configuration, determining system hierarchy, allocating shared system resources, performing system self test diagnostics, and initializing system commanders.

Self Calibration

A routine that verifies the basic calibration of the instrument module circuits, and adjusts this calibration to compensate for short- and long-term variables.

Self Test

A set of routines that determine if the instrument module circuits will perform according to a given set of standards. A self test routine is performed upon power-on.

Servant

A VXIbus message-based device that is controlled by a commander.

Server

A shared memory device that controls the shared memory buffers used in a given Shared Memory Protocol channel.

Shared Memory Protocol

A communications protocol that uses a block of memory that is accessible to both client and server. The memory block operates as a message buffer for communications.

Glossary±6

VX1410A & VX1420A IntelliFrame Mainframe Instruction Manual